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Diffstat (limited to 'assets')
| -rwxr-xr-x | assets/js/chart.js | 20840 |
1 files changed, 0 insertions, 20840 deletions
diff --git a/assets/js/chart.js b/assets/js/chart.js deleted file mode 100755 index c7c25bf..0000000 --- a/assets/js/chart.js +++ /dev/null @@ -1,20840 +0,0 @@ -/*! - * Chart.js v2.9.3 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = global || self, global.Chart = factory()); -}(this, (function () { - 'use strict'; - - var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; - - function commonjsRequire() { - throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs'); - } - - function createCommonjsModule(fn, module) { - return module = {exports: {}}, fn(module, module.exports), module.exports; - } - - function getCjsExportFromNamespace(n) { - return n && n['default'] || n; - } - - var colorName = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] - }; - - var conversions = createCommonjsModule(function (module) { - /* MIT license */ - - -// NOTE: conversions should only return primitive values (i.e. arrays, or -// values that give correct `typeof` results). -// do not use box values types (i.e. Number(), String(), etc.) - - var reverseKeywords = {}; - for (var key in colorName) { - if (colorName.hasOwnProperty(key)) { - reverseKeywords[colorName[key]] = key; - } - } - - var convert = module.exports = { - rgb: {channels: 3, labels: 'rgb'}, - hsl: {channels: 3, labels: 'hsl'}, - hsv: {channels: 3, labels: 'hsv'}, - hwb: {channels: 3, labels: 'hwb'}, - cmyk: {channels: 4, labels: 'cmyk'}, - xyz: {channels: 3, labels: 'xyz'}, - lab: {channels: 3, labels: 'lab'}, - lch: {channels: 3, labels: 'lch'}, - hex: {channels: 1, labels: ['hex']}, - keyword: {channels: 1, labels: ['keyword']}, - ansi16: {channels: 1, labels: ['ansi16']}, - ansi256: {channels: 1, labels: ['ansi256']}, - hcg: {channels: 3, labels: ['h', 'c', 'g']}, - apple: {channels: 3, labels: ['r16', 'g16', 'b16']}, - gray: {channels: 1, labels: ['gray']} - }; - -// hide .channels and .labels properties - for (var model in convert) { - if (convert.hasOwnProperty(model)) { - if (!('channels' in convert[model])) { - throw new Error('missing channels property: ' + model); - } - - if (!('labels' in convert[model])) { - throw new Error('missing channel labels property: ' + model); - } - - if (convert[model].labels.length !== convert[model].channels) { - throw new Error('channel and label counts mismatch: ' + model); - } - - var channels = convert[model].channels; - var labels = convert[model].labels; - delete convert[model].channels; - delete convert[model].labels; - Object.defineProperty(convert[model], 'channels', {value: channels}); - Object.defineProperty(convert[model], 'labels', {value: labels}); - } - } - - convert.rgb.hsl = function (rgb) { - var r = rgb[0] / 255; - var g = rgb[1] / 255; - var b = rgb[2] / 255; - var min = Math.min(r, g, b); - var max = Math.max(r, g, b); - var delta = max - min; - var h; - var s; - var l; - - if (max === min) { - h = 0; - } else if (r === max) { - h = (g - b) / delta; - } else if (g === max) { - h = 2 + (b - r) / delta; - } else if (b === max) { - h = 4 + (r - g) / delta; - } - - h = Math.min(h * 60, 360); - - if (h < 0) { - h += 360; - } - - l = (min + max) / 2; - - if (max === min) { - s = 0; - } else if (l <= 0.5) { - s = delta / (max + min); - } else { - s = delta / (2 - max - min); - } - - return [h, s * 100, l * 100]; - }; - - convert.rgb.hsv = function (rgb) { - var rdif; - var gdif; - var bdif; - var h; - var s; - - var r = rgb[0] / 255; - var g = rgb[1] / 255; - var b = rgb[2] / 255; - var v = Math.max(r, g, b); - var diff = v - Math.min(r, g, b); - var diffc = function (c) { - return (v - c) / 6 / diff + 1 / 2; - }; - - if (diff === 0) { - h = s = 0; - } else { - s = diff / v; - rdif = diffc(r); - gdif = diffc(g); - bdif = diffc(b); - - if (r === v) { - h = bdif - gdif; - } else if (g === v) { - h = (1 / 3) + rdif - bdif; - } else if (b === v) { - h = (2 / 3) + gdif - rdif; - } - if (h < 0) { - h += 1; - } else if (h > 1) { - h -= 1; - } - } - - return [ - h * 360, - s * 100, - v * 100 - ]; - }; - - convert.rgb.hwb = function (rgb) { - var r = rgb[0]; - var g = rgb[1]; - var b = rgb[2]; - var h = convert.rgb.hsl(rgb)[0]; - var w = 1 / 255 * Math.min(r, Math.min(g, b)); - - b = 1 - 1 / 255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; - }; - - convert.rgb.cmyk = function (rgb) { - var r = rgb[0] / 255; - var g = rgb[1] / 255; - var b = rgb[2] / 255; - var c; - var m; - var y; - var k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - - return [c * 100, m * 100, y * 100, k * 100]; - }; - - /** - * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance - * */ - function comparativeDistance(x, y) { - return ( - Math.pow(x[0] - y[0], 2) + - Math.pow(x[1] - y[1], 2) + - Math.pow(x[2] - y[2], 2) - ); - } - - convert.rgb.keyword = function (rgb) { - var reversed = reverseKeywords[rgb]; - if (reversed) { - return reversed; - } - - var currentClosestDistance = Infinity; - var currentClosestKeyword; - - for (var keyword in colorName) { - if (colorName.hasOwnProperty(keyword)) { - var value = colorName[keyword]; - - // Compute comparative distance - var distance = comparativeDistance(rgb, value); - - // Check if its less, if so set as closest - if (distance < currentClosestDistance) { - currentClosestDistance = distance; - currentClosestKeyword = keyword; - } - } - } - - return currentClosestKeyword; - }; - - convert.keyword.rgb = function (keyword) { - return colorName[keyword]; - }; - - convert.rgb.xyz = function (rgb) { - var r = rgb[0] / 255; - var g = rgb[1] / 255; - var b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y * 100, z * 100]; - }; - - convert.rgb.lab = function (rgb) { - var xyz = convert.rgb.xyz(rgb); - var x = xyz[0]; - var y = xyz[1]; - var z = xyz[2]; - var l; - var a; - var b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; - }; - - convert.hsl.rgb = function (hsl) { - var h = hsl[0] / 360; - var s = hsl[1] / 100; - var l = hsl[2] / 100; - var t1; - var t2; - var t3; - var rgb; - var val; - - if (s === 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) { - t2 = l * (1 + s); - } else { - t2 = l + s - l * s; - } - - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * -(i - 1); - if (t3 < 0) { - t3++; - } - if (t3 > 1) { - t3--; - } - - if (6 * t3 < 1) { - val = t1 + (t2 - t1) * 6 * t3; - } else if (2 * t3 < 1) { - val = t2; - } else if (3 * t3 < 2) { - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - } else { - val = t1; - } - - rgb[i] = val * 255; - } - - return rgb; - }; - - convert.hsl.hsv = function (hsl) { - var h = hsl[0]; - var s = hsl[1] / 100; - var l = hsl[2] / 100; - var smin = s; - var lmin = Math.max(l, 0.01); - var sv; - var v; - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - smin *= lmin <= 1 ? lmin : 2 - lmin; - v = (l + s) / 2; - sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s); - - return [h, sv * 100, v * 100]; - }; - - convert.hsv.rgb = function (hsv) { - var h = hsv[0] / 60; - var s = hsv[1] / 100; - var v = hsv[2] / 100; - var hi = Math.floor(h) % 6; - - var f = h - Math.floor(h); - var p = 255 * v * (1 - s); - var q = 255 * v * (1 - (s * f)); - var t = 255 * v * (1 - (s * (1 - f))); - v *= 255; - - switch (hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; - } - }; - - convert.hsv.hsl = function (hsv) { - var h = hsv[0]; - var s = hsv[1] / 100; - var v = hsv[2] / 100; - var vmin = Math.max(v, 0.01); - var lmin; - var sl; - var l; - - l = (2 - s) * v; - lmin = (2 - s) * vmin; - sl = s * vmin; - sl /= (lmin <= 1) ? lmin : 2 - lmin; - sl = sl || 0; - l /= 2; - - return [h, sl * 100, l * 100]; - }; - -// http://dev.w3.org/csswg/css-color/#hwb-to-rgb - convert.hwb.rgb = function (hwb) { - var h = hwb[0] / 360; - var wh = hwb[1] / 100; - var bl = hwb[2] / 100; - var ratio = wh + bl; - var i; - var v; - var f; - var n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - - if ((i & 0x01) !== 0) { - f = 1 - f; - } - - n = wh + f * (v - wh); // linear interpolation - - var r; - var g; - var b; - switch (i) { - default: - case 6: - case 0: - r = v; - g = n; - b = wh; - break; - case 1: - r = n; - g = v; - b = wh; - break; - case 2: - r = wh; - g = v; - b = n; - break; - case 3: - r = wh; - g = n; - b = v; - break; - case 4: - r = n; - g = wh; - b = v; - break; - case 5: - r = v; - g = wh; - b = n; - break; - } - - return [r * 255, g * 255, b * 255]; - }; - - convert.cmyk.rgb = function (cmyk) { - var c = cmyk[0] / 100; - var m = cmyk[1] / 100; - var y = cmyk[2] / 100; - var k = cmyk[3] / 100; - var r; - var g; - var b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - - return [r * 255, g * 255, b * 255]; - }; - - convert.xyz.rgb = function (xyz) { - var x = xyz[0] / 100; - var y = xyz[1] / 100; - var z = xyz[2] / 100; - var r; - var g; - var b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 - ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r * 12.92; - - g = g > 0.0031308 - ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g * 12.92; - - b = b > 0.0031308 - ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b * 12.92; - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; - }; - - convert.xyz.lab = function (xyz) { - var x = xyz[0]; - var y = xyz[1]; - var z = xyz[2]; - var l; - var a; - var b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; - }; - - convert.lab.xyz = function (lab) { - var l = lab[0]; - var a = lab[1]; - var b = lab[2]; - var x; - var y; - var z; - - y = (l + 16) / 116; - x = a / 500 + y; - z = y - b / 200; - - var y2 = Math.pow(y, 3); - var x2 = Math.pow(x, 3); - var z2 = Math.pow(z, 3); - y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787; - x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787; - z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787; - - x *= 95.047; - y *= 100; - z *= 108.883; - - return [x, y, z]; - }; - - convert.lab.lch = function (lab) { - var l = lab[0]; - var a = lab[1]; - var b = lab[2]; - var hr; - var h; - var c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - - if (h < 0) { - h += 360; - } - - c = Math.sqrt(a * a + b * b); - - return [l, c, h]; - }; - - convert.lch.lab = function (lch) { - var l = lch[0]; - var c = lch[1]; - var h = lch[2]; - var a; - var b; - var hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - - return [l, a, b]; - }; - - convert.rgb.ansi16 = function (args) { - var r = args[0]; - var g = args[1]; - var b = args[2]; - var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization - - value = Math.round(value / 50); - - if (value === 0) { - return 30; - } - - var ansi = 30 - + ((Math.round(b / 255) << 2) - | (Math.round(g / 255) << 1) - | Math.round(r / 255)); - - if (value === 2) { - ansi += 60; - } - - return ansi; - }; - - convert.hsv.ansi16 = function (args) { - // optimization here; we already know the value and don't need to get - // it converted for us. - return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]); - }; - - convert.rgb.ansi256 = function (args) { - var r = args[0]; - var g = args[1]; - var b = args[2]; - - // we use the extended greyscale palette here, with the exception of - // black and white. normal palette only has 4 greyscale shades. - if (r === g && g === b) { - if (r < 8) { - return 16; - } - - if (r > 248) { - return 231; - } - - return Math.round(((r - 8) / 247) * 24) + 232; - } - - var ansi = 16 - + (36 * Math.round(r / 255 * 5)) - + (6 * Math.round(g / 255 * 5)) - + Math.round(b / 255 * 5); - - return ansi; - }; - - convert.ansi16.rgb = function (args) { - var color = args % 10; - - // handle greyscale - if (color === 0 || color === 7) { - if (args > 50) { - color += 3.5; - } - - color = color / 10.5 * 255; - - return [color, color, color]; - } - - var mult = (~~(args > 50) + 1) * 0.5; - var r = ((color & 1) * mult) * 255; - var g = (((color >> 1) & 1) * mult) * 255; - var b = (((color >> 2) & 1) * mult) * 255; - - return [r, g, b]; - }; - - convert.ansi256.rgb = function (args) { - // handle greyscale - if (args >= 232) { - var c = (args - 232) * 10 + 8; - return [c, c, c]; - } - - args -= 16; - - var rem; - var r = Math.floor(args / 36) / 5 * 255; - var g = Math.floor((rem = args % 36) / 6) / 5 * 255; - var b = (rem % 6) / 5 * 255; - - return [r, g, b]; - }; - - convert.rgb.hex = function (args) { - var integer = ((Math.round(args[0]) & 0xFF) << 16) - + ((Math.round(args[1]) & 0xFF) << 8) - + (Math.round(args[2]) & 0xFF); - - var string = integer.toString(16).toUpperCase(); - return '000000'.substring(string.length) + string; - }; - - convert.hex.rgb = function (args) { - var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i); - if (!match) { - return [0, 0, 0]; - } - - var colorString = match[0]; - - if (match[0].length === 3) { - colorString = colorString.split('').map(function (char) { - return char + char; - }).join(''); - } - - var integer = parseInt(colorString, 16); - var r = (integer >> 16) & 0xFF; - var g = (integer >> 8) & 0xFF; - var b = integer & 0xFF; - - return [r, g, b]; - }; - - convert.rgb.hcg = function (rgb) { - var r = rgb[0] / 255; - var g = rgb[1] / 255; - var b = rgb[2] / 255; - var max = Math.max(Math.max(r, g), b); - var min = Math.min(Math.min(r, g), b); - var chroma = (max - min); - var grayscale; - var hue; - - if (chroma < 1) { - grayscale = min / (1 - chroma); - } else { - grayscale = 0; - } - - if (chroma <= 0) { - hue = 0; - } else if (max === r) { - hue = ((g - b) / chroma) % 6; - } else if (max === g) { - hue = 2 + (b - r) / chroma; - } else { - hue = 4 + (r - g) / chroma + 4; - } - - hue /= 6; - hue %= 1; - - return [hue * 360, chroma * 100, grayscale * 100]; - }; - - convert.hsl.hcg = function (hsl) { - var s = hsl[1] / 100; - var l = hsl[2] / 100; - var c = 1; - var f = 0; - - if (l < 0.5) { - c = 2.0 * s * l; - } else { - c = 2.0 * s * (1.0 - l); - } - - if (c < 1.0) { - f = (l - 0.5 * c) / (1.0 - c); - } - - return [hsl[0], c * 100, f * 100]; - }; - - convert.hsv.hcg = function (hsv) { - var s = hsv[1] / 100; - var v = hsv[2] / 100; - - var c = s * v; - var f = 0; - - if (c < 1.0) { - f = (v - c) / (1 - c); - } - - return [hsv[0], c * 100, f * 100]; - }; - - convert.hcg.rgb = function (hcg) { - var h = hcg[0] / 360; - var c = hcg[1] / 100; - var g = hcg[2] / 100; - - if (c === 0.0) { - return [g * 255, g * 255, g * 255]; - } - - var pure = [0, 0, 0]; - var hi = (h % 1) * 6; - var v = hi % 1; - var w = 1 - v; - var mg = 0; - - switch (Math.floor(hi)) { - case 0: - pure[0] = 1; - pure[1] = v; - pure[2] = 0; - break; - case 1: - pure[0] = w; - pure[1] = 1; - pure[2] = 0; - break; - case 2: - pure[0] = 0; - pure[1] = 1; - pure[2] = v; - break; - case 3: - pure[0] = 0; - pure[1] = w; - pure[2] = 1; - break; - case 4: - pure[0] = v; - pure[1] = 0; - pure[2] = 1; - break; - default: - pure[0] = 1; - pure[1] = 0; - pure[2] = w; - } - - mg = (1.0 - c) * g; - - return [ - (c * pure[0] + mg) * 255, - (c * pure[1] + mg) * 255, - (c * pure[2] + mg) * 255 - ]; - }; - - convert.hcg.hsv = function (hcg) { - var c = hcg[1] / 100; - var g = hcg[2] / 100; - - var v = c + g * (1.0 - c); - var f = 0; - - if (v > 0.0) { - f = c / v; - } - - return [hcg[0], f * 100, v * 100]; - }; - - convert.hcg.hsl = function (hcg) { - var c = hcg[1] / 100; - var g = hcg[2] / 100; - - var l = g * (1.0 - c) + 0.5 * c; - var s = 0; - - if (l > 0.0 && l < 0.5) { - s = c / (2 * l); - } else if (l >= 0.5 && l < 1.0) { - s = c / (2 * (1 - l)); - } - - return [hcg[0], s * 100, l * 100]; - }; - - convert.hcg.hwb = function (hcg) { - var c = hcg[1] / 100; - var g = hcg[2] / 100; - var v = c + g * (1.0 - c); - return [hcg[0], (v - c) * 100, (1 - v) * 100]; - }; - - convert.hwb.hcg = function (hwb) { - var w = hwb[1] / 100; - var b = hwb[2] / 100; - var v = 1 - b; - var c = v - w; - var g = 0; - - if (c < 1) { - g = (v - c) / (1 - c); - } - - return [hwb[0], c * 100, g * 100]; - }; - - convert.apple.rgb = function (apple) { - return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255]; - }; - - convert.rgb.apple = function (rgb) { - return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535]; - }; - - convert.gray.rgb = function (args) { - return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255]; - }; - - convert.gray.hsl = convert.gray.hsv = function (args) { - return [0, 0, args[0]]; - }; - - convert.gray.hwb = function (gray) { - return [0, 100, gray[0]]; - }; - - convert.gray.cmyk = function (gray) { - return [0, 0, 0, gray[0]]; - }; - - convert.gray.lab = function (gray) { - return [gray[0], 0, 0]; - }; - - convert.gray.hex = function (gray) { - var val = Math.round(gray[0] / 100 * 255) & 0xFF; - var integer = (val << 16) + (val << 8) + val; - - var string = integer.toString(16).toUpperCase(); - return '000000'.substring(string.length) + string; - }; - - convert.rgb.gray = function (rgb) { - var val = (rgb[0] + rgb[1] + rgb[2]) / 3; - return [val / 255 * 100]; - }; - }); - var conversions_1 = conversions.rgb; - var conversions_2 = conversions.hsl; - var conversions_3 = conversions.hsv; - var conversions_4 = conversions.hwb; - var conversions_5 = conversions.cmyk; - var conversions_6 = conversions.xyz; - var conversions_7 = conversions.lab; - var conversions_8 = conversions.lch; - var conversions_9 = conversions.hex; - var conversions_10 = conversions.keyword; - var conversions_11 = conversions.ansi16; - var conversions_12 = conversions.ansi256; - var conversions_13 = conversions.hcg; - var conversions_14 = conversions.apple; - var conversions_15 = conversions.gray; - - /* - this function routes a model to all other models. - - all functions that are routed have a property `.conversion` attached - to the returned synthetic function. This property is an array - of strings, each with the steps in between the 'from' and 'to' - color models (inclusive). - - conversions that are not possible simply are not included. -*/ - - function buildGraph() { - var graph = {}; - // https://jsperf.com/object-keys-vs-for-in-with-closure/3 - var models = Object.keys(conversions); - - for (var len = models.length, i = 0; i < len; i++) { - graph[models[i]] = { - // http://jsperf.com/1-vs-infinity - // micro-opt, but this is simple. - distance: -1, - parent: null - }; - } - - return graph; - } - -// https://en.wikipedia.org/wiki/Breadth-first_search - function deriveBFS(fromModel) { - var graph = buildGraph(); - var queue = [fromModel]; // unshift -> queue -> pop - - graph[fromModel].distance = 0; - - while (queue.length) { - var current = queue.pop(); - var adjacents = Object.keys(conversions[current]); - - for (var len = adjacents.length, i = 0; i < len; i++) { - var adjacent = adjacents[i]; - var node = graph[adjacent]; - - if (node.distance === -1) { - node.distance = graph[current].distance + 1; - node.parent = current; - queue.unshift(adjacent); - } - } - } - - return graph; - } - - function link(from, to) { - return function (args) { - return to(from(args)); - }; - } - - function wrapConversion(toModel, graph) { - var path = [graph[toModel].parent, toModel]; - var fn = conversions[graph[toModel].parent][toModel]; - - var cur = graph[toModel].parent; - while (graph[cur].parent) { - path.unshift(graph[cur].parent); - fn = link(conversions[graph[cur].parent][cur], fn); - cur = graph[cur].parent; - } - - fn.conversion = path; - return fn; - } - - var route = function (fromModel) { - var graph = deriveBFS(fromModel); - var conversion = {}; - - var models = Object.keys(graph); - for (var len = models.length, i = 0; i < len; i++) { - var toModel = models[i]; - var node = graph[toModel]; - - if (node.parent === null) { - // no possible conversion, or this node is the source model. - continue; - } - - conversion[toModel] = wrapConversion(toModel, graph); - } - - return conversion; - }; - - var convert = {}; - - var models = Object.keys(conversions); - - function wrapRaw(fn) { - var wrappedFn = function (args) { - if (args === undefined || args === null) { - return args; - } - - if (arguments.length > 1) { - args = Array.prototype.slice.call(arguments); - } - - return fn(args); - }; - - // preserve .conversion property if there is one - if ('conversion' in fn) { - wrappedFn.conversion = fn.conversion; - } - - return wrappedFn; - } - - function wrapRounded(fn) { - var wrappedFn = function (args) { - if (args === undefined || args === null) { - return args; - } - - if (arguments.length > 1) { - args = Array.prototype.slice.call(arguments); - } - - var result = fn(args); - - // we're assuming the result is an array here. - // see notice in conversions.js; don't use box types - // in conversion functions. - if (typeof result === 'object') { - for (var len = result.length, i = 0; i < len; i++) { - result[i] = Math.round(result[i]); - } - } - - return result; - }; - - // preserve .conversion property if there is one - if ('conversion' in fn) { - wrappedFn.conversion = fn.conversion; - } - - return wrappedFn; - } - - models.forEach(function (fromModel) { - convert[fromModel] = {}; - - Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels}); - Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels}); - - var routes = route(fromModel); - var routeModels = Object.keys(routes); - - routeModels.forEach(function (toModel) { - var fn = routes[toModel]; - - convert[fromModel][toModel] = wrapRounded(fn); - convert[fromModel][toModel].raw = wrapRaw(fn); - }); - }); - - var colorConvert = convert; - - var colorName$1 = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] - }; - - /* MIT license */ - - - var colorString = { - getRgba: getRgba, - getHsla: getHsla, - getRgb: getRgb, - getHsl: getHsl, - getHwb: getHwb, - getAlpha: getAlpha, - - hexString: hexString, - rgbString: rgbString, - rgbaString: rgbaString, - percentString: percentString, - percentaString: percentaString, - hslString: hslString, - hslaString: hslaString, - hwbString: hwbString, - keyword: keyword - }; - - function getRgba(string) { - if (!string) { - return; - } - var abbr = /^#([a-fA-F0-9]{3,4})$/i, - hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, - rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - keyword = /(\w+)/; - - var rgb = [0, 0, 0], - a = 1, - match = string.match(abbr), - hexAlpha = ""; - if (match) { - match = match[1]; - hexAlpha = match[3]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i] + match[i], 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; - } - } else if (match = string.match(hex)) { - hexAlpha = match[2]; - match = match[1]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; - } - } else if (match = string.match(rgba)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i + 1]); - } - a = parseFloat(match[4]); - } else if (match = string.match(per)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); - } - a = parseFloat(match[4]); - } else if (match = string.match(keyword)) { - if (match[1] == "transparent") { - return [0, 0, 0, 0]; - } - rgb = colorName$1[match[1]]; - if (!rgb) { - return; - } - } - - for (var i = 0; i < rgb.length; i++) { - rgb[i] = scale(rgb[i], 0, 255); - } - if (!a && a != 0) { - a = 1; - } else { - a = scale(a, 0, 1); - } - rgb[3] = a; - return rgb; - } - - function getHsla(string) { - if (!string) { - return; - } - var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hsl); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - s = scale(parseFloat(match[2]), 0, 100), - l = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, s, l, a]; - } - } - - function getHwb(string) { - if (!string) { - return; - } - var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hwb); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - w = scale(parseFloat(match[2]), 0, 100), - b = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, w, b, a]; - } - } - - function getRgb(string) { - var rgba = getRgba(string); - return rgba && rgba.slice(0, 3); - } - - function getHsl(string) { - var hsla = getHsla(string); - return hsla && hsla.slice(0, 3); - } - - function getAlpha(string) { - var vals = getRgba(string); - if (vals) { - return vals[3]; - } else if (vals = getHsla(string)) { - return vals[3]; - } else if (vals = getHwb(string)) { - return vals[3]; - } - } - -// generators - function hexString(rgba, a) { - var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; - return "#" + hexDouble(rgba[0]) - + hexDouble(rgba[1]) - + hexDouble(rgba[2]) - + ( - (a >= 0 && a < 1) - ? hexDouble(Math.round(a * 255)) - : "" - ); - } - - function rgbString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return rgbaString(rgba, alpha); - } - return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; - } - - function rgbaString(rgba, alpha) { - if (alpha === undefined) { - alpha = (rgba[3] !== undefined ? rgba[3] : 1); - } - return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] - + ", " + alpha + ")"; - } - - function percentString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return percentaString(rgba, alpha); - } - var r = Math.round(rgba[0] / 255 * 100), - g = Math.round(rgba[1] / 255 * 100), - b = Math.round(rgba[2] / 255 * 100); - - return "rgb(" + r + "%, " + g + "%, " + b + "%)"; - } - - function percentaString(rgba, alpha) { - var r = Math.round(rgba[0] / 255 * 100), - g = Math.round(rgba[1] / 255 * 100), - b = Math.round(rgba[2] / 255 * 100); - return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; - } - - function hslString(hsla, alpha) { - if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { - return hslaString(hsla, alpha); - } - return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; - } - - function hslaString(hsla, alpha) { - if (alpha === undefined) { - alpha = (hsla[3] !== undefined ? hsla[3] : 1); - } - return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " - + alpha + ")"; - } - -// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax -// (hwb have alpha optional & 1 is default value) - function hwbString(hwb, alpha) { - if (alpha === undefined) { - alpha = (hwb[3] !== undefined ? hwb[3] : 1); - } - return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" - + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; - } - - function keyword(rgb) { - return reverseNames[rgb.slice(0, 3)]; - } - -// helpers - function scale(num, min, max) { - return Math.min(Math.max(min, num), max); - } - - function hexDouble(num) { - var str = num.toString(16).toUpperCase(); - return (str.length < 2) ? "0" + str : str; - } - - -//create a list of reverse color names - var reverseNames = {}; - for (var name in colorName$1) { - reverseNames[colorName$1[name]] = name; - } - - /* MIT license */ - - - var Color = function (obj) { - if (obj instanceof Color) { - return obj; - } - if (!(this instanceof Color)) { - return new Color(obj); - } - - this.valid = false; - this.values = { - rgb: [0, 0, 0], - hsl: [0, 0, 0], - hsv: [0, 0, 0], - hwb: [0, 0, 0], - cmyk: [0, 0, 0, 0], - alpha: 1 - }; - - // parse Color() argument - var vals; - if (typeof obj === 'string') { - vals = colorString.getRgba(obj); - if (vals) { - this.setValues('rgb', vals); - } else if (vals = colorString.getHsla(obj)) { - this.setValues('hsl', vals); - } else if (vals = colorString.getHwb(obj)) { - this.setValues('hwb', vals); - } - } else if (typeof obj === 'object') { - vals = obj; - if (vals.r !== undefined || vals.red !== undefined) { - this.setValues('rgb', vals); - } else if (vals.l !== undefined || vals.lightness !== undefined) { - this.setValues('hsl', vals); - } else if (vals.v !== undefined || vals.value !== undefined) { - this.setValues('hsv', vals); - } else if (vals.w !== undefined || vals.whiteness !== undefined) { - this.setValues('hwb', vals); - } else if (vals.c !== undefined || vals.cyan !== undefined) { - this.setValues('cmyk', vals); - } - } - }; - - Color.prototype = { - isValid: function () { - return this.valid; - }, - rgb: function () { - return this.setSpace('rgb', arguments); - }, - hsl: function () { - return this.setSpace('hsl', arguments); - }, - hsv: function () { - return this.setSpace('hsv', arguments); - }, - hwb: function () { - return this.setSpace('hwb', arguments); - }, - cmyk: function () { - return this.setSpace('cmyk', arguments); - }, - - rgbArray: function () { - return this.values.rgb; - }, - hslArray: function () { - return this.values.hsl; - }, - hsvArray: function () { - return this.values.hsv; - }, - hwbArray: function () { - var values = this.values; - if (values.alpha !== 1) { - return values.hwb.concat([values.alpha]); - } - return values.hwb; - }, - cmykArray: function () { - return this.values.cmyk; - }, - rgbaArray: function () { - var values = this.values; - return values.rgb.concat([values.alpha]); - }, - hslaArray: function () { - var values = this.values; - return values.hsl.concat([values.alpha]); - }, - alpha: function (val) { - if (val === undefined) { - return this.values.alpha; - } - this.setValues('alpha', val); - return this; - }, - - red: function (val) { - return this.setChannel('rgb', 0, val); - }, - green: function (val) { - return this.setChannel('rgb', 1, val); - }, - blue: function (val) { - return this.setChannel('rgb', 2, val); - }, - hue: function (val) { - if (val) { - val %= 360; - val = val < 0 ? 360 + val : val; - } - return this.setChannel('hsl', 0, val); - }, - saturation: function (val) { - return this.setChannel('hsl', 1, val); - }, - lightness: function (val) { - return this.setChannel('hsl', 2, val); - }, - saturationv: function (val) { - return this.setChannel('hsv', 1, val); - }, - whiteness: function (val) { - return this.setChannel('hwb', 1, val); - }, - blackness: function (val) { - return this.setChannel('hwb', 2, val); - }, - value: function (val) { - return this.setChannel('hsv', 2, val); - }, - cyan: function (val) { - return this.setChannel('cmyk', 0, val); - }, - magenta: function (val) { - return this.setChannel('cmyk', 1, val); - }, - yellow: function (val) { - return this.setChannel('cmyk', 2, val); - }, - black: function (val) { - return this.setChannel('cmyk', 3, val); - }, - - hexString: function () { - return colorString.hexString(this.values.rgb); - }, - rgbString: function () { - return colorString.rgbString(this.values.rgb, this.values.alpha); - }, - rgbaString: function () { - return colorString.rgbaString(this.values.rgb, this.values.alpha); - }, - percentString: function () { - return colorString.percentString(this.values.rgb, this.values.alpha); - }, - hslString: function () { - return colorString.hslString(this.values.hsl, this.values.alpha); - }, - hslaString: function () { - return colorString.hslaString(this.values.hsl, this.values.alpha); - }, - hwbString: function () { - return colorString.hwbString(this.values.hwb, this.values.alpha); - }, - keyword: function () { - return colorString.keyword(this.values.rgb, this.values.alpha); - }, - - rgbNumber: function () { - var rgb = this.values.rgb; - return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; - }, - - luminosity: function () { - // http://www.w3.org/TR/WCAG20/#relativeluminancedef - var rgb = this.values.rgb; - var lum = []; - for (var i = 0; i < rgb.length; i++) { - var chan = rgb[i] / 255; - lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); - } - return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; - }, - - contrast: function (color2) { - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - var lum1 = this.luminosity(); - var lum2 = color2.luminosity(); - if (lum1 > lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } - }; - - Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] - }; - - Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] - }; - - Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; - }; - - Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { - return false; - } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = colorConvert[space][sname](values[space]); - } - } - - return true; - }; - - Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; - }; - - Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; - }; - - if (typeof window !== 'undefined') { - window.Color = Color; - } - - var chartjsColor = Color; - - /** - * @namespace Chart.helpers - */ - var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function () { - }, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {number} - * @function - */ - uid: (function () { - var id = 0; - return function () { - return id++; - }; - }()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isNullOrUndef: function (value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array (including typed arrays), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @function - */ - isArray: function (value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - var type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isObject: function (value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns true if `value` is a finite number, else returns false - * @param {*} value - The value to test. - * @returns {boolean} - */ - isFinite: function (value) { - return (typeof value === 'number' || value instanceof Number) && isFinite(value); - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function (value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function (value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function (fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {object|Array} loopable - The object or array to be iterated. - * @param {function} fn - The function to call for each item. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function (loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see https://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {boolean} - */ - arrayEquals: function (a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function (source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. - * @private - */ - _merger: function (key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function (key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @param {object} [options] - Merging options: - * @param {function} [options.merger] - The merge method (key, target, source, options) - * @returns {object} The `target` object. - */ - merge: function (target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @returns {object} The `target` object. - */ - mergeIf: function (target, source) { - return helpers.merge(target, source, {merger: helpers._mergerIf}); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {object} target - The target object in which all objects are merged into. - * @param {object} arg1 - Object containing additional properties to merge in target. - * @param {object} argN - Additional objects containing properties to merge in target. - * @returns {object} The `target` object. - */ - extend: Object.assign || function (target) { - return helpers.merge(target, [].slice.call(arguments, 1), { - merger: function (key, dst, src) { - dst[key] = src[key]; - } - }); - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function (extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function () { - return me.apply(this, arguments); - }; - - var Surrogate = function () { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - }, - - _deprecated: function (scope, value, previous, current) { - if (value !== undefined) { - console.warn(scope + ': "' + previous + - '" is deprecated. Please use "' + current + '" instead'); - } - } - }; - - var helpers_core = helpers; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - helpers.callCallback = helpers.callback; - - /** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.indexOf = function (array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); - }; - - /** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.getValueOrDefault = helpers.valueOrDefault; - - /** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - - /** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ - var effects = { - linear: function (t) { - return t; - }, - - easeInQuad: function (t) { - return t * t; - }, - - easeOutQuad: function (t) { - return -t * (t - 2); - }, - - easeInOutQuad: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function (t) { - return t * t * t; - }, - - easeOutCubic: function (t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function (t) { - return t * t * t * t; - }, - - easeOutQuart: function (t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function (t) { - return t * t * t * t * t; - }, - - easeOutQuint: function (t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function (t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function (t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function (t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function (t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function (t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function (t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function (t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function (t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function (t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function (t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function (t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function (t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function (t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function (t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function (t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } - }; - - var helpers_easing = { - effects: effects - }; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers_core.easingEffects = effects; - - var PI = Math.PI; - var RAD_PER_DEG = PI / 180; - var DOUBLE_PI = PI * 2; - var HALF_PI = PI / 2; - var QUARTER_PI = PI / 4; - var TWO_THIRDS_PI = PI * 2 / 3; - - /** - * @namespace Chart.helpers.canvas - */ - var exports$1 = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function (chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {number} x - The x axis of the coordinate for the rectangle starting point. - * @param {number} y - The y axis of the coordinate for the rectangle starting point. - * @param {number} width - The rectangle's width. - * @param {number} height - The rectangle's height. - * @param {number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function (ctx, x, y, width, height, radius) { - if (radius) { - var r = Math.min(radius, height / 2, width / 2); - var left = x + r; - var top = y + r; - var right = x + width - r; - var bottom = y + height - r; - - ctx.moveTo(x, top); - if (left < right && top < bottom) { - ctx.arc(left, top, r, -PI, -HALF_PI); - ctx.arc(right, top, r, -HALF_PI, 0); - ctx.arc(right, bottom, r, 0, HALF_PI); - ctx.arc(left, bottom, r, HALF_PI, PI); - } else if (left < right) { - ctx.moveTo(left, y); - ctx.arc(right, top, r, -HALF_PI, HALF_PI); - ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); - } else if (top < bottom) { - ctx.arc(left, top, r, -PI, 0); - ctx.arc(left, bottom, r, 0, PI); - } else { - ctx.arc(left, top, r, -PI, PI); - } - ctx.closePath(); - ctx.moveTo(x, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function (ctx, style, radius, x, y, rotation) { - var type, xOffset, yOffset, size, cornerRadius; - var rad = (rotation || 0) * RAD_PER_DEG; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.save(); - ctx.translate(x, y); - ctx.rotate(rad); - ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); - ctx.restore(); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - ctx.beginPath(); - - switch (style) { - // Default includes circle - default: - ctx.arc(x, y, radius, 0, DOUBLE_PI); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - // NOTE: the rounded rect implementation changed to use `arc` instead of - // `quadraticCurveTo` since it generates better results when rect is - // almost a circle. 0.516 (instead of 0.5) produces results with visually - // closer proportion to the previous impl and it is inscribed in the - // circle with `radius`. For more details, see the following PRs: - // https://github.com/chartjs/Chart.js/issues/5597 - // https://github.com/chartjs/Chart.js/issues/5858 - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - /* falls through */ - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - /* falls through */ - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - - ctx.fill(); - ctx.stroke(); - }, - - /** - * Returns true if the point is inside the rectangle - * @param {object} point - The point to test - * @param {object} area - The rectangle - * @returns {boolean} - * @private - */ - _isPointInArea: function (point, area) { - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - - return point.x > area.left - epsilon && point.x < area.right + epsilon && - point.y > area.top - epsilon && point.y < area.bottom + epsilon; - }, - - clipArea: function (ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function (ctx) { - ctx.restore(); - }, - - lineTo: function (ctx, previous, target, flip) { - var stepped = target.steppedLine; - if (stepped) { - if (stepped === 'middle') { - var midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, flip ? target.y : previous.y); - ctx.lineTo(midpoint, flip ? previous.y : target.y); - } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } - }; - - var helpers_canvas = exports$1; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers_core.clear = exports$1.clear; - - /** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers_core.drawRoundedRectangle = function (ctx) { - ctx.beginPath(); - exports$1.roundedRect.apply(exports$1, arguments); - }; - - var defaults = { - /** - * @private - */ - _set: function (scope, values) { - return helpers_core.merge(this[scope] || (this[scope] = {}), values); - } - }; - -// TODO(v3): remove 'global' from namespace. all default are global and -// there's inconsistency around which options are under 'global' - defaults._set('global', { - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - defaultLineHeight: 1.2, - showLines: true - }); - - var core_defaults = defaults; - - var valueOrDefault = helpers_core.valueOrDefault; - - /** - * Converts the given font object into a CSS font string. - * @param {object} font - A font object. - * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font - * @private - */ - function toFontString(font) { - if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { - return null; - } - - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; - } - - /** - * @alias Chart.helpers.options - * @namespace - */ - var helpers_options = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function (value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {number|object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function (value) { - var t, r, b, l; - - if (helpers_core.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Parses font options and returns the font object. - * @param {object} options - A object that contains font options to be parsed. - * @return {object} The font object. - * @todo Support font.* options and renamed to toFont(). - * @private - */ - _parseFont: function (options) { - var globalDefaults = core_defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var font = { - family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), - lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), - size: size, - style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), - weight: null, - string: '' - }; - - font.string = toFontString(font); - return font; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array} inputs - An array of values, falling back to the last value. - * @param {object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @param {object} [info] - object to return information about resolution in - * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable. - * @since 2.7.0 - */ - resolve: function (inputs, context, index, info) { - var cacheable = true; - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - cacheable = false; - } - if (index !== undefined && helpers_core.isArray(value)) { - value = value[index]; - cacheable = false; - } - if (value !== undefined) { - if (info && !cacheable) { - info.cacheable = false; - } - return value; - } - } - } - }; - - /** - * @alias Chart.helpers.math - * @namespace - */ - var exports$2 = { - /** - * Returns an array of factors sorted from 1 to sqrt(value) - * @private - */ - _factorize: function (value) { - var result = []; - var sqrt = Math.sqrt(value); - var i; - - for (i = 1; i < sqrt; i++) { - if (value % i === 0) { - result.push(i); - result.push(value / i); - } - } - if (sqrt === (sqrt | 0)) { // if value is a square number - result.push(sqrt); - } - - result.sort(function (a, b) { - return a - b; - }).pop(); - return result; - }, - - log10: Math.log10 || function (x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - } - }; - - var helpers_math = exports$2; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.math.log10 instead. - * @namespace Chart.helpers.log10 - * @deprecated since version 2.9.0 - * @todo remove at version 3 - * @private - */ - helpers_core.log10 = exports$2.log10; - - var getRtlAdapter = function (rectX, width) { - return { - x: function (x) { - return rectX + rectX + width - x; - }, - setWidth: function (w) { - width = w; - }, - textAlign: function (align) { - if (align === 'center') { - return align; - } - return align === 'right' ? 'left' : 'right'; - }, - xPlus: function (x, value) { - return x - value; - }, - leftForLtr: function (x, itemWidth) { - return x - itemWidth; - }, - }; - }; - - var getLtrAdapter = function () { - return { - x: function (x) { - return x; - }, - setWidth: function (w) { // eslint-disable-line no-unused-vars - }, - textAlign: function (align) { - return align; - }, - xPlus: function (x, value) { - return x + value; - }, - leftForLtr: function (x, _itemWidth) { // eslint-disable-line no-unused-vars - return x; - }, - }; - }; - - var getAdapter = function (rtl, rectX, width) { - return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter(); - }; - - var overrideTextDirection = function (ctx, direction) { - var style, original; - if (direction === 'ltr' || direction === 'rtl') { - style = ctx.canvas.style; - original = [ - style.getPropertyValue('direction'), - style.getPropertyPriority('direction'), - ]; - - style.setProperty('direction', direction, 'important'); - ctx.prevTextDirection = original; - } - }; - - var restoreTextDirection = function (ctx) { - var original = ctx.prevTextDirection; - if (original !== undefined) { - delete ctx.prevTextDirection; - ctx.canvas.style.setProperty('direction', original[0], original[1]); - } - }; - - var helpers_rtl = { - getRtlAdapter: getAdapter, - overrideTextDirection: overrideTextDirection, - restoreTextDirection: restoreTextDirection, - }; - - var helpers$1 = helpers_core; - var easing = helpers_easing; - var canvas = helpers_canvas; - var options = helpers_options; - var math = helpers_math; - var rtl = helpers_rtl; - helpers$1.easing = easing; - helpers$1.canvas = canvas; - helpers$1.options = options; - helpers$1.math = math; - helpers$1.rtl = rtl; - - function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = chartjsColor(origin); - if (c0.valid) { - c1 = chartjsColor(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } - } - - var Element = function (configuration) { - helpers$1.extend(this, configuration); - this.initialize.apply(this, arguments); - }; - - helpers$1.extend(Element.prototype, { - _type: undefined, - - initialize: function () { - this.hidden = false; - }, - - pivot: function () { - var me = this; - if (!me._view) { - me._view = helpers$1.extend({}, me._model); - } - me._start = {}; - return me; - }, - - transition: function (ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = helpers$1.extend({}, model); - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function () { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function () { - return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); - } - }); - - Element.extend = helpers$1.inherits; - - var core_element = Element; - - var exports$3 = core_element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes - }); - - var core_animation = exports$3; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ - Object.defineProperty(exports$3.prototype, 'animationObject', { - get: function () { - return this; - } - }); - - /** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ - Object.defineProperty(exports$3.prototype, 'chartInstance', { - get: function () { - return this.chart; - }, - set: function (value) { - this.chart = value; - } - }); - - core_defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers$1.noop, - onComplete: helpers$1.noop - } - }); - - var core_animations = { - animations: [], - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {number} duration - The animation duration in ms. - * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function (chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - animation.startTime = Date.now(); - animation.duration = duration; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function (chart) { - var index = helpers$1.findIndex(this.animations, function (animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function () { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers$1.requestAnimFrame.call(window, function () { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function () { - var me = this; - - me.advance(); - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function () { - var animations = this.animations; - var animation, chart, numSteps, nextStep; - var i = 0; - - // 1 animation per chart, so we are looping charts here - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - numSteps = animation.numSteps; - - // Make sure that currentStep starts at 1 - // https://github.com/chartjs/Chart.js/issues/6104 - nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; - animation.currentStep = Math.min(nextStep, numSteps); - - helpers$1.callback(animation.render, [chart, animation], chart); - helpers$1.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= numSteps) { - helpers$1.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } - }; - - var resolve = helpers$1.options.resolve; - - var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - - /** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ - function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function (key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function () { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers$1.each(array._chartjs.listeners, function (object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); - } - - /** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ - function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function (key) { - delete array[key]; - }); - - delete array._chartjs; - } - -// Base class for all dataset controllers (line, bar, etc) - var DatasetController = function (chart, datasetIndex) { - this.initialize(chart, datasetIndex); - }; - - helpers$1.extend(DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - /** - * Dataset element option keys to be resolved in _resolveDatasetElementOptions. - * A derived controller may override this to resolve controller-specific options. - * The keys defined here are for backward compatibility for legend styles. - * @private - */ - _datasetElementOptions: [ - 'backgroundColor', - 'borderCapStyle', - 'borderColor', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'borderWidth' - ], - - /** - * Data element option keys to be resolved in _resolveDataElementOptions. - * A derived controller may override this to resolve controller-specific options. - * The keys defined here are for backward compatibility for legend styles. - * @private - */ - _dataElementOptions: [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'pointStyle' - ], - - initialize: function (chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - me._type = me.getMeta().type; - }, - - updateIndex: function (datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function () { - var me = this; - var meta = me.getMeta(); - var chart = me.chart; - var scales = chart.scales; - var dataset = me.getDataset(); - var scalesOpts = chart.options.scales; - - if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) { - meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) { - meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id; - } - }, - - getDataset: function () { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function () { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function (scaleID) { - return this.chart.scales[scaleID]; - }, - - /** - * @private - */ - _getValueScaleId: function () { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function () { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getValueScale: function () { - return this.getScaleForId(this._getValueScaleId()); - }, - - /** - * @private - */ - _getIndexScale: function () { - return this.getScaleForId(this._getIndexScaleId()); - }, - - reset: function () { - this._update(true); - }, - - /** - * @private - */ - destroy: function () { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function () { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function (index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function () { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function (index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function () { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - /** - * Returns the merged user-supplied and default dataset-level options - * @private - */ - _configure: function () { - var me = this; - me._config = helpers$1.merge({}, [ - me.chart.options.datasets[me._type], - me.getDataset(), - ], { - merger: function (key, target, source) { - if (key !== '_meta' && key !== 'data') { - helpers$1._merger(key, target, source); - } - } - }); - }, - - _update: function (reset) { - var me = this; - me._configure(); - me._cachedDataOpts = null; - me.update(reset); - }, - - update: helpers$1.noop, - - transition: function (easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function () { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - /** - * Returns a set of predefined style properties that should be used to represent the dataset - * or the data if the index is specified - * @param {number} index - data index - * @return {IStyleInterface} style object - */ - getStyle: function (index) { - var me = this; - var meta = me.getMeta(); - var dataset = meta.dataset; - var style; - - me._configure(); - if (dataset && index === undefined) { - style = me._resolveDatasetElementOptions(dataset || {}); - } else { - index = index || 0; - style = me._resolveDataElementOptions(meta.data[index] || {}, index); - } - - if (style.fill === false || style.fill === null) { - style.backgroundColor = style.borderColor; - } - - return style; - }, - - /** - * @private - */ - _resolveDatasetElementOptions: function (element, hover) { - var me = this; - var chart = me.chart; - var datasetOpts = me._config; - var custom = element.custom || {}; - var options = chart.options.elements[me.datasetElementType.prototype._type] || {}; - var elementOptions = me._datasetElementOptions; - var values = {}; - var i, ilen, key, readKey; - - // Scriptable options - var context = { - chart: chart, - dataset: me.getDataset(), - datasetIndex: me.index, - hover: hover - }; - - for (i = 0, ilen = elementOptions.length; i < ilen; ++i) { - key = elementOptions[i]; - readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key; - values[key] = resolve([ - custom[readKey], - datasetOpts[readKey], - options[readKey] - ], context); - } - - return values; - }, - - /** - * @private - */ - _resolveDataElementOptions: function (element, index) { - var me = this; - var custom = element && element.custom; - var cached = me._cachedDataOpts; - if (cached && !custom) { - return cached; - } - var chart = me.chart; - var datasetOpts = me._config; - var options = chart.options.elements[me.dataElementType.prototype._type] || {}; - var elementOptions = me._dataElementOptions; - var values = {}; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: me.getDataset(), - datasetIndex: me.index - }; - - // `resolve` sets cacheable to `false` if any option is indexed or scripted - var info = {cacheable: !custom}; - - var keys, i, ilen, key; - - custom = custom || {}; - - if (helpers$1.isArray(elementOptions)) { - for (i = 0, ilen = elementOptions.length; i < ilen; ++i) { - key = elementOptions[i]; - values[key] = resolve([ - custom[key], - datasetOpts[key], - options[key] - ], context, index, info); - } - } else { - keys = Object.keys(elementOptions); - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve([ - custom[key], - datasetOpts[elementOptions[key]], - datasetOpts[key], - options[key] - ], context, index, info); - } - } - - if (info.cacheable) { - me._cachedDataOpts = Object.freeze(values); - } - - return values; - }, - - removeHoverStyle: function (element) { - helpers$1.merge(element._model, element.$previousStyle || {}); - delete element.$previousStyle; - }, - - setHoverStyle: function (element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var model = element._model; - var getHoverColor = helpers$1.getHoverColor; - - element.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth - }; - - model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); - model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); - model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); - }, - - /** - * @private - */ - _removeDatasetHoverStyle: function () { - var element = this.getMeta().dataset; - - if (element) { - this.removeHoverStyle(element); - } - }, - - /** - * @private - */ - _setDatasetHoverStyle: function () { - var element = this.getMeta().dataset; - var prev = {}; - var i, ilen, key, keys, hoverOptions, model; - - if (!element) { - return; - } - - model = element._model; - hoverOptions = this._resolveDatasetElementOptions(element, true); - - keys = Object.keys(hoverOptions); - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - prev[key] = model[key]; - model[key] = hoverOptions[key]; - } - - element.$previousStyle = prev; - }, - - /** - * @private - */ - resyncElements: function () { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function (start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function () { - var count = arguments.length; - this.insertElements(this.getDataset().data.length - count, count); - }, - - /** - * @private - */ - onDataPop: function () { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function () { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function (start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function () { - this.insertElements(0, arguments.length); - } - }); - - DatasetController.extend = helpers$1.inherits; - - var core_datasetController = DatasetController; - - var TAU = Math.PI * 2; - - core_defaults._set('global', { - elements: { - arc: { - backgroundColor: core_defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2, - borderAlign: 'center' - } - } - }); - - function clipArc(ctx, arc) { - var startAngle = arc.startAngle; - var endAngle = arc.endAngle; - var pixelMargin = arc.pixelMargin; - var angleMargin = pixelMargin / arc.outerRadius; - var x = arc.x; - var y = arc.y; - - // Draw an inner border by cliping the arc and drawing a double-width border - // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders - ctx.beginPath(); - ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin); - if (arc.innerRadius > pixelMargin) { - angleMargin = pixelMargin / arc.innerRadius; - ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true); - } else { - ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2); - } - ctx.closePath(); - ctx.clip(); - } - - function drawFullCircleBorders(ctx, vm, arc, inner) { - var endAngle = arc.endAngle; - var i; - - if (inner) { - arc.endAngle = arc.startAngle + TAU; - clipArc(ctx, arc); - arc.endAngle = endAngle; - if (arc.endAngle === arc.startAngle && arc.fullCircles) { - arc.endAngle += TAU; - arc.fullCircles--; - } - } - - ctx.beginPath(); - ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true); - for (i = 0; i < arc.fullCircles; ++i) { - ctx.stroke(); - } - - ctx.beginPath(); - ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU); - for (i = 0; i < arc.fullCircles; ++i) { - ctx.stroke(); - } - } - - function drawBorder(ctx, vm, arc) { - var inner = vm.borderAlign === 'inner'; - - if (inner) { - ctx.lineWidth = vm.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = vm.borderWidth; - ctx.lineJoin = 'bevel'; - } - - if (arc.fullCircles) { - drawFullCircleBorders(ctx, vm, arc, inner); - } - - if (inner) { - clipArc(ctx, arc); - } - - ctx.beginPath(); - ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle); - ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); - ctx.closePath(); - ctx.stroke(); - } - - var element_arc = core_element.extend({ - _type: 'arc', - - inLabelRange: function (mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function (chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += TAU; - } - while (angle > endAngle) { - angle -= TAU; - } - while (angle < startAngle) { - angle += TAU; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function () { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function () { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function () { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; - var arc = { - x: vm.x, - y: vm.y, - innerRadius: vm.innerRadius, - outerRadius: Math.max(vm.outerRadius - pixelMargin, 0), - pixelMargin: pixelMargin, - startAngle: vm.startAngle, - endAngle: vm.endAngle, - fullCircles: Math.floor(vm.circumference / TAU) - }; - var i; - - ctx.save(); - - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - - if (arc.fullCircles) { - arc.endAngle = arc.startAngle + TAU; - ctx.beginPath(); - ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle); - ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); - ctx.closePath(); - for (i = 0; i < arc.fullCircles; ++i) { - ctx.fill(); - } - arc.endAngle = arc.startAngle + vm.circumference % TAU; - } - - ctx.beginPath(); - ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle); - ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); - ctx.closePath(); - ctx.fill(); - - if (vm.borderWidth) { - drawBorder(ctx, vm, arc); - } - - ctx.restore(); - } - }); - - var valueOrDefault$1 = helpers$1.valueOrDefault; - - var defaultColor = core_defaults.global.defaultColor; - - core_defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: defaultColor, - borderWidth: 3, - borderColor: defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } - }); - - var element_line = core_element.extend({ - _type: 'line', - - draw: function () { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalDefaults = core_defaults.global; - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var closePath = me._loop; - var index, previous, currentVM; - - if (!points.length) { - return; - } - - if (me._loop) { - for (index = 0; index < points.length; ++index) { - previous = helpers$1.previousItem(points, index); - // If the line has an open path, shift the point array - if (!points[index]._view.skip && previous._view.skip) { - points = points.slice(index).concat(points.slice(0, index)); - closePath = spanGaps; - break; - } - } - // If the line has a close path, add the first point again - if (closePath) { - points.push(points[0]); - } - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - - // First point moves to it's starting position no matter what - currentVM = points[0]._view; - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = 0; - } - - for (index = 1; index < points.length; ++index) { - currentVM = points[index]._view; - previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers$1.canvas.lineTo(ctx, previous._view, currentVM); - } - lastDrawnIndex = index; - } - } - - if (closePath) { - ctx.closePath(); - } - - ctx.stroke(); - ctx.restore(); - } - }); - - var valueOrDefault$2 = helpers$1.valueOrDefault; - - var defaultColor$1 = core_defaults.global.defaultColor; - - core_defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor$1, - borderColor: defaultColor$1, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } - }); - - function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; - } - - function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; - } - - var element_point = core_element.extend({ - _type: 'point', - - inRange: function (mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function () { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function (chartArea) { - var vm = this._view; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var rotation = vm.rotation; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow - - if (vm.skip) { - return; - } - - // Clipping for Points. - if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); - } - } - }); - - var defaultColor$2 = core_defaults.global.defaultColor; - - core_defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaultColor$2, - borderColor: defaultColor$2, - borderSkipped: 'bottom', - borderWidth: 0 - } - } - }); - - function isVertical(vm) { - return vm && vm.width !== undefined; - } - - /** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ - function getBarBounds(vm) { - var x1, x2, y1, y2, half; - - if (isVertical(vm)) { - half = vm.width / 2; - x1 = vm.x - half; - x2 = vm.x + half; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - half = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - half; - y2 = vm.y + half; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; - } - - function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; - } - - function parseBorderSkipped(vm) { - var edge = vm.borderSkipped; - var res = {}; - - if (!edge) { - return res; - } - - if (vm.horizontal) { - if (vm.base > vm.x) { - edge = swap(edge, 'left', 'right'); - } - } else if (vm.base < vm.y) { - edge = swap(edge, 'bottom', 'top'); - } - - res[edge] = true; - return res; - } - - function parseBorderWidth(vm, maxW, maxH) { - var value = vm.borderWidth; - var skip = parseBorderSkipped(vm); - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, - r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, - b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, - l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l - }; - } - - function boundingRects(vm) { - var bounds = getBarBounds(vm); - var width = bounds.right - bounds.left; - var height = bounds.bottom - bounds.top; - var border = parseBorderWidth(vm, width / 2, height / 2); - - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b - } - }; - } - - function inRange(vm, x, y) { - var skipX = x === null; - var skipY = y === null; - var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); - - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); - } - - var element_rectangle = core_element.extend({ - _type: 'rectangle', - - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - var rects = boundingRects(vm); - var outer = rects.outer; - var inner = rects.inner; - - ctx.fillStyle = vm.backgroundColor; - ctx.fillRect(outer.x, outer.y, outer.w, outer.h); - - if (outer.w === inner.w && outer.h === inner.h) { - return; - } - - ctx.save(); - ctx.beginPath(); - ctx.rect(outer.x, outer.y, outer.w, outer.h); - ctx.clip(); - ctx.fillStyle = vm.borderColor; - ctx.rect(inner.x, inner.y, inner.w, inner.h); - ctx.fill('evenodd'); - ctx.restore(); - }, - - height: function () { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function (mouseX, mouseY) { - return inRange(this._view, mouseX, mouseY); - }, - - inLabelRange: function (mouseX, mouseY) { - var vm = this._view; - return isVertical(vm) - ? inRange(vm, mouseX, null) - : inRange(vm, null, mouseY); - }, - - inXRange: function (mouseX) { - return inRange(this._view, mouseX, null); - }, - - inYRange: function (mouseY) { - return inRange(this._view, null, mouseY); - }, - - getCenterPoint: function () { - var vm = this._view; - var x, y; - if (isVertical(vm)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return {x: x, y: y}; - }, - - getArea: function () { - var vm = this._view; - - return isVertical(vm) - ? vm.width * Math.abs(vm.y - vm.base) - : vm.height * Math.abs(vm.x - vm.base); - }, - - tooltipPosition: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } - }); - - var elements = {}; - var Arc = element_arc; - var Line = element_line; - var Point = element_point; - var Rectangle = element_rectangle; - elements.Arc = Arc; - elements.Line = Line; - elements.Point = Point; - elements.Rectangle = Rectangle; - - var deprecated = helpers$1._deprecated; - var valueOrDefault$3 = helpers$1.valueOrDefault; - - core_defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - offset: true, - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } - }); - - core_defaults._set('global', { - datasets: { - bar: { - categoryPercentage: 0.8, - barPercentage: 0.9 - } - } - }); - - /** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ - function computeMinSampleSize(scale, pixels) { - var min = scale._length; - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); - } - - for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min; - prev = curr; - } - - return min; - } - - /** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ - function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var min = helpers$1.isNullOrUndef(thickness) - ? computeMinSampleSize(ruler.scale, ruler.pixels) - : -1; - var size, ratio; - - if (helpers$1.isNullOrUndef(thickness)) { - size = min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; - } - - /** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ - function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale size. - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - (curr - Math.min(prev, next)) / 2 * percent; - size = Math.abs(next - prev) / 2 * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; - } - - var controller_bar = core_datasetController.extend({ - - dataElementType: elements.Rectangle, - - /** - * @private - */ - _dataElementOptions: [ - 'backgroundColor', - 'borderColor', - 'borderSkipped', - 'borderWidth', - 'barPercentage', - 'barThickness', - 'categoryPercentage', - 'maxBarThickness', - 'minBarLength' - ], - - initialize: function () { - var me = this; - var meta, scaleOpts; - - core_datasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - - scaleOpts = me._getIndexScale().options; - deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage'); - deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness'); - deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage'); - deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength'); - deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness'); - }, - - update: function (reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function (rectangle, index, reset) { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var options = me._resolveDataElementOptions(rectangle, index); - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - rectangle._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderSkipped: options.borderSkipped, - borderWidth: options.borderWidth, - datasetLabel: dataset.label, - label: me.chart.data.labels[index] - }; - - if (helpers$1.isArray(dataset.data[index])) { - rectangle._model.borderSkipped = null; - } - - me._updateElementGeometry(rectangle, index, reset, options); - - rectangle.pivot(); - }, - - /** - * @private - */ - _updateElementGeometry: function (rectangle, index, reset, options) { - var me = this; - var model = rectangle._model; - var vscale = me._getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index, options); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {number} [last] - The dataset index - * @returns {string[]} The list of stack IDs - * @private - */ - _getStacks: function (last) { - var me = this; - var scale = me._getIndexScale(); - var metasets = scale._getMatchingVisibleMetas(me._type); - var stacked = scale.options.stacked; - var ilen = metasets.length; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = metasets[i]; - // stacked | meta.stack - // | found | not found | undefined - // false | x | x | x - // true | | x | - // undefined | | x | x - if (stacked === false || stacks.indexOf(meta.stack) === -1 || - (stacked === undefined && meta.stack === undefined)) { - stacks.push(meta.stack); - } - if (meta.index === last) { - break; - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function () { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {number} [datasetIndex] - The dataset index - * @param {string} [name] - The stack name to find - * @returns {number} The stack index - * @private - */ - getStackIndex: function (datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function () { - var me = this; - var scale = me._getIndexScale(); - var pixels = []; - var i, ilen; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, me.index)); - } - - return { - pixels: pixels, - start: scale._startPixel, - end: scale._endPixel, - stackCount: me.getStackCount(), - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function (datasetIndex, index, options) { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var isHorizontal = scale.isHorizontal(); - var datasets = chart.data.datasets; - var metasets = scale._getMatchingVisibleMetas(me._type); - var value = scale._parseValue(datasets[datasetIndex].data[index]); - var minBarLength = options.minBarLength; - var stacked = scale.options.stacked; - var stack = me.getMeta().stack; - var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max; - var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max; - var ilen = metasets.length; - var i, imeta, ivalue, base, head, size, stackLength; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < ilen; ++i) { - imeta = metasets[i]; - - if (imeta.index === datasetIndex) { - break; - } - - if (imeta.stack === stack) { - stackLength = scale._parseValue(datasets[imeta.index].data[index]); - ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min; - - if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + length); - size = head - base; - - if (minBarLength !== undefined && Math.abs(size) < minBarLength) { - size = minBarLength; - if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) { - head = base - minBarLength; - } else { - head = base + minBarLength; - } - } - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function (datasetIndex, index, ruler, options) { - var me = this; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - valueOrDefault$3(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function () { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - var val = scale._parseValue(dataset.data[i]); - if (!isNaN(val.min) && !isNaN(val.max)) { - rects[i].draw(); - } - } - - helpers$1.canvas.unclipArea(chart.ctx); - }, - - /** - * @private - */ - _resolveDataElementOptions: function () { - var me = this; - var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments)); - var indexOpts = me._getIndexScale().options; - var valueOpts = me._getValueScale().options; - - values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage); - values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness); - values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage); - values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness); - values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength); - - return values; - } - - }); - - var valueOrDefault$4 = helpers$1.valueOrDefault; - var resolve$1 = helpers$1.options.resolve; - - core_defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function () { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function (item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } - }); - - var controller_bubble = core_datasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @private - */ - _dataElementOptions: [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle', - 'rotation' - ], - - /** - * @protected - */ - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers$1.each(points, function (point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function (point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveDataElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - rotation: options.rotation, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function (point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @private - */ - _resolveDataElementOptions: function (point, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = point.custom || {}; - var data = dataset.data[index] || {}; - var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments); - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - // In case values were cached (and thus frozen), we need to clone the values - if (me._cachedDataOpts === values) { - values = helpers$1.extend({}, values); - } - - // Custom radius resolution - values.radius = resolve$1([ - custom.radius, - data.r, - me._config.radius, - chart.options.elements.point.radius - ], context, index); - - return values; - } - }); - - var valueOrDefault$5 = helpers$1.valueOrDefault; - - var PI$1 = Math.PI; - var DOUBLE_PI$1 = PI$1 * 2; - var HALF_PI$1 = PI$1 / 2; - - core_defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function (chart) { - var list = document.createElement('ul'); - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - var i, ilen, listItem, listItemSpan; - - list.setAttribute('class', chart.id + '-legend'); - if (datasets.length) { - for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) { - listItem = list.appendChild(document.createElement('li')); - listItemSpan = listItem.appendChild(document.createElement('span')); - listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i]; - if (labels[i]) { - listItem.appendChild(document.createTextNode(labels[i])); - } - } - } - - return list.outerHTML; - }, - legend: { - labels: { - generateLabels: function (chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function (label, i) { - var meta = chart.getDatasetMeta(0); - var style = meta.controller.getStyle(i); - - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function (e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: -HALF_PI$1, - - // The total circumference of the chart. - circumference: DOUBLE_PI$1, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function () { - return ''; - }, - label: function (tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers$1.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } - }); - - var controller_doughnut = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - /** - * @private - */ - _dataElementOptions: [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ], - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function (datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function (reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var ratioX = 1; - var ratioY = 1; - var offsetX = 0; - var offsetY = 0; - var meta = me.getMeta(); - var arcs = meta.data; - var cutout = opts.cutoutPercentage / 100 || 0; - var circumference = opts.circumference; - var chartWeight = me._getRingWeight(me.index); - var maxWidth, maxHeight, i, ilen; - - // If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc - if (circumference < DOUBLE_PI$1) { - var startAngle = opts.rotation % DOUBLE_PI$1; - startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0; - var endAngle = startAngle + circumference; - var startX = Math.cos(startAngle); - var startY = Math.sin(startAngle); - var endX = Math.cos(endAngle); - var endY = Math.sin(endAngle); - var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1; - var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1; - var contains180 = startAngle === -PI$1 || endAngle >= PI$1; - var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1; - var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout); - var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout); - var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout); - var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout); - ratioX = (maxX - minX) / 2; - ratioY = (maxY - minY) / 2; - offsetX = -(maxX + minX) / 2; - offsetY = -(maxY + minY) / 2; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveDataElementOptions(arcs[i], i); - } - - chart.borderWidth = me.getMaxBorderWidth(); - maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX; - maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY; - chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); - chart.innerRadius = Math.max(chart.outerRadius * cutout, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); - chart.offsetX = offsetX * chart.outerRadius; - chart.offsetY = offsetY * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - me.updateElement(arcs[i], i, reset); - } - }, - - updateElement: function (arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - calculateTotal: function () { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers$1.each(meta.data, function (element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function (value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return DOUBLE_PI$1 * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function (arcs) { - var me = this; - var max = 0; - var chart = me.chart; - var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; - - if (!arcs) { - // Find the outmost visible dataset - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - if (i !== me.index) { - controller = meta.controller; - } - break; - } - } - } - - if (!arcs) { - return 0; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arc = arcs[i]; - if (controller) { - controller._configure(); - options = controller._resolveDataElementOptions(arc, i); - } else { - options = arc._options; - } - if (options.borderAlign !== 'inner') { - borderWidth = options.borderWidth; - hoverWidth = options.hoverBorderWidth; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - } - return max; - }, - - /** - * @protected - */ - setHoverStyle: function (arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly - * @private - */ - _getRingWeightOffset: function (datasetIndex) { - var ringWeightOffset = 0; - - for (var i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - - return ringWeightOffset; - }, - - /** - * @private - */ - _getRingWeight: function (dataSetIndex) { - return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0); - }, - - /** - * Returns the sum of all visibile data set weights. This value can be 0. - * @private - */ - _getVisibleDatasetWeightTotal: function () { - return this._getRingWeightOffset(this.chart.data.datasets.length); - } - }); - - core_defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - type: 'category', - position: 'left', - offset: true, - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - mode: 'index', - axis: 'y' - } - }); - - core_defaults._set('global', { - datasets: { - horizontalBar: { - categoryPercentage: 0.8, - barPercentage: 0.9 - } - } - }); - - var controller_horizontalBar = controller_bar.extend({ - /** - * @private - */ - _getValueScaleId: function () { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function () { - return this.getMeta().yAxisID; - } - }); - - var valueOrDefault$6 = helpers$1.valueOrDefault; - var resolve$2 = helpers$1.options.resolve; - var isPointInArea = helpers$1.canvas._isPointInArea; - - core_defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } - }); - - function scaleClip(scale, halfBorderWidth) { - var tickOpts = scale && scale.options.ticks || {}; - var reverse = tickOpts.reverse; - var min = tickOpts.min === undefined ? halfBorderWidth : 0; - var max = tickOpts.max === undefined ? halfBorderWidth : 0; - return { - start: reverse ? max : min, - end: reverse ? min : max - }; - } - - function defaultClip(xScale, yScale, borderWidth) { - var halfBorderWidth = borderWidth / 2; - var x = scaleClip(xScale, halfBorderWidth); - var y = scaleClip(yScale, halfBorderWidth); - - return { - top: y.end, - right: x.end, - bottom: y.start, - left: x.start - }; - } - - function toClip(value) { - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = value.top; - r = value.right; - b = value.bottom; - l = value.left; - } else { - t = r = b = l = value; - } - - return { - top: t, - right: r, - bottom: b, - left: l - }; - } - - - var controller_line = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - /** - * @private - */ - _datasetElementOptions: [ - 'backgroundColor', - 'borderCapStyle', - 'borderColor', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'borderWidth', - 'cubicInterpolationMode', - 'fill' - ], - - /** - * @private - */ - _dataElementOptions: { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }, - - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var options = me.chart.options; - var config = me._config; - var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines); - var i, ilen; - - me._xScale = me.getScaleForId(meta.xAxisID); - me._yScale = me.getScaleForId(meta.yAxisID); - - // Update Line - if (showLine) { - // Compatibility: If the properties are defined with only the old name, use those values - if (config.tension !== undefined && config.lineTension === undefined) { - config.lineTension = config.tension; - } - - // Utility - line._scale = me._yScale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = me._resolveDatasetElementOptions(line); - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function (point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var xScale = me._xScale; - var yScale = me._yScale; - var lineModel = meta.dataset._model; - var x, y; - - var options = me._resolveDataElementOptions(point, index); - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), - steppedLine: lineModel ? lineModel.steppedLine : false, - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolveDatasetElementOptions: function (element) { - var me = this; - var config = me._config; - var custom = element.custom || {}; - var options = me.chart.options; - var lineOptions = options.elements.line; - var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments); - - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps); - values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension); - values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]); - values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth))); - - return values; - }, - - calculatePointY: function (value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var yScale = me._yScale; - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen; - - if (yScale.options.stacked) { - rightValue = +yScale.getRightValue(value); - metasets = chart._getSortedVisibleDatasetMetas(); - ilen = metasets.length; - - for (i = 0; i < ilen; ++i) { - dsMeta = metasets[i]; - if (dsMeta.index === datasetIndex) { - break; - } - - ds = chart.data.datasets[dsMeta.index]; - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) { - stackedRightValue = +yScale.getRightValue(ds.data[index]); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function () { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var lineModel = meta.dataset._model; - var area = chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (lineModel.spanGaps) { - points = points.filter(function (pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (lineModel.cubicInterpolationMode === 'monotone') { - helpers$1.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i)._model, - model, - helpers$1.nextItem(points, i)._model, - lineModel.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - if (isPointInArea(model, area)) { - if (i > 0 && isPointInArea(points[i - 1]._model, area)) { - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - } - if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - } - } - }, - - draw: function () { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var canvas = chart.canvas; - var i = 0; - var ilen = points.length; - var clip; - - if (me._showLine) { - clip = meta.dataset._model.clip; - - helpers$1.canvas.clipArea(chart.ctx, { - left: clip.left === false ? 0 : area.left - clip.left, - right: clip.right === false ? canvas.width : area.right + clip.right, - top: clip.top === false ? 0 : area.top - clip.top, - bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom - }); - - meta.dataset.draw(); - - helpers$1.canvas.unclipArea(chart.ctx); - } - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - /** - * @protected - */ - setHoverStyle: function (point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$6(options.hoverRadius, options.radius); - }, - }); - - var resolve$3 = helpers$1.options.resolve; - - core_defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function (chart) { - var list = document.createElement('ul'); - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - var i, ilen, listItem, listItemSpan; - - list.setAttribute('class', chart.id + '-legend'); - if (datasets.length) { - for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) { - listItem = list.appendChild(document.createElement('li')); - listItemSpan = listItem.appendChild(document.createElement('span')); - listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i]; - if (labels[i]) { - listItem.appendChild(document.createTextNode(labels[i])); - } - } - } - - return list.outerHTML; - }, - legend: { - labels: { - generateLabels: function (chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function (label, i) { - var meta = chart.getDatasetMeta(0); - var style = meta.controller.getStyle(i); - - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function (e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function () { - return ''; - }, - label: function (item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } - }); - - var controller_polarArea = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - /** - * @private - */ - _dataElementOptions: [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ], - - /** - * @private - */ - _getIndexScaleId: function () { - return this.chart.scale.id; - }, - - /** - * @private - */ - _getValueScaleId: function () { - return this.chart.scale.id; - }, - - update: function (reset) { - var me = this; - var dataset = me.getDataset(); - var meta = me.getMeta(); - var start = me.chart.options.startAngle || 0; - var starts = me._starts = []; - var angles = me._angles = []; - var arcs = meta.data; - var i, ilen, angle; - - me._updateRadius(); - - meta.count = me.countVisibleElements(); - - for (i = 0, ilen = dataset.data.length; i < ilen; i++) { - starts[i] = start; - angle = me._computeAngle(i); - angles[i] = angle; - start += angle; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveDataElementOptions(arcs[i], i); - me.updateElement(arcs[i], i, reset); - } - }, - - /** - * @private - */ - _updateRadius: function () { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - - chart.outerRadius = Math.max(minSize / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - }, - - updateElement: function (arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = me._starts[index]; - var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - arc.pivot(); - }, - - countVisibleElements: function () { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers$1.each(meta.data, function (element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - /** - * @protected - */ - setHoverStyle: function (arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - var valueOrDefault = helpers$1.valueOrDefault; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _computeAngle: function (index) { - var me = this; - var count = this.getMeta().count; - var dataset = me.getDataset(); - var meta = me.getMeta(); - - if (isNaN(dataset.data[index]) || meta.data[index].hidden) { - return 0; - } - - // Scriptable options - var context = { - chart: me.chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - return resolve$3([ - me.chart.options.elements.arc.angle, - (2 * Math.PI) / count - ], context, index); - } - }); - - core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); - core_defaults._set('pie', { - cutoutPercentage: 0 - }); - -// Pie charts are Doughnut chart with different defaults - var controller_pie = controller_doughnut; - - var valueOrDefault$7 = helpers$1.valueOrDefault; - - core_defaults._set('radar', { - spanGaps: false, - scale: { - type: 'radialLinear' - }, - elements: { - line: { - fill: 'start', - tension: 0 // no bezier in radar - } - } - }); - - var controller_radar = core_datasetController.extend({ - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers$1.noop, - - /** - * @private - */ - _datasetElementOptions: [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill' - ], - - /** - * @private - */ - _dataElementOptions: { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }, - - /** - * @private - */ - _getIndexScaleId: function () { - return this.chart.scale.id; - }, - - /** - * @private - */ - _getValueScaleId: function () { - return this.chart.scale.id; - }, - - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.chart.scale; - var config = me._config; - var i, ilen; - - // Compatibility: If the properties are defined with only the old name, use those values - if (config.tension !== undefined && config.lineTension === undefined) { - config.lineTension = config.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - line._loop = true; - // Model - line._model = me._resolveDatasetElementOptions(line); - - line.pivot(); - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - // Update bezier control points - me.updateBezierControlPoints(); - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function (point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - var options = me._resolveDataElementOptions(point, index); - var lineModel = me.getMeta().dataset._model; - var x = reset ? scale.xCenter : pointPosition.x; - var y = reset ? scale.yCenter : pointPosition.y; - - // Utility - point._scale = scale; - point._options = options; - point._datasetIndex = me.index; - point._index = index; - - // Desired view properties - point._model = { - x: x, // value not used in dataset scale, but we want a consistent API between scales - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0), - - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolveDatasetElementOptions: function () { - var me = this; - var config = me._config; - var options = me.chart.options; - var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments); - - values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps); - values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension); - - return values; - }, - - updateBezierControlPoints: function () { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (meta.dataset._model.spanGaps) { - points = points.filter(function (pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i, true)._model, - model, - helpers$1.nextItem(points, i, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); - model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); - model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); - model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); - } - }, - - setHoverStyle: function (point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$7(options.hoverRadius, options.radius); - } - }); - - core_defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - tooltips: { - callbacks: { - title: function () { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function (item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } - }); - - core_defaults._set('global', { - datasets: { - scatter: { - showLine: false - } - } - }); - -// Scatter charts use line controllers - var controller_scatter = controller_line; - -// NOTE export a map in which the key represents the controller type, not -// the class, and so must be CamelCase in order to be correctly retrieved -// by the controller in core.controller.js (`controllers[meta.type]`). - - var controllers = { - bar: controller_bar, - bubble: controller_bubble, - doughnut: controller_doughnut, - horizontalBar: controller_horizontalBar, - line: controller_line, - polarArea: controller_polarArea, - pie: controller_pie, - radar: controller_radar, - scatter: controller_scatter - }; - - /** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {object} the event position - */ - function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers$1.getRelativePosition(e, chart); - } - - /** - * Helper function to traverse all of the visible elements in the chart - * @param {Chart} chart - the chart - * @param {function} handler - the callback to execute for each visible item - */ - function parseVisibleItems(chart, handler) { - var metasets = chart._getSortedVisibleDatasetMetas(); - var metadata, i, j, ilen, jlen, element; - - for (i = 0, ilen = metasets.length; i < ilen; ++i) { - metadata = metasets[i].data; - for (j = 0, jlen = metadata.length; j < jlen; ++j) { - element = metadata[j]; - if (!element._view.skip) { - handler(element); - } - } - } - } - - /** - * Helper function to get the items that intersect the event position - * @param {ChartElement[]} items - elements to filter - * @param {object} position - the point to be nearest to - * @return {ChartElement[]} the nearest items - */ - function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function (element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; - } - - /** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param {Chart} chart - the chart to look at elements from - * @param {object} position - the point to be nearest to - * @param {boolean} intersect - if true, only consider items that intersect the position - * @param {function} distanceMetric - function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ - function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function (element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; - } - - /** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {string} axis - the axis mode. x|y|xy - */ - function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function (pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; - } - - function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart._getSortedVisibleDatasetMetas().forEach(function (meta) { - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - }); - - return elements; - } - - /** - * @interface IInteractionOptions - */ - /** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - - /** - * Contains interaction related functions - * @namespace Chart.Interaction - */ - var core_interaction = { - // Helper function for different modes - modes: { - single: function (chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function (element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function (chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function (chart, e) { - return indexMode(chart, e, {intersect: false}); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function (chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function (chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - return getNearestItems(chart, position, options.intersect, distanceMetric); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function (chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function (element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function (chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function (element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } - }; - - var extend = helpers$1.extend; - - function filterByPosition(array, position) { - return helpers$1.where(array, function (v) { - return v.pos === position; - }); - } - - function sortByWeight(array, reverse) { - return array.sort(function (a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0.index - v1.index : - v0.weight - v1.weight; - }); - } - - function wrapBoxes(boxes) { - var layoutBoxes = []; - var i, ilen, box; - - for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { - box = boxes[i]; - layoutBoxes.push({ - index: i, - box: box, - pos: box.position, - horizontal: box.isHorizontal(), - weight: box.weight - }); - } - return layoutBoxes; - } - - function setLayoutDims(layouts, params) { - var i, ilen, layout; - for (i = 0, ilen = layouts.length; i < ilen; ++i) { - layout = layouts[i]; - // store width used instead of chartArea.w in fitBoxes - layout.width = layout.horizontal - ? layout.box.fullWidth && params.availableWidth - : params.vBoxMaxWidth; - // store height used instead of chartArea.h in fitBoxes - layout.height = layout.horizontal && params.hBoxMaxHeight; - } - } - - function buildLayoutBoxes(boxes) { - var layoutBoxes = wrapBoxes(boxes); - var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); - var right = sortByWeight(filterByPosition(layoutBoxes, 'right')); - var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); - var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); - - return { - leftAndTop: left.concat(top), - rightAndBottom: right.concat(bottom), - chartArea: filterByPosition(layoutBoxes, 'chartArea'), - vertical: left.concat(right), - horizontal: top.concat(bottom) - }; - } - - function getCombinedMax(maxPadding, chartArea, a, b) { - return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); - } - - function updateDims(chartArea, params, layout) { - var box = layout.box; - var maxPadding = chartArea.maxPadding; - var newWidth, newHeight; - - if (layout.size) { - // this layout was already counted for, lets first reduce old size - chartArea[layout.pos] -= layout.size; - } - layout.size = layout.horizontal ? box.height : box.width; - chartArea[layout.pos] += layout.size; - - if (box.getPadding) { - var boxPadding = box.getPadding(); - maxPadding.top = Math.max(maxPadding.top, boxPadding.top); - maxPadding.left = Math.max(maxPadding.left, boxPadding.left); - maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); - maxPadding.right = Math.max(maxPadding.right, boxPadding.right); - } - - newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'); - newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'); - - if (newWidth !== chartArea.w || newHeight !== chartArea.h) { - chartArea.w = newWidth; - chartArea.h = newHeight; - - // return true if chart area changed in layout's direction - return layout.horizontal ? newWidth !== chartArea.w : newHeight !== chartArea.h; - } - } - - function handleMaxPadding(chartArea) { - var maxPadding = chartArea.maxPadding; - - function updatePos(pos) { - var change = Math.max(maxPadding[pos] - chartArea[pos], 0); - chartArea[pos] += change; - return change; - } - - chartArea.y += updatePos('top'); - chartArea.x += updatePos('left'); - updatePos('right'); - updatePos('bottom'); - } - - function getMargins(horizontal, chartArea) { - var maxPadding = chartArea.maxPadding; - - function marginForPositions(positions) { - var margin = {left: 0, top: 0, right: 0, bottom: 0}; - positions.forEach(function (pos) { - margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); - }); - return margin; - } - - return horizontal - ? marginForPositions(['left', 'right']) - : marginForPositions(['top', 'bottom']); - } - - function fitBoxes(boxes, chartArea, params) { - var refitBoxes = []; - var i, ilen, layout, box, refit, changed; - - for (i = 0, ilen = boxes.length; i < ilen; ++i) { - layout = boxes[i]; - box = layout.box; - - box.update( - layout.width || chartArea.w, - layout.height || chartArea.h, - getMargins(layout.horizontal, chartArea) - ); - if (updateDims(chartArea, params, layout)) { - changed = true; - if (refitBoxes.length) { - // Dimensions changed and there were non full width boxes before this - // -> we have to refit those - refit = true; - } - } - if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case - refitBoxes.push(layout); - } - } - - return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed; - } - - function placeBoxes(boxes, chartArea, params) { - var userPadding = params.padding; - var x = chartArea.x; - var y = chartArea.y; - var i, ilen, layout, box; - - for (i = 0, ilen = boxes.length; i < ilen; ++i) { - layout = boxes[i]; - box = layout.box; - if (layout.horizontal) { - box.left = box.fullWidth ? userPadding.left : chartArea.left; - box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w; - box.top = y; - box.bottom = y + box.height; - box.width = box.right - box.left; - y = box.bottom; - } else { - box.left = x; - box.right = x + box.width; - box.top = chartArea.top; - box.bottom = chartArea.top + chartArea.h; - box.height = box.bottom - box.top; - x = box.right; - } - } - - chartArea.x = x; - chartArea.y = y; - } - - core_defaults._set('global', { - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } - }); - - /** - * @interface ILayoutItem - * @prop {string} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {function} update - Takes two parameters: width and height. Returns size of item - * @prop {function} getPadding - Returns an object with padding on the edges - * @prop {number} width - Width of item. Must be valid after update() - * @prop {number} height - Height of item. Must be valid after update() - * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - -// The layout service is very self explanatory. It's responsible for the layout within a chart. -// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need -// It is this service's responsibility of carrying out that layout. - var core_layouts = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function (chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - item._layers = item._layers || function () { - return [{ - z: 0, - draw: function () { - item.draw.apply(item, arguments); - } - }]; - }; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {ILayoutItem} layoutItem - the item to remove from the layout - */ - removeBox: function (chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {ILayoutItem} item - the item to configure with the given options - * @param {object} options - the new item options. - */ - configure: function (chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {number} width - the width to fit into - * @param {number} height - the height to fit into - */ - update: function (chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers$1.options.toPadding(layoutOptions.padding); - - var availableWidth = width - padding.width; - var availableHeight = height - padding.height; - var boxes = buildLayoutBoxes(chart.boxes); - var verticalBoxes = boxes.vertical; - var horizontalBoxes = boxes.horizontal; - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - - var params = Object.freeze({ - outerWidth: width, - outerHeight: height, - padding: padding, - availableWidth: availableWidth, - vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length, - hBoxMaxHeight: availableHeight / 2 - }); - var chartArea = extend({ - maxPadding: extend({}, padding), - w: availableWidth, - h: availableHeight, - x: padding.left, - y: padding.top - }, padding); - - setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); - - // First fit vertical boxes - fitBoxes(verticalBoxes, chartArea, params); - - // Then fit horizontal boxes - if (fitBoxes(horizontalBoxes, chartArea, params)) { - // if the area changed, re-fit vertical boxes - fitBoxes(verticalBoxes, chartArea, params); - } - - handleMaxPadding(chartArea); - - // Finally place the boxes to correct coordinates - placeBoxes(boxes.leftAndTop, chartArea, params); - - // Move to opposite side of chart - chartArea.x += chartArea.w; - chartArea.y += chartArea.h; - - placeBoxes(boxes.rightAndBottom, chartArea, params); - - chart.chartArea = { - left: chartArea.left, - top: chartArea.top, - right: chartArea.left + chartArea.w, - bottom: chartArea.top + chartArea.h - }; - - // Finally update boxes in chartArea (radial scale for example) - helpers$1.each(boxes.chartArea, function (layout) { - var box = layout.box; - extend(box, chart.chartArea); - box.update(chartArea.w, chartArea.h); - }); - } - }; - - /** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - - var platform_basic = { - acquireContext: function (item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } - }; - - var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n"; - - var platform_dom$1 = /*#__PURE__*/Object.freeze({ - __proto__: null, - 'default': platform_dom - }); - - var stylesheet = getCjsExportFromNamespace(platform_dom$1); - - var EXPANDO_KEY = '$chartjs'; - var CSS_PREFIX = 'chartjs-'; - var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; - var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; - var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; - var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - - /** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ - var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' - }; - - /** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {number} Size in pixels or undefined if unknown. - */ - function readUsedSize(element, property) { - var value = helpers$1.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; - } - - /** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ - function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; - } - - /** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ - var supportsEventListenerOptions = (function () { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - // eslint-disable-next-line getter-return - get: function () { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; - }()); - -// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. -// https://github.com/chartjs/Chart.js/issues/4287 - var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; - - function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); - } - - function removeListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); - } - - function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; - } - - function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers$1.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); - } - - function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function () { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers$1.requestAnimFrame.call(window, function () { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; - } - - function createDiv(cls) { - var el = document.createElement('div'); - el.className = cls || ''; - return el; - } - -// Implementation based on https://github.com/marcj/css-element-queries - function createResizer(handler) { - var maxSize = 1000000; - - // NOTE(SB) Don't use innerHTML because it could be considered unsafe. - // https://github.com/chartjs/Chart.js/issues/5902 - var resizer = createDiv(CSS_SIZE_MONITOR); - var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); - var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); - - expand.appendChild(createDiv()); - shrink.appendChild(createDiv()); - - resizer.appendChild(expand); - resizer.appendChild(shrink); - resizer._reset = function () { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - - var onScroll = function () { - resizer._reset(); - handler(); - }; - - addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; - } - -// https://davidwalsh.name/detect-node-insertion - function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function (e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers$1.each(ANIMATION_START_EVENTS, function (type) { - addListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); - } - - function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers$1.each(ANIMATION_START_EVENTS, function (type) { - removeListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); - } - - function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function () { - if (expando.resizer) { - var container = chart.options.maintainAspectRatio && node.parentNode; - var w = container ? container.clientWidth : 0; - listener(createEvent('resize', chart)); - if (container && container.clientWidth < w && chart.canvas) { - // If the container size shrank during chart resize, let's assume - // scrollbar appeared. So we resize again with the scrollbar visible - - // effectively making chart smaller and the scrollbar hidden again. - // Because we are inside `throttled`, and currently `ticking`, scroll - // events are ignored during this whole 2 resize process. - // If we assumed wrong and something else happened, we are resizing - // twice in a frame (potential performance issue) - listener(createEvent('resize', chart)); - } - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function () { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); - } - - function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); - } - } - - /** - * Injects CSS styles inline if the styles are not already present. - * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the <style>. - * @param {string} css - the CSS to be injected. - */ - function injectCSS(rootNode, css) { - // https://stackoverflow.com/q/3922139 - var expando = rootNode[EXPANDO_KEY] || (rootNode[EXPANDO_KEY] = {}); - if (!expando.containsStyles) { - expando.containsStyles = true; - css = '/* Chart.js */\n' + css; - var style = document.createElement('style'); - style.setAttribute('type', 'text/css'); - style.appendChild(document.createTextNode(css)); - rootNode.appendChild(style); - } - } - - var platform_dom$2 = { - /** - * When `true`, prevents the automatic injection of the stylesheet required to - * correctly detect when the chart is added to the DOM and then resized. This - * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`) - * to be manually imported to make this library compatible with any CSP. - * See https://github.com/chartjs/Chart.js/issues/5208 - */ - disableCSSInjection: false, - - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', - - /** - * Initializes resources that depend on platform options. - * @param {HTMLCanvasElement} canvas - The Canvas element. - * @private - */ - _ensureLoaded: function (canvas) { - if (!this.disableCSSInjection) { - // If the canvas is in a shadow DOM, then the styles must also be inserted - // into the same shadow DOM. - // https://github.com/chartjs/Chart.js/issues/5763 - var root = canvas.getRootNode ? canvas.getRootNode() : document; - var targetNode = root.host ? root : document.head; - injectCSS(targetNode, stylesheet); - } - }, - - acquireContext: function (item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } - - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); - - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - // Load platform resources on first chart creation, to make it possible to - // import the library before setting platform options. - this._ensureLoaded(item); - initCanvas(item, config); - return context; - } - - return null; - }, - - releaseContext: function (context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } - - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function (prop) { - var value = initial[prop]; - if (helpers$1.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers$1.each(initial.style || {}, function (value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - // eslint-disable-next-line no-self-assign - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function (chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function (event) { - listener(fromNativeEvent(event, chart)); - }; - - addListener(canvas, type, proxy); - }, - - removeEventListener: function (chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeListener(canvas, type, proxy); - } - }; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers$1.addEvent = addListener; - - /** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers$1.removeEvent = removeListener; - -// @TODO Make possible to select another platform at build time. - var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic; - - /** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ - var platform = helpers$1.extend({ - /** - * @since 2.7.0 - */ - initialize: function () { - }, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function () { - }, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {boolean} true if the method succeeded, else false - */ - releaseContext: function () { - }, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {string} type - The ({@link IEvent}) type to listen for - * @param {function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function () { - }, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart - Chart from which to remove the listener - * @param {string} type - The ({@link IEvent}) type to remove - * @param {function} listener - The listener function to remove from the event target. - */ - removeEventListener: function () { - } - - }, implementation); - - core_defaults._set('global', { - plugins: {} - }); - - /** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ - var core_plugins = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - register: function (plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function (plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - unregister: function (plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function (plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function () { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {number} - * @since 2.1.5 - */ - count: function () { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {IPlugin[]} array of plugin objects. - * @since 2.1.5 - */ - getAll: function () { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Chart} chart - The chart instance for which plugins should be called. - * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {boolean} false if any of the plugins return false, else returns true. - */ - notify: function (chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {object[]} [{ plugin, options }] - * @private - */ - descriptors: function (chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function (plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers$1.clone(core_defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function (chart) { - delete chart.$plugins; - } - }; - - var core_scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function (type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers$1.clone(scaleDefaults); - }, - getScaleConstructor: function (type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function (type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers$1.merge({}, [core_defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function (type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers$1.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function (chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers$1.each(chart.scales, function (scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - core_layouts.addBox(chart, scale); - }); - } - }; - - var valueOrDefault$8 = helpers$1.valueOrDefault; - var getRtlHelper = helpers$1.rtl.getRtlAdapter; - - core_defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers$1.noop, - title: function (tooltipItems, data) { - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - if (item.label) { - title = item.label; - } else if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers$1.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers$1.noop, - label: function (tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - if (!helpers$1.isNullOrUndef(tooltipItem.value)) { - label += tooltipItem.value; - } else { - label += tooltipItem.yLabel; - } - return label; - }, - labelColor: function (tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function () { - return this._options.bodyFontColor; - }, - afterLabel: helpers$1.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers$1.noop, - footer: helpers$1.noop, - afterFooter: helpers$1.noop - } - } - }); - - var positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {object} tooltip position - */ - average: function (elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: x / count, - y: y / count - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {object} the position of the event in canvas coordinates - * @returns {object} the tooltip position - */ - nearest: function (elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers$1.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } - }; - -// Helper to push or concat based on if the 2nd parameter is an array or not - function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers$1.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; - } - - /** - * Returns array of strings split by newline - * @param {string} value - The value to split by newline. - * @returns {string[]} value if newline present - Returned from String split() method - * @function - */ - function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; - } - - - /** - * Private helper to create a tooltip item model - * @param element - the chart element (point, arc, bar) to create the tooltip item for - * @return new tooltip item - */ - function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - var controller = element._chart.getDatasetMeta(datasetIndex).controller; - var indexScale = controller._getIndexScale(); - var valueScale = controller._getValueScale(); - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '', - value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; - } - - /** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {object} the tooltip options - */ - function getBaseModel(tooltipOpts) { - var globalDefaults = core_defaults.global; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Drawing direction and text direction - rtl: tooltipOpts.rtl, - textDirection: tooltipOpts.textDirection, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault$8(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault$8(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault$8(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault$8(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault$8(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault$8(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault$8(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault$8(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault$8(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; - } - - /** - * Get the size of the tooltip - */ - function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function (count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function (line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers$1.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers$1.each(body, function (bodyItem) { - helpers$1.each(bodyItem.before, maxLineWidth); - helpers$1.each(bodyItem.lines, maxLineWidth); - helpers$1.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers$1.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; - } - - /** - * Helper to get the alignment of a tooltip given the size - */ - function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function (x) { - return x <= midX; - }; - rf = function (x) { - return x > midX; - }; - } else { - lf = function (x) { - return x <= (size.width / 2); - }; - rf = function (x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function (x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function (x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function (y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; - } - - /** - * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ - function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; - } - - function getAlignedX(vm, align) { - return align === 'center' - ? vm.x + vm.width / 2 - : align === 'right' - ? vm.x + vm.width - vm.xPadding - : vm.x + vm.xPadding; - } - - /** - * Helper to build before and after body lines - */ - function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); - } - - var exports$4 = core_element.extend({ - initialize: function () { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function () { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function () { - return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); - }, - - // Args are: (tooltipItem, data) - getBody: function (tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers$1.each(tooltipItems, function (tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function () { - return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function () { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - - return lines; - }, - - update: function (changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function (a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function (a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers$1.each(tooltipItems, function (tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = tooltipPosition.x; - model.y = tooltipPosition.y; - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - - drawCaret: function (tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function (tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; - }, - - drawTitle: function (pt, vm, ctx) { - var title = vm.title; - var length = title.length; - var titleFontSize, titleSpacing, i; - - if (length) { - var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width); - - pt.x = getAlignedX(vm, vm._titleAlign); - - ctx.textAlign = rtlHelper.textAlign(vm._titleAlign); - ctx.textBaseline = 'middle'; - - titleFontSize = vm.titleFontSize; - titleSpacing = vm.titleSpacing; - - ctx.fillStyle = vm.titleFontColor; - ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - for (i = 0; i < length; ++i) { - ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFontSize / 2); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - - drawBody: function (pt, vm, ctx) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var bodyAlign = vm._bodyAlign; - var body = vm.body; - var drawColorBoxes = vm.displayColors; - var xLinePadding = 0; - var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0; - - var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width); - - var fillLineOfText = function (line) { - ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyFontSize / 2); - pt.y += bodyFontSize + bodySpacing; - }; - - var bodyItem, textColor, labelColors, lines, i, j, ilen, jlen; - var bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); - - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'middle'; - ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - pt.x = getAlignedX(vm, bodyAlignForCalculation); - - // Before body lines - ctx.fillStyle = vm.bodyFontColor; - helpers$1.each(vm.beforeBody, fillLineOfText); - - xLinePadding = drawColorBoxes && bodyAlignForCalculation !== 'right' - ? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2) - : 0; - - // Draw body lines now - for (i = 0, ilen = body.length; i < ilen; ++i) { - bodyItem = body[i]; - textColor = vm.labelTextColors[i]; - labelColors = vm.labelColors[i]; - - ctx.fillStyle = textColor; - helpers$1.each(bodyItem.before, fillLineOfText); - - lines = bodyItem.lines; - for (j = 0, jlen = lines.length; j < jlen; ++j) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - var rtlColorX = rtlHelper.x(colorX); - - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = vm.legendColorBackground; - ctx.fillRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = labelColors.borderColor; - ctx.strokeRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = labelColors.backgroundColor; - ctx.fillRect(rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), bodyFontSize - 2), pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(lines[j]); - } - - helpers$1.each(bodyItem.after, fillLineOfText); - } - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers$1.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - - drawFooter: function (pt, vm, ctx) { - var footer = vm.footer; - var length = footer.length; - var footerFontSize, i; - - if (length) { - var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width); - - pt.x = getAlignedX(vm, vm._footerAlign); - pt.y += vm.footerMarginTop; - - ctx.textAlign = rtlHelper.textAlign(vm._footerAlign); - ctx.textBaseline = 'middle'; - - footerFontSize = vm.footerFontSize; - - ctx.fillStyle = vm.footerFontColor; - ctx.font = helpers$1.fontString(footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - for (i = 0; i < length; ++i) { - ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFontSize / 2); - pt.y += footerFontSize + vm.footerSpacing; - } - } - }, - - drawBackground: function (pt, vm, ctx, tooltipSize) { - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize); - - // Draw Title, Body, and Footer - pt.y += vm.yPadding; - - helpers$1.rtl.overrideTextDirection(ctx, vm.textDirection); - - // Titles - this.drawTitle(pt, vm, ctx); - - // Body - this.drawBody(pt, vm, ctx); - - // Footer - this.drawFooter(pt, vm, ctx); - - helpers$1.rtl.restoreTextDirection(ctx, vm.textDirection); - - ctx.restore(); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {boolean} true if the tooltip changed - */ - handleEvent: function (e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - if (options.reverse) { - me._active.reverse(); - } - } - - // Remember Last Actives - changed = !helpers$1.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } - }); - - /** - * @namespace Chart.Tooltip.positioners - */ - var positioners_1 = positioners; - - var core_tooltip = exports$4; - core_tooltip.positioners = positioners_1; - - var valueOrDefault$9 = helpers$1.valueOrDefault; - - core_defaults._set('global', { - elements: {}, - events: [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - maintainAspectRatio: true, - responsive: true, - responsiveAnimationDuration: 0 - }); - - /** - * Recursively merge the given config objects representing the `scales` option - * by incorporating scale defaults in `xAxes` and `yAxes` array items, then - * returns a deep copy of the result, thus doesn't alter inputs. - */ - function mergeScaleConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function (key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = valueOrDefault$9(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers$1.merge(target[key][i], scale); - } - } - } else { - helpers$1._merger(key, target, source, options); - } - } - }); - } - - /** - * Recursively merge the given config objects as the root options by handling - * default scale options for the `scales` and `scale` properties, then returns - * a deep copy of the result, thus doesn't alter inputs. - */ - function mergeConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function (key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = mergeScaleConfig(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers$1._merger(key, target, source, options); - } - } - }); - } - - function initConfig(config) { - config = config || {}; - - // Do NOT use mergeConfig for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = mergeConfig( - core_defaults.global, - core_defaults[config.type], - config.options || {}); - - return config; - } - - function updateConfig(chart) { - var newOptions = chart.options; - - helpers$1.each(chart.scales, function (scale) { - core_layouts.removeBox(chart, scale); - }); - - newOptions = mergeConfig( - core_defaults.global, - core_defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); - } - - function nextAvailableScaleId(axesOpts, prefix, index) { - var id; - var hasId = function (obj) { - return obj.id === id; - }; - - do { - id = prefix + index++; - } while (helpers$1.findIndex(axesOpts, hasId) >= 0); - - return id; - } - - function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; - } - - function compare2Level(l1, l2) { - return function (a, b) { - return a[l1] === b[l1] - ? a[l2] - b[l2] - : a[l1] - b[l1]; - }; - } - - var Chart = function (item, config) { - this.construct(item, config); - return this; - }; - - helpers$1.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function (item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers$1.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - me._layers = []; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function () { - return me.config.data; - }, - set: function (value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function () { - var me = this; - - // Before init plugin notification - core_plugins.notify(me, 'beforeInit'); - - helpers$1.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - me.initToolTip(); - - // After init plugin notification - core_plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function () { - helpers$1.canvas.clear(this); - return this; - }, - - stop: function () { - // Stops any current animation loop occurring - core_animations.cancelAnimation(this); - return this; - }, - - resize: function (silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed - var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers$1.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = {width: newWidth, height: newHeight}; - core_plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (options.onResize) { - options.onResize(me, newSize); - } - - me.stop(); - me.update({ - duration: options.responsiveAnimationDuration - }); - } - }, - - ensureScalesHaveIDs: function () { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers$1.each(scalesOptions.xAxes, function (xAxisOptions, index) { - if (!xAxisOptions.id) { - xAxisOptions.id = nextAvailableScaleId(scalesOptions.xAxes, 'x-axis-', index); - } - }); - - helpers$1.each(scalesOptions.yAxes, function (yAxisOptions, index) { - if (!yAxisOptions.id) { - yAxisOptions.id = nextAvailableScaleId(scalesOptions.yAxes, 'y-axis-', index); - } - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function () { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function (obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function (xAxisOptions) { - return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; - }), - (options.scales.yAxes || []).map(function (yAxisOptions) { - return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers$1.each(items, function (item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = valueOrDefault$9(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = core_scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers$1.each(updated, function (hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - core_scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function () { - var me = this; - var newControllers = []; - var datasets = me.data.datasets; - var i, ilen; - - for (i = 0, ilen = datasets.length; i < ilen; i++) { - var dataset = datasets[i]; - var meta = me.getDatasetMeta(i); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(i); - meta = me.getDatasetMeta(i); - } - meta.type = type; - meta.order = dataset.order || 0; - meta.index = i; - - if (meta.controller) { - meta.controller.updateIndex(i); - meta.controller.linkScales(); - } else { - var ControllerClass = controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, i); - newControllers.push(meta.controller); - } - } - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function () { - var me = this; - helpers$1.each(me.data.datasets, function (dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function () { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function (config) { - var me = this; - var i, ilen; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - core_plugins._invalidate(me); - - if (core_plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - for (i = 0, ilen = me.data.datasets.length; i < ilen; i++) { - me.getDatasetMeta(i).controller.buildOrUpdateElements(); - } - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers$1.each(newControllers, function (controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - core_plugins.notify(me, 'afterUpdate'); - - me._layers.sort(compare2Level('z', '_idx')); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function () { - var me = this; - - if (core_plugins.notify(me, 'beforeLayout') === false) { - return; - } - - core_layouts.update(this, this.width, this.height); - - me._layers = []; - helpers$1.each(me.boxes, function (box) { - // _configure is called twice, once in core.scale.update and once here. - // Here the boxes are fully updated and at their final positions. - if (box._configure) { - box._configure(); - } - me._layers.push.apply(me._layers, box._layers()); - }, me); - - me._layers.forEach(function (item, index) { - item._idx = index; - }); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_plugins.notify(me, 'afterScaleUpdate'); - core_plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function () { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - core_plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function (index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller._update(); - - core_plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function (config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var animationOptions = me.options.animation; - var duration = valueOrDefault$9(config.duration, animationOptions && animationOptions.duration); - var lazy = config.lazy; - - if (core_plugins.notify(me, 'beforeRender') === false) { - return; - } - - var onComplete = function (animation) { - core_plugins.notify(me, 'afterRender'); - helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && duration) { - var animation = new core_animation({ - numSteps: duration / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function (chart, animationObject) { - var easingFunction = helpers$1.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - core_animations.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new core_animation({numSteps: 0, chart: me})); - } - - return me; - }, - - draw: function (easingValue) { - var me = this; - var i, layers; - - me.clear(); - - if (helpers$1.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (me.width <= 0 || me.height <= 0) { - return; - } - - if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Because of plugin hooks (before/afterDatasetsDraw), datasets can't - // currently be part of layers. Instead, we draw - // layers <= 0 before(default, backward compat), and the rest after - layers = me._layers; - for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { - layers[i].draw(me.chartArea); - } - - me.drawDatasets(easingValue); - - // Rest of layers - for (; i < layers.length; ++i) { - layers[i].draw(me.chartArea); - } - - me._drawTooltip(easingValue); - - core_plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function (easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * @private - */ - _getSortedDatasetMetas: function (filterVisible) { - var me = this; - var datasets = me.data.datasets || []; - var result = []; - var i, ilen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!filterVisible || me.isDatasetVisible(i)) { - result.push(me.getDatasetMeta(i)); - } - } - - result.sort(compare2Level('order', 'index')); - - return result; - }, - - /** - * @private - */ - _getSortedVisibleDatasetMetas: function () { - return this._getSortedDatasetMetas(true); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function (easingValue) { - var me = this; - var metasets, i; - - if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - metasets = me._getSortedVisibleDatasetMetas(); - for (i = metasets.length - 1; i >= 0; --i) { - me.drawDataset(metasets[i], easingValue); - } - - core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function (meta, easingValue) { - var me = this; - var args = { - meta: meta, - index: meta.index, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - core_plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function (easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - core_plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - /** - * Get the single element that was clicked on - * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - */ - getElementAtEvent: function (e) { - return core_interaction.modes.single(this, e); - }, - - getElementsAtEvent: function (e) { - return core_interaction.modes.label(this, e, {intersect: true}); - }, - - getElementsAtXAxis: function (e) { - return core_interaction.modes['x-axis'](this, e, {intersect: true}); - }, - - getElementsAtEventForMode: function (e, mode, options) { - var method = core_interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function (e) { - return core_interaction.modes.dataset(this, e, {intersect: true}); - }, - - getDatasetMeta: function (datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null, - order: dataset.order || 0, - index: datasetIndex - }; - } - - return meta; - }, - - getVisibleDatasetCount: function () { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function (datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function () { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function (datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function () { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers$1.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - core_plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function () { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function () { - var me = this; - me.tooltip = new core_tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function () { - var me = this; - var listeners = me._listeners = {}; - var listener = function () { - me.eventHandler.apply(me, arguments); - }; - - helpers$1.each(me.options.events, function (type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function () { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function () { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers$1.each(listeners, function (listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function (elements, mode, enabled) { - var prefix = enabled ? 'set' : 'remove'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[prefix + 'HoverStyle'](element); - } - } - - if (mode === 'dataset') { - this.getDatasetMeta(elements[0]._datasetIndex).controller['_' + prefix + 'DatasetHoverStyle'](); - } - }, - - /** - * @private - */ - eventHandler: function (e) { - var me = this; - var tooltip = me.tooltip; - - if (core_plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - core_plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render({ - duration: me.options.hover.animationDuration, - lazy: true - }); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {boolean} true if the chart needs to re-render - */ - handleEvent: function (e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers$1.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } - }); - - /** - * NOTE(SB) We actually don't use this container anymore but we need to keep it - * for backward compatibility. Though, it can still be useful for plugins that - * would need to work on multiple charts?! - */ - Chart.instances = {}; - - var core_controller = Chart; - -// DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6 - * @todo remove at version 3 - * @private - */ - Chart.Controller = Chart; - - /** - * Provided for backward compatibility, not available anymore. - * @namespace Chart - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ - Chart.types = {}; - - /** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.configMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - helpers$1.configMerge = mergeConfig; - - /** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.scaleMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - helpers$1.scaleMerge = mergeScaleConfig; - - var core_helpers = function () { - - // -- Basic js utility methods - - helpers$1.where = function (collection, filterCallback) { - if (helpers$1.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers$1.each(collection, function (item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers$1.findIndex = Array.prototype.findIndex ? - function (array, callback, scope) { - return array.findIndex(callback, scope); - } : - function (array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers$1.findNextWhere = function (arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers$1.findPreviousWhere = function (arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers$1.isNumber = function (n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers$1.almostEquals = function (x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers$1.almostWhole = function (x, epsilon) { - var rounded = Math.round(x); - return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x); - }; - helpers$1.max = function (array) { - return array.reduce(function (max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers$1.min = function (array) { - return array.reduce(function (min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers$1.sign = Math.sign ? - function (x) { - return Math.sign(x); - } : - function (x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers$1.toRadians = function (degrees) { - return degrees * (Math.PI / 180); - }; - helpers$1.toDegrees = function (radians) { - return radians * (180 / Math.PI); - }; - - /** - * Returns the number of decimal places - * i.e. the number of digits after the decimal point, of the value of this Number. - * @param {number} x - A number. - * @returns {number} The number of decimal places. - * @private - */ - helpers$1._decimalPlaces = function (x) { - if (!helpers$1.isFinite(x)) { - return; - } - var e = 1; - var p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; - }; - - // Gets the angle from vertical upright to the point about a centre. - helpers$1.getAngleFromPoint = function (centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers$1.distanceBetweenPoints = function (pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.helpers.aliasPixel - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - helpers$1.aliasPixel = function (pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - - /** - * Returns the aligned pixel value to avoid anti-aliasing blur - * @param {Chart} chart - The chart instance. - * @param {number} pixel - A pixel value. - * @param {number} width - The width of the element. - * @returns {number} The aligned pixel value. - * @private - */ - helpers$1._alignPixel = function (chart, pixel, width) { - var devicePixelRatio = chart.currentDevicePixelRatio; - var halfWidth = width / 2; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; - }; - - helpers$1.splineCurve = function (firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers$1.EPSILON = Number.EPSILON || 1e-14; - helpers$1.splineCurveMonotone = function (points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function (point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers$1.nextItem = function (collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers$1.previousItem = function (collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers$1.niceNum = function (range, round) { - var exponent = Math.floor(helpers$1.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers$1.requestAnimFrame = (function () { - if (typeof window === 'undefined') { - return function (callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function (callback) { - return window.setTimeout(callback, 1000 / 60); - }; - }()); - // -- DOM methods - helpers$1.getRelativePosition = function (evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.target || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - /** - * Returns the max width or height of the given DOM node in a cross-browser compatible fashion - * @param {HTMLElement} domNode - the node to check the constraint on - * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height') - * @param {string} percentageProperty - property of parent to use when calculating width as a percentage - * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser} - */ - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = helpers$1._getParentNode(domNode); - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - - // returns Number or undefined if no constraint - helpers$1.getConstraintWidth = function (domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers$1.getConstraintHeight = function (domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - /** - * @private - */ - helpers$1._calculatePadding = function (container, padding, parentDimension) { - padding = helpers$1.getStyle(container, padding); - - return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10); - }; - /** - * @private - */ - helpers$1._getParentNode = function (domNode) { - var parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; - }; - helpers$1.getMaximumWidth = function (domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientWidth; - } - - var clientWidth = container.clientWidth; - var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth); - var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth); - - var w = clientWidth - paddingLeft - paddingRight; - var cw = helpers$1.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers$1.getMaximumHeight = function (domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientHeight; - } - - var clientHeight = container.clientHeight; - var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight); - var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight); - - var h = clientHeight - paddingTop - paddingBottom; - var ch = helpers$1.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers$1.getStyle = function (el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers$1.retinaScale = function (chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers$1.fontString = function (pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers$1.longestText = function (ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - var ilen = arrayOfThings.length; - var i, j, jlen, thing, nestedThing; - for (i = 0; i < ilen; i++) { - thing = arrayOfThings[i]; - - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) { - longest = helpers$1.measureText(ctx, data, gc, longest, thing); - } else if (helpers$1.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - for (j = 0, jlen = thing.length; j < jlen; j++) { - nestedThing = thing[j]; - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) { - longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing); - } - } - } - } - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers$1.measureText = function (ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - - /** - * @deprecated - */ - helpers$1.numberOfLabelLines = function (arrayOfThings) { - var numberOfLines = 1; - helpers$1.each(arrayOfThings, function (thing) { - if (helpers$1.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers$1.color = !chartjsColor ? - function (value) { - console.error('Color.js not found!'); - return value; - } : - function (value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = core_defaults.global.defaultColor; - } - - return chartjsColor(value); - }; - - helpers$1.getHoverColor = function (colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ? - colorValue : - helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; - }; - - function abstract() { - throw new Error( - 'This method is not implemented: either no adapter can ' + - 'be found or an incomplete integration was provided.' - ); - } - - /** - * Date adapter (current used by the time scale) - * @namespace Chart._adapters._date - * @memberof Chart._adapters - * @private - */ - - /** - * Currently supported unit string values. - * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')} - * @memberof Chart._adapters._date - * @name Unit - */ - - /** - * @class - */ - function DateAdapter(options) { - this.options = options || {}; - } - - helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ { - /** - * Returns a map of time formats for the supported formatting units defined - * in Unit as well as 'datetime' representing a detailed date/time string. - * @returns {{string: string}} - */ - formats: abstract, - - /** - * Parses the given `value` and return the associated timestamp. - * @param {any} value - the value to parse (usually comes from the data) - * @param {string} [format] - the expected data format - * @returns {(number|null)} - * @function - */ - parse: abstract, - - /** - * Returns the formatted date in the specified `format` for a given `timestamp`. - * @param {number} timestamp - the timestamp to format - * @param {string} format - the date/time token - * @return {string} - * @function - */ - format: abstract, - - /** - * Adds the specified `amount` of `unit` to the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {number} amount - the amount to add - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - add: abstract, - - /** - * Returns the number of `unit` between the given timestamps. - * @param {number} max - the input timestamp (reference) - * @param {number} min - the timestamp to substract - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - diff: abstract, - - /** - * Returns start of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @param {number} [weekday] - the ISO day of the week with 1 being Monday - * and 7 being Sunday (only needed if param *unit* is `isoWeek`). - * @function - */ - startOf: abstract, - - /** - * Returns end of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @function - */ - endOf: abstract, - - // DEPRECATIONS - - /** - * Provided for backward compatibility for scale.getValueForPixel(), - * this method should be overridden only by the moment adapter. - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function (value) { - return value; - } - }); - - DateAdapter.override = function (members) { - helpers$1.extend(DateAdapter.prototype, members); - }; - - var _date = DateAdapter; - - var core_adapters = { - _date: _date - }; - - /** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ - var core_ticks = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {string|string[]} the label to display - */ - values: function (value) { - return helpers$1.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {number} the value to be formatted - * @param index {number} the position of the tickValue parameter in the ticks array - * @param ticks {number[]} the list of ticks being converted - * @return {string} string representation of the tickValue parameter - */ - linear: function (tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers$1.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); - if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation - var logTick = helpers$1.log10(Math.abs(tickValue)); - var numExponential = Math.floor(logTick) - Math.floor(logDelta); - numExponential = Math.max(Math.min(numExponential, 20), 0); - tickString = tickValue.toExponential(numExponential); - } else { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function (tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } - }; - - var isArray = helpers$1.isArray; - var isNullOrUndef = helpers$1.isNullOrUndef; - var valueOrDefault$a = helpers$1.valueOrDefault; - var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault; - - core_defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0,0,0,0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: core_ticks.formatters.values, - minor: {}, - major: {} - } - }); - - /** Returns a new array containing numItems from arr */ - function sample(arr, numItems) { - var result = []; - var increment = arr.length / numItems; - var i = 0; - var len = arr.length; - - for (; i < len; i += increment) { - result.push(arr[Math.floor(i)]); - } - return result; - } - - function getPixelForGridLine(scale, index, offsetGridLines) { - var length = scale.getTicks().length; - var validIndex = Math.min(index, length - 1); - var lineValue = scale.getPixelForTick(validIndex); - var start = scale._startPixel; - var end = scale._endPixel; - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - var offset; - - if (offsetGridLines) { - if (length === 1) { - offset = Math.max(lineValue - start, end - lineValue); - } else if (index === 0) { - offset = (scale.getPixelForTick(1) - lineValue) / 2; - } else { - offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; - } - lineValue += validIndex < index ? offset : -offset; - - // Return undefined if the pixel is out of the range - if (lineValue < start - epsilon || lineValue > end + epsilon) { - return; - } - } - return lineValue; - } - - function garbageCollect(caches, length) { - helpers$1.each(caches, function (cache) { - var gc = cache.gc; - var gcLen = gc.length / 2; - var i; - if (gcLen > length) { - for (i = 0; i < gcLen; ++i) { - delete cache.data[gc[i]]; - } - gc.splice(0, gcLen); - } - }); - } - - /** - * Returns {width, height, offset} objects for the first, last, widest, highest tick - * labels where offset indicates the anchor point offset from the top in pixels. - */ - function computeLabelSizes(ctx, tickFonts, ticks, caches) { - var length = ticks.length; - var widths = []; - var heights = []; - var offsets = []; - var i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel, - widest, highest; - - for (i = 0; i < length; ++i) { - label = ticks[i].label; - tickFont = ticks[i].major ? tickFonts.major : tickFonts.minor; - ctx.font = fontString = tickFont.string; - cache = caches[fontString] = caches[fontString] || {data: {}, gc: []}; - lineHeight = tickFont.lineHeight; - width = height = 0; - // Undefined labels and arrays should not be measured - if (!isNullOrUndef(label) && !isArray(label)) { - width = helpers$1.measureText(ctx, cache.data, cache.gc, width, label); - height = lineHeight; - } else if (isArray(label)) { - // if it is an array let's measure each element - for (j = 0, jlen = label.length; j < jlen; ++j) { - nestedLabel = label[j]; - // Undefined labels and arrays should not be measured - if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { - width = helpers$1.measureText(ctx, cache.data, cache.gc, width, nestedLabel); - height += lineHeight; - } - } - } - widths.push(width); - heights.push(height); - offsets.push(lineHeight / 2); - } - garbageCollect(caches, length); - - widest = widths.indexOf(Math.max.apply(null, widths)); - highest = heights.indexOf(Math.max.apply(null, heights)); - - function valueAt(idx) { - return { - width: widths[idx] || 0, - height: heights[idx] || 0, - offset: offsets[idx] || 0 - }; - } - - return { - first: valueAt(0), - last: valueAt(length - 1), - widest: valueAt(widest), - highest: valueAt(highest) - }; - } - - function getTickMarkLength(options) { - return options.drawTicks ? options.tickMarkLength : 0; - } - - function getScaleLabelHeight(options) { - var font, padding; - - if (!options.display) { - return 0; - } - - font = helpers$1.options._parseFont(options); - padding = helpers$1.options.toPadding(options.padding); - - return font.lineHeight + padding.height; - } - - function parseFontOptions(options, nestedOpts) { - return helpers$1.extend(helpers$1.options._parseFont({ - fontFamily: valueOrDefault$a(nestedOpts.fontFamily, options.fontFamily), - fontSize: valueOrDefault$a(nestedOpts.fontSize, options.fontSize), - fontStyle: valueOrDefault$a(nestedOpts.fontStyle, options.fontStyle), - lineHeight: valueOrDefault$a(nestedOpts.lineHeight, options.lineHeight) - }), { - color: helpers$1.options.resolve([nestedOpts.fontColor, options.fontColor, core_defaults.global.defaultFontColor]) - }); - } - - function parseTickFontOptions(options) { - var minor = parseFontOptions(options, options.minor); - var major = options.major.enabled ? parseFontOptions(options, options.major) : minor; - - return {minor: minor, major: major}; - } - - function nonSkipped(ticksToFilter) { - var filtered = []; - var item, index, len; - for (index = 0, len = ticksToFilter.length; index < len; ++index) { - item = ticksToFilter[index]; - if (typeof item._index !== 'undefined') { - filtered.push(item); - } - } - return filtered; - } - - function getEvenSpacing(arr) { - var len = arr.length; - var i, diff; - - if (len < 2) { - return false; - } - - for (diff = arr[0], i = 1; i < len; ++i) { - if (arr[i] - arr[i - 1] !== diff) { - return false; - } - } - return diff; - } - - function calculateSpacing(majorIndices, ticks, axisLength, ticksLimit) { - var evenMajorSpacing = getEvenSpacing(majorIndices); - var spacing = (ticks.length - 1) / ticksLimit; - var factors, factor, i, ilen; - - // If the major ticks are evenly spaced apart, place the minor ticks - // so that they divide the major ticks into even chunks - if (!evenMajorSpacing) { - return Math.max(spacing, 1); - } - - factors = helpers$1.math._factorize(evenMajorSpacing); - for (i = 0, ilen = factors.length - 1; i < ilen; i++) { - factor = factors[i]; - if (factor > spacing) { - return factor; - } - } - return Math.max(spacing, 1); - } - - function getMajorIndices(ticks) { - var result = []; - var i, ilen; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - if (ticks[i].major) { - result.push(i); - } - } - return result; - } - - function skipMajors(ticks, majorIndices, spacing) { - var count = 0; - var next = majorIndices[0]; - var i, tick; - - spacing = Math.ceil(spacing); - for (i = 0; i < ticks.length; i++) { - tick = ticks[i]; - if (i === next) { - tick._index = i; - count++; - next = majorIndices[count * spacing]; - } else { - delete tick.label; - } - } - } - - function skip(ticks, spacing, majorStart, majorEnd) { - var start = valueOrDefault$a(majorStart, 0); - var end = Math.min(valueOrDefault$a(majorEnd, ticks.length), ticks.length); - var count = 0; - var length, i, tick, next; - - spacing = Math.ceil(spacing); - if (majorEnd) { - length = majorEnd - majorStart; - spacing = length / Math.floor(length / spacing); - } - - next = start; - - while (next < 0) { - count++; - next = Math.round(start + count * spacing); - } - - for (i = Math.max(start, 0); i < end; i++) { - tick = ticks[i]; - if (i === next) { - tick._index = i; - count++; - next = Math.round(start + count * spacing); - } else { - delete tick.label; - } - } - } - - var Scale = core_element.extend({ - - zeroLineIndex: 0, - - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function () { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function () { - return this._ticks; - }, - - /** - * @private - */ - _getLabels: function () { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.Scale.mergeTicksOptions - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - mergeTicksOptions: function () { - // noop - }, - - beforeUpdate: function () { - helpers$1.callback(this.options.beforeUpdate, [this]); - }, - - /** - * @param {number} maxWidth - the max width in pixels - * @param {number} maxHeight - the max height in pixels - * @param {object} margins - the space between the edge of the other scales and edge of the chart - * This space comes from two sources: - * - padding - space that's required to show the labels at the edges of the scale - * - thickness of scales or legends in another orientation - */ - update: function (maxWidth, maxHeight, margins) { - var me = this; - var tickOpts = me.options.ticks; - var sampleSize = tickOpts.sampleSize; - var i, ilen, labels, ticks, samplingEnabled; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers$1.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - - me._ticks = null; - me.ticks = null; - me._labelSizes = null; - me._maxLabelLines = 0; - me.longestLabelWidth = 0; - me.longestTextCache = me.longestTextCache || {}; - me._gridLineItems = null; - me._labelItems = null; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - // Allow modification of ticks in callback. - ticks = me.afterBuildTicks(ticks) || ticks; - - // Ensure ticks contains ticks in new tick format - if ((!ticks || !ticks.length) && me.ticks) { - ticks = []; - for (i = 0, ilen = me.ticks.length; i < ilen; ++i) { - ticks.push({ - value: me.ticks[i], - major: false - }); - } - } - - me._ticks = ticks; - - // Compute tick rotation and fit using a sampled subset of labels - // We generally don't need to compute the size of every single label for determining scale size - samplingEnabled = sampleSize < ticks.length; - labels = me._convertTicksToLabels(samplingEnabled ? sample(ticks, sampleSize) : ticks); - - // _configure is called twice, once here, once from core.controller.updateLayout. - // Here we haven't been positioned yet, but dimensions are correct. - // Variables set in _configure are needed for calculateTickRotation, and - // it's ok that coordinates are not correct there, only dimensions matter. - me._configure(); - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - - me.beforeFit(); - me.fit(); - me.afterFit(); - - // Auto-skip - me._ticksToDraw = tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto') ? me._autoSkip(ticks) : ticks; - - if (samplingEnabled) { - // Generate labels using all non-skipped ticks - labels = me._convertTicksToLabels(me._ticksToDraw); - } - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: after this point, we consider that `this.ticks` will NEVER change! - - me.afterUpdate(); - - // TODO(v3): remove minSize as a public property and return value from all layout boxes. It is unused - // make maxWidth and maxHeight private - return me.minSize; - }, - - /** - * @private - */ - _configure: function () { - var me = this; - var reversePixels = me.options.ticks.reverse; - var startPixel, endPixel; - - if (me.isHorizontal()) { - startPixel = me.left; - endPixel = me.right; - } else { - startPixel = me.top; - endPixel = me.bottom; - // by default vertical scales are from bottom to top, so pixels are reversed - reversePixels = !reversePixels; - } - me._startPixel = startPixel; - me._endPixel = endPixel; - me._reversePixels = reversePixels; - me._length = endPixel - startPixel; - }, - - afterUpdate: function () { - helpers$1.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function () { - helpers$1.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function () { - helpers$1.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function () { - helpers$1.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers$1.noop, - afterDataLimits: function () { - helpers$1.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function () { - helpers$1.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers$1.noop, - afterBuildTicks: function (ticks) { - var me = this; - // ticks is empty for old axis implementations here - if (isArray(ticks) && ticks.length) { - return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]); - } - // Support old implementations (that modified `this.ticks` directly in buildTicks) - me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks; - return ticks; - }, - - beforeTickToLabelConversion: function () { - helpers$1.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function () { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function () { - helpers$1.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function () { - helpers$1.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function () { - var me = this; - var options = me.options; - var tickOpts = options.ticks; - var numTicks = me.getTicks().length; - var minRotation = tickOpts.minRotation || 0; - var maxRotation = tickOpts.maxRotation; - var labelRotation = minRotation; - var labelSizes, maxLabelWidth, maxLabelHeight, maxWidth, tickWidth, maxHeight, - maxLabelDiagonal; - - if (!me._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !me.isHorizontal()) { - me.labelRotation = minRotation; - return; - } - - labelSizes = me._getLabelSizes(); - maxLabelWidth = labelSizes.widest.width; - maxLabelHeight = labelSizes.highest.height - labelSizes.highest.offset; - - // Estimate the width of each grid based on the canvas width, the maximum - // label width and the number of tick intervals - maxWidth = Math.min(me.maxWidth, me.chart.width - maxLabelWidth); - tickWidth = options.offset ? me.maxWidth / numTicks : maxWidth / (numTicks - 1); - - // Allow 3 pixels x2 padding either side for label readability - if (maxLabelWidth + 6 > tickWidth) { - tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); - maxHeight = me.maxHeight - getTickMarkLength(options.gridLines) - - tickOpts.padding - getScaleLabelHeight(options.scaleLabel); - maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); - labelRotation = helpers$1.toDegrees(Math.min( - Math.asin(Math.min((labelSizes.highest.height + 6) / tickWidth, 1)), - Math.asin(Math.min(maxHeight / maxLabelDiagonal, 1)) - Math.asin(maxLabelHeight / maxLabelDiagonal) - )); - labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function () { - helpers$1.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function () { - helpers$1.callback(this.options.beforeFit, [this]); - }, - fit: function () { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var chart = me.chart; - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = me._isVisible(); - var isBottom = opts.position === 'bottom'; - var isHorizontal = me.isHorizontal(); - - // Width - if (isHorizontal) { - minSize.width = me.maxWidth; - } else if (display) { - minSize.width = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts); - } - - // height - if (!isHorizontal) { - minSize.height = me.maxHeight; // fill all the height - } else if (display) { - minSize.height = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts); - } - - // Don't bother fitting the ticks if we are not showing the labels - if (tickOpts.display && display) { - var tickFonts = parseTickFontOptions(tickOpts); - var labelSizes = me._getLabelSizes(); - var firstLabelSize = labelSizes.first; - var lastLabelSize = labelSizes.last; - var widestLabelSize = labelSizes.widest; - var highestLabelSize = labelSizes.highest; - var lineSpace = tickFonts.minor.lineHeight * 0.4; - var tickPadding = tickOpts.padding; - - if (isHorizontal) { - // A horizontal axis is more constrained by the height. - var isRotated = me.labelRotation !== 0; - var angleRadians = helpers$1.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - var labelHeight = sinRotation * widestLabelSize.width - + cosRotation * (highestLabelSize.height - (isRotated ? highestLabelSize.offset : 0)) - + (isRotated ? 0 : lineSpace); // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - var offsetLeft = me.getPixelForTick(0) - me.left; - var offsetRight = me.right - me.getPixelForTick(me.getTicks().length - 1); - var paddingLeft, paddingRight; - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (isRotated) { - paddingLeft = isBottom ? - cosRotation * firstLabelSize.width + sinRotation * firstLabelSize.offset : - sinRotation * (firstLabelSize.height - firstLabelSize.offset); - paddingRight = isBottom ? - sinRotation * (lastLabelSize.height - lastLabelSize.offset) : - cosRotation * lastLabelSize.width + sinRotation * lastLabelSize.offset; - } else { - paddingLeft = firstLabelSize.width / 2; - paddingRight = lastLabelSize.width / 2; - } - - // Adjust padding taking into account changes in offsets - // and add 3 px to move away from canvas edges - me.paddingLeft = Math.max((paddingLeft - offsetLeft) * me.width / (me.width - offsetLeft), 0) + 3; - me.paddingRight = Math.max((paddingRight - offsetRight) * me.width / (me.width - offsetRight), 0) + 3; - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - var labelWidth = tickOpts.mirror ? 0 : - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - widestLabelSize.width + tickPadding + lineSpace; - - minSize.width = Math.min(me.maxWidth, minSize.width + labelWidth); - - me.paddingTop = firstLabelSize.height / 2; - me.paddingBottom = lastLabelSize.height / 2; - } - } - - me.handleMargins(); - - if (isHorizontal) { - me.width = me._length = chart.width - me.margins.left - me.margins.right; - me.height = minSize.height; - } else { - me.width = minSize.width; - me.height = me._length = chart.height - me.margins.top - me.margins.bottom; - } - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function () { - var me = this; - if (me.margins) { - me.margins.left = Math.max(me.paddingLeft, me.margins.left); - me.margins.top = Math.max(me.paddingTop, me.margins.top); - me.margins.right = Math.max(me.paddingRight, me.margins.right); - me.margins.bottom = Math.max(me.paddingBottom, me.margins.bottom); - } - }, - - afterFit: function () { - helpers$1.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function () { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - isFullWidth: function () { - return this.options.fullWidth; - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function (rawValue) { - // Null and undefined values first - if (isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) { - return NaN; - } - - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - _convertTicksToLabels: function (ticks) { - var me = this; - var labels, i, ilen; - - me.ticks = ticks.map(function (tick) { - return tick.value; - }); - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - ticks[i].label = labels[i]; - } - - return labels; - }, - - /** - * @private - */ - _getLabelSizes: function () { - var me = this; - var labelSizes = me._labelSizes; - - if (!labelSizes) { - me._labelSizes = labelSizes = computeLabelSizes(me.ctx, parseTickFontOptions(me.options.ticks), me.getTicks(), me.longestTextCache); - me.longestLabelWidth = labelSizes.widest.width; - } - - return labelSizes; - }, - - /** - * @private - */ - _parseValue: function (value) { - var start, end, min, max; - - if (isArray(value)) { - start = +this.getRightValue(value[0]); - end = +this.getRightValue(value[1]); - min = Math.min(start, end); - max = Math.max(start, end); - } else { - value = +this.getRightValue(value); - start = undefined; - end = value; - min = value; - max = value; - } - - return { - min: min, - max: max, - start: start, - end: end - }; - }, - - /** - * @private - */ - _getScaleLabel: function (rawValue) { - var v = this._parseValue(rawValue); - if (v.start !== undefined) { - return '[' + v.start + ', ' + v.end + ']'; - } - - return +this.getRightValue(rawValue); - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers$1.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers$1.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers$1.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function (index) { - var me = this; - var offset = me.options.offset; - var numTicks = me._ticks.length; - var tickWidth = 1 / Math.max(numTicks - (offset ? 0 : 1), 1); - - return index < 0 || index > numTicks - 1 - ? null - : me.getPixelForDecimal(index * tickWidth + (offset ? tickWidth / 2 : 0)); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function (decimal) { - var me = this; - - if (me._reversePixels) { - decimal = 1 - decimal; - } - - return me._startPixel + decimal * me._length; - }, - - getDecimalForPixel: function (pixel) { - var decimal = (pixel - this._startPixel) / this._length; - return this._reversePixels ? 1 - decimal : decimal; - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function () { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function () { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function (ticks) { - var me = this; - var tickOpts = me.options.ticks; - var axisLength = me._length; - var ticksLimit = tickOpts.maxTicksLimit || axisLength / me._tickSize() + 1; - var majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; - var numMajorIndices = majorIndices.length; - var first = majorIndices[0]; - var last = majorIndices[numMajorIndices - 1]; - var i, ilen, spacing, avgMajorSpacing; - - // If there are too many major ticks to display them all - if (numMajorIndices > ticksLimit) { - skipMajors(ticks, majorIndices, numMajorIndices / ticksLimit); - return nonSkipped(ticks); - } - - spacing = calculateSpacing(majorIndices, ticks, axisLength, ticksLimit); - - if (numMajorIndices > 0) { - for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { - skip(ticks, spacing, majorIndices[i], majorIndices[i + 1]); - } - avgMajorSpacing = numMajorIndices > 1 ? (last - first) / (numMajorIndices - 1) : null; - skip(ticks, spacing, helpers$1.isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); - skip(ticks, spacing, last, helpers$1.isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); - return nonSkipped(ticks); - } - skip(ticks, spacing); - return nonSkipped(ticks); - }, - - /** - * @private - */ - _tickSize: function () { - var me = this; - var optionTicks = me.options.ticks; - - // Calculate space needed by label in axis direction. - var rot = helpers$1.toRadians(me.labelRotation); - var cos = Math.abs(Math.cos(rot)); - var sin = Math.abs(Math.sin(rot)); - - var labelSizes = me._getLabelSizes(); - var padding = optionTicks.autoSkipPadding || 0; - var w = labelSizes ? labelSizes.widest.width + padding : 0; - var h = labelSizes ? labelSizes.highest.height + padding : 0; - - // Calculate space needed for 1 tick in axis direction. - return me.isHorizontal() - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - }, - - /** - * @private - */ - _isVisible: function () { - var me = this; - var chart = me.chart; - var display = me.options.display; - var i, ilen, meta; - - if (display !== 'auto') { - return !!display; - } - - // When 'auto', the scale is visible if at least one associated dataset is visible. - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - if (meta.xAxisID === me.id || meta.yAxisID === me.id) { - return true; - } - } - } - - return false; - }, - - /** - * @private - */ - _computeGridLineItems: function (chartArea) { - var me = this; - var chart = me.chart; - var options = me.options; - var gridLines = options.gridLines; - var position = options.position; - var offsetGridLines = gridLines.offsetGridLines; - var isHorizontal = me.isHorizontal(); - var ticks = me._ticksToDraw; - var ticksLength = ticks.length + (offsetGridLines ? 1 : 0); - - var tl = getTickMarkLength(gridLines); - var items = []; - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var axisHalfWidth = axisWidth / 2; - var alignPixel = helpers$1._alignPixel; - var alignBorderValue = function (pixel) { - return alignPixel(chart, pixel, axisWidth); - }; - var borderValue, i, tick, lineValue, alignedLineValue; - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, lineWidth, lineColor, borderDash, borderDashOffset; - - if (position === 'top') { - borderValue = alignBorderValue(me.bottom); - ty1 = me.bottom - tl; - ty2 = borderValue - axisHalfWidth; - y1 = alignBorderValue(chartArea.top) + axisHalfWidth; - y2 = chartArea.bottom; - } else if (position === 'bottom') { - borderValue = alignBorderValue(me.top); - y1 = chartArea.top; - y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; - ty1 = borderValue + axisHalfWidth; - ty2 = me.top + tl; - } else if (position === 'left') { - borderValue = alignBorderValue(me.right); - tx1 = me.right - tl; - tx2 = borderValue - axisHalfWidth; - x1 = alignBorderValue(chartArea.left) + axisHalfWidth; - x2 = chartArea.right; - } else { - borderValue = alignBorderValue(me.left); - x1 = chartArea.left; - x2 = alignBorderValue(chartArea.right) - axisHalfWidth; - tx1 = borderValue + axisHalfWidth; - tx2 = me.left + tl; - } - - for (i = 0; i < ticksLength; ++i) { - tick = ticks[i] || {}; - - // autoskipper skipped this tick (#4635) - if (isNullOrUndef(tick.label) && i < ticks.length) { - continue; - } - - if (i === me.zeroLineIndex && options.offset === offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash || []; - borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0; - } else { - lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, i, 1); - lineColor = valueAtIndexOrDefault(gridLines.color, i, 'rgba(0,0,0,0.1)'); - borderDash = gridLines.borderDash || []; - borderDashOffset = gridLines.borderDashOffset || 0.0; - } - - lineValue = getPixelForGridLine(me, tick._index || i, offsetGridLines); - - // Skip if the pixel is out of the range - if (lineValue === undefined) { - continue; - } - - alignedLineValue = alignPixel(chart, lineValue, lineWidth); - - if (isHorizontal) { - tx1 = tx2 = x1 = x2 = alignedLineValue; - } else { - ty1 = ty2 = y1 = y2 = alignedLineValue; - } - - items.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - width: lineWidth, - color: lineColor, - borderDash: borderDash, - borderDashOffset: borderDashOffset, - }); - } - - items.ticksLength = ticksLength; - items.borderValue = borderValue; - - return items; - }, - - /** - * @private - */ - _computeLabelItems: function () { - var me = this; - var options = me.options; - var optionTicks = options.ticks; - var position = options.position; - var isMirrored = optionTicks.mirror; - var isHorizontal = me.isHorizontal(); - var ticks = me._ticksToDraw; - var fonts = parseTickFontOptions(optionTicks); - var tickPadding = optionTicks.padding; - var tl = getTickMarkLength(options.gridLines); - var rotation = -helpers$1.toRadians(me.labelRotation); - var items = []; - var i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; - - if (position === 'top') { - y = me.bottom - tl - tickPadding; - textAlign = !rotation ? 'center' : 'left'; - } else if (position === 'bottom') { - y = me.top + tl + tickPadding; - textAlign = !rotation ? 'center' : 'right'; - } else if (position === 'left') { - x = me.right - (isMirrored ? 0 : tl) - tickPadding; - textAlign = isMirrored ? 'left' : 'right'; - } else { - x = me.left + (isMirrored ? 0 : tl) + tickPadding; - textAlign = isMirrored ? 'right' : 'left'; - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - tick = ticks[i]; - label = tick.label; - - // autoskipper skipped this tick (#4635) - if (isNullOrUndef(label)) { - continue; - } - - pixel = me.getPixelForTick(tick._index || i) + optionTicks.labelOffset; - font = tick.major ? fonts.major : fonts.minor; - lineHeight = font.lineHeight; - lineCount = isArray(label) ? label.length : 1; - - if (isHorizontal) { - x = pixel; - textOffset = position === 'top' - ? ((!rotation ? 0.5 : 1) - lineCount) * lineHeight - : (!rotation ? 0.5 : 0) * lineHeight; - } else { - y = pixel; - textOffset = (1 - lineCount) * lineHeight / 2; - } - - items.push({ - x: x, - y: y, - rotation: rotation, - label: label, - font: font, - textOffset: textOffset, - textAlign: textAlign - }); - } - - return items; - }, - - /** - * @private - */ - _drawGrid: function (chartArea) { - var me = this; - var gridLines = me.options.gridLines; - - if (!gridLines.display) { - return; - } - - var ctx = me.ctx; - var chart = me.chart; - var alignPixel = helpers$1._alignPixel; - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea)); - var width, color, i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - width = item.width; - color = item.color; - - if (width && color) { - ctx.save(); - ctx.lineWidth = width; - ctx.strokeStyle = color; - if (ctx.setLineDash) { - ctx.setLineDash(item.borderDash); - ctx.lineDashOffset = item.borderDashOffset; - } - - ctx.beginPath(); - - if (gridLines.drawTicks) { - ctx.moveTo(item.tx1, item.ty1); - ctx.lineTo(item.tx2, item.ty2); - } - - if (gridLines.drawOnChartArea) { - ctx.moveTo(item.x1, item.y1); - ctx.lineTo(item.x2, item.y2); - } - - ctx.stroke(); - ctx.restore(); - } - } - - if (axisWidth) { - // Draw the line at the edge of the axis - var firstLineWidth = axisWidth; - var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, items.ticksLength - 1, 1); - var borderValue = items.borderValue; - var x1, x2, y1, y2; - - if (me.isHorizontal()) { - x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2; - x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2; - y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - - ctx.lineWidth = axisWidth; - ctx.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0); - ctx.beginPath(); - ctx.moveTo(x1, y1); - ctx.lineTo(x2, y2); - ctx.stroke(); - } - }, - - /** - * @private - */ - _drawLabels: function () { - var me = this; - var optionTicks = me.options.ticks; - - if (!optionTicks.display) { - return; - } - - var ctx = me.ctx; - var items = me._labelItems || (me._labelItems = me._computeLabelItems()); - var i, j, ilen, jlen, item, tickFont, label, y; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - tickFont = item.font; - - // Make sure we draw text in the correct color and font - ctx.save(); - ctx.translate(item.x, item.y); - ctx.rotate(item.rotation); - ctx.font = tickFont.string; - ctx.fillStyle = tickFont.color; - ctx.textBaseline = 'middle'; - ctx.textAlign = item.textAlign; - - label = item.label; - y = item.textOffset; - if (isArray(label)) { - for (j = 0, jlen = label.length; j < jlen; ++j) { - // We just make sure the multiline element is a string here.. - ctx.fillText('' + label[j], 0, y); - y += tickFont.lineHeight; - } - } else { - ctx.fillText(label, 0, y); - } - ctx.restore(); - } - }, - - /** - * @private - */ - _drawTitle: function () { - var me = this; - var ctx = me.ctx; - var options = me.options; - var scaleLabel = options.scaleLabel; - - if (!scaleLabel.display) { - return; - } - - var scaleLabelFontColor = valueOrDefault$a(scaleLabel.fontColor, core_defaults.global.defaultFontColor); - var scaleLabelFont = helpers$1.options._parseFont(scaleLabel); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding); - var halfLineHeight = scaleLabelFont.lineHeight / 2; - var position = options.position; - var rotation = 0; - var scaleLabelX, scaleLabelY; - - if (me.isHorizontal()) { - scaleLabelX = me.left + me.width / 2; // midpoint of the width - scaleLabelY = position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + me.height / 2; - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - ctx.save(); - ctx.translate(scaleLabelX, scaleLabelY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = scaleLabelFontColor; // render in correct colour - ctx.font = scaleLabelFont.string; - ctx.fillText(scaleLabel.labelString, 0, 0); - ctx.restore(); - }, - - draw: function (chartArea) { - var me = this; - - if (!me._isVisible()) { - return; - } - - me._drawGrid(chartArea); - me._drawTitle(); - me._drawLabels(); - }, - - /** - * @private - */ - _layers: function () { - var me = this; - var opts = me.options; - var tz = opts.ticks && opts.ticks.z || 0; - var gz = opts.gridLines && opts.gridLines.z || 0; - - if (!me._isVisible() || tz === gz || me.draw !== me._draw) { - // backward compatibility: draw has been overridden by custom scale - return [{ - z: tz, - draw: function () { - me.draw.apply(me, arguments); - } - }]; - } - - return [{ - z: gz, - draw: function () { - me._drawGrid.apply(me, arguments); - me._drawTitle.apply(me, arguments); - } - }, { - z: tz, - draw: function () { - me._drawLabels.apply(me, arguments); - } - }]; - }, - - /** - * @private - */ - _getMatchingVisibleMetas: function (type) { - var me = this; - var isHorizontal = me.isHorizontal(); - return me.chart._getSortedVisibleDatasetMetas() - .filter(function (meta) { - return (!type || meta.type === type) - && (isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id); - }); - } - }); - - Scale.prototype._draw = Scale.prototype.draw; - - var core_scale = Scale; - - var isNullOrUndef$1 = helpers$1.isNullOrUndef; - - var defaultConfig = { - position: 'bottom' - }; - - var scale_category = core_scale.extend({ - determineDataLimits: function () { - var me = this; - var labels = me._getLabels(); - var ticksOpts = me.options.ticks; - var min = ticksOpts.min; - var max = ticksOpts.max; - var minIndex = 0; - var maxIndex = labels.length - 1; - var findIndex; - - if (min !== undefined) { - // user specified min value - findIndex = labels.indexOf(min); - if (findIndex >= 0) { - minIndex = findIndex; - } - } - - if (max !== undefined) { - // user specified max value - findIndex = labels.indexOf(max); - if (findIndex >= 0) { - maxIndex = findIndex; - } - } - - me.minIndex = minIndex; - me.maxIndex = maxIndex; - me.min = labels[minIndex]; - me.max = labels[maxIndex]; - }, - - buildTicks: function () { - var me = this; - var labels = me._getLabels(); - var minIndex = me.minIndex; - var maxIndex = me.maxIndex; - - // If we are viewing some subset of labels, slice the original array - me.ticks = (minIndex === 0 && maxIndex === labels.length - 1) ? labels : labels.slice(minIndex, maxIndex + 1); - }, - - getLabelForIndex: function (index, datasetIndex) { - var me = this; - var chart = me.chart; - - if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) { - return me.getRightValue(chart.data.datasets[datasetIndex].data[index]); - } - - return me._getLabels()[index]; - }, - - _configure: function () { - var me = this; - var offset = me.options.offset; - var ticks = me.ticks; - - core_scale.prototype._configure.call(me); - - if (!me.isHorizontal()) { - // For backward compatibility, vertical category scale reverse is inverted. - me._reversePixels = !me._reversePixels; - } - - if (!ticks) { - return; - } - - me._startValue = me.minIndex - (offset ? 0.5 : 0); - me._valueRange = Math.max(ticks.length - (offset ? 0 : 1), 1); - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function (value, index, datasetIndex) { - var me = this; - var valueCategory, labels, idx; - - if (!isNullOrUndef$1(index) && !isNullOrUndef$1(datasetIndex)) { - value = me.chart.data.datasets[datasetIndex].data[index]; - } - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - if (!isNullOrUndef$1(value)) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - labels = me._getLabels(); - value = helpers$1.valueOrDefault(valueCategory, value); - idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - if (isNaN(index)) { - index = value; - } - } - return me.getPixelForDecimal((index - me._startValue) / me._valueRange); - }, - - getPixelForTick: function (index) { - var ticks = this.ticks; - return index < 0 || index > ticks.length - 1 - ? null - : this.getPixelForValue(ticks[index], index + this.minIndex); - }, - - getValueForPixel: function (pixel) { - var me = this; - var value = Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange); - return Math.min(Math.max(value, 0), me.ticks.length - 1); - }, - - getBasePixel: function () { - return this.bottom; - } - }); - -// INTERNAL: static default options, registered in src/index.js - var _defaults = defaultConfig; - scale_category._defaults = _defaults; - - var noop = helpers$1.noop; - var isNullOrUndef$2 = helpers$1.isNullOrUndef; - - /** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ - function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var MIN_SPACING = 1e-14; - var stepSize = generationOptions.stepSize; - var unit = stepSize || 1; - var maxNumSpaces = generationOptions.maxTicks - 1; - var min = generationOptions.min; - var max = generationOptions.max; - var precision = generationOptions.precision; - var rmin = dataRange.min; - var rmax = dataRange.max; - var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit; - var factor, niceMin, niceMax, numSpaces; - - // Beyond MIN_SPACING floating point numbers being to lose precision - // such that we can't do the math necessary to generate ticks - if (spacing < MIN_SPACING && isNullOrUndef$2(min) && isNullOrUndef$2(max)) { - return [rmin, rmax]; - } - - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxNumSpaces) { - // If the calculated num of spaces exceeds maxNumSpaces, recalculate it - spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit; - } - - if (stepSize || isNullOrUndef$2(precision)) { - // If a precision is not specified, calculate factor based on spacing - factor = Math.pow(10, helpers$1._decimalPlaces(spacing)); - } else { - // If the user specified a precision, round to that number of decimal places - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (stepSize) { - // If very close to our whole number, use it. - if (!isNullOrUndef$2(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) { - niceMin = min; - } - if (!isNullOrUndef$2(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) { - niceMax = max; - } - } - - numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - ticks.push(isNullOrUndef$2(min) ? niceMin : min); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * factor) / factor); - } - ticks.push(isNullOrUndef$2(max) ? niceMax : max); - - return ticks; - } - - var scale_linearbase = core_scale.extend({ - getRightValue: function (value) { - if (typeof value === 'string') { - return +value; - } - return core_scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers$1.sign(me.min); - var maxSign = helpers$1.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - - getTickLimit: function () { - var me = this; - var tickOpts = me.options.ticks; - var stepSize = tickOpts.stepSize; - var maxTicksLimit = tickOpts.maxTicksLimit; - var maxTicks; - - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me._computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - - return maxTicks; - }, - - _computeTickLimit: function () { - return Number.POSITIVE_INFINITY; - }, - - handleDirectionalChanges: noop, - - buildTicks: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 40 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - precision: tickOpts.precision, - stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - - convertTicksToLabels: function () { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - core_scale.prototype.convertTicksToLabels.call(me); - }, - - _configure: function () { - var me = this; - var ticks = me.getTicks(); - var start = me.min; - var end = me.max; - var offset; - - core_scale.prototype._configure.call(me); - - if (me.options.offset && ticks.length) { - offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; - start -= offset; - end += offset; - } - me._startValue = start; - me._endValue = end; - me._valueRange = end - start; - } - }); - - var defaultConfig$1 = { - position: 'left', - ticks: { - callback: core_ticks.formatters.linear - } - }; - - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function getOrCreateStack(stacks, stacked, meta) { - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - stacked === undefined && meta.stack === undefined ? meta.index : '', - meta.stack - ].join('.'); - - if (stacks[key] === undefined) { - stacks[key] = { - pos: [], - neg: [] - }; - } - - return stacks[key]; - } - - function stackData(scale, stacks, meta, data) { - var opts = scale.options; - var stacked = opts.stacked; - var stack = getOrCreateStack(stacks, stacked, meta); - var pos = stack.pos; - var neg = stack.neg; - var ilen = data.length; - var i, value; - - for (i = 0; i < ilen; ++i) { - value = scale._parseValue(data[i]); - if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) { - continue; - } - - pos[i] = pos[i] || 0; - neg[i] = neg[i] || 0; - - if (opts.relativePoints) { - pos[i] = 100; - } else if (value.min < 0 || value.max < 0) { - neg[i] += value.min; - } else { - pos[i] += value.max; - } - } - } - - function updateMinMax(scale, meta, data) { - var ilen = data.length; - var i, value; - - for (i = 0; i < ilen; ++i) { - value = scale._parseValue(data[i]); - if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) { - continue; - } - - scale.min = Math.min(scale.min, value.min); - scale.max = Math.max(scale.max, value.max); - } - } - - var scale_linear = scale_linearbase.extend({ - determineDataLimits: function () { - var me = this; - var opts = me.options; - var chart = me.chart; - var datasets = chart.data.datasets; - var metasets = me._getMatchingVisibleMetas(); - var hasStacks = opts.stacked; - var stacks = {}; - var ilen = metasets.length; - var i, meta, data, values; - - me.min = Number.POSITIVE_INFINITY; - me.max = Number.NEGATIVE_INFINITY; - - if (hasStacks === undefined) { - for (i = 0; !hasStacks && i < ilen; ++i) { - meta = metasets[i]; - hasStacks = meta.stack !== undefined; - } - } - - for (i = 0; i < ilen; ++i) { - meta = metasets[i]; - data = datasets[meta.index].data; - if (hasStacks) { - stackData(me, stacks, meta, data); - } else { - updateMinMax(me, meta, data); - } - } - - helpers$1.each(stacks, function (stackValues) { - values = stackValues.pos.concat(stackValues.neg); - me.min = Math.min(me.min, helpers$1.min(values)); - me.max = Math.max(me.max, helpers$1.max(values)); - }); - - me.min = helpers$1.isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = helpers$1.isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function () { - var me = this; - var tickFont; - - if (me.isHorizontal()) { - return Math.ceil(me.width / 40); - } - tickFont = helpers$1.options._parseFont(me.options.ticks); - return Math.ceil(me.height / tickFont.lineHeight); - }, - - // Called after the ticks are built. We need - handleDirectionalChanges: function () { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - - getLabelForIndex: function (index, datasetIndex) { - return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]); - }, - - // Utils - getPixelForValue: function (value) { - var me = this; - return me.getPixelForDecimal((+me.getRightValue(value) - me._startValue) / me._valueRange); - }, - - getValueForPixel: function (pixel) { - return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; - }, - - getPixelForTick: function (index) { - var ticks = this.ticksAsNumbers; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return this.getPixelForValue(ticks[index]); - } - }); - -// INTERNAL: static default options, registered in src/index.js - var _defaults$1 = defaultConfig$1; - scale_linear._defaults = _defaults$1; - - var valueOrDefault$b = helpers$1.valueOrDefault; - var log10 = helpers$1.math.log10; - - /** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ - function generateTicks$1(generationOptions, dataRange) { - var ticks = []; - - var tickVal = valueOrDefault$b(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min)))); - - var endExp = Math.floor(log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault$b(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; - } - - var defaultConfig$2 = { - position: 'left', - - // label settings - ticks: { - callback: core_ticks.formatters.logarithmic - } - }; - -// TODO(v3): change this to positiveOrDefault - function nonNegativeOrDefault(value, defaultValue) { - return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue; - } - - var scale_logarithmic = core_scale.extend({ - determineDataLimits: function () { - var me = this; - var opts = me.options; - var chart = me.chart; - var datasets = chart.data.datasets; - var isHorizontal = me.isHorizontal(); - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - var datasetIndex, meta, value, data, i, ilen; - - // Calculate Range - me.min = Number.POSITIVE_INFINITY; - me.max = Number.NEGATIVE_INFINITY; - me.minNotZero = Number.POSITIVE_INFINITY; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) { - meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - break; - } - } - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) { - meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - data = datasets[datasetIndex].data; - for (i = 0, ilen = data.length; i < ilen; i++) { - var values = valuesPerStack[key]; - value = me._parseValue(data[i]); - // invalid, hidden and negative values are ignored - if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) { - continue; - } - values[i] = values[i] || 0; - values[i] += value.max; - } - } - } - - helpers$1.each(valuesPerStack, function (valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers$1.min(valuesForType); - var maxVal = helpers$1.max(valuesForType); - me.min = Math.min(me.min, minVal); - me.max = Math.max(me.max, maxVal); - } - }); - - } else { - for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) { - meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - data = datasets[datasetIndex].data; - for (i = 0, ilen = data.length; i < ilen; i++) { - value = me._parseValue(data[i]); - // invalid, hidden and negative values are ignored - if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) { - continue; - } - - me.min = Math.min(value.min, me.min); - me.max = Math.max(value.max, me.max); - - if (value.min !== 0) { - me.minNotZero = Math.min(value.min, me.minNotZero); - } - } - } - } - } - - me.min = helpers$1.isFinite(me.min) ? me.min : null; - me.max = helpers$1.isFinite(me.max) ? me.max : null; - me.minNotZero = helpers$1.isFinite(me.minNotZero) ? me.minNotZero : null; - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - - handleTickRangeOptions: function () { - var me = this; - var tickOpts = me.options.ticks; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = nonNegativeOrDefault(tickOpts.min, me.min); - me.max = nonNegativeOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - - buildTicks: function () { - var me = this; - var tickOpts = me.options.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: nonNegativeOrDefault(tickOpts.min), - max: nonNegativeOrDefault(tickOpts.max) - }; - var ticks = me.ticks = generateTicks$1(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - - convertTicksToLabels: function () { - this.tickValues = this.ticks.slice(); - - core_scale.prototype.convertTicksToLabels.call(this); - }, - - // Get the correct tooltip label - getLabelForIndex: function (index, datasetIndex) { - return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]); - }, - - getPixelForTick: function (index) { - var ticks = this.tickValues; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return this.getPixelForValue(ticks[index]); - }, - - /** - * Returns the value of the first tick. - * @param {number} value - The minimum not zero value. - * @return {number} The first tick value. - * @private - */ - _getFirstTickValue: function (value) { - var exp = Math.floor(log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - - _configure: function () { - var me = this; - var start = me.min; - var offset = 0; - - core_scale.prototype._configure.call(me); - - if (start === 0) { - start = me._getFirstTickValue(me.minNotZero); - offset = valueOrDefault$b(me.options.ticks.fontSize, core_defaults.global.defaultFontSize) / me._length; - } - - me._startValue = log10(start); - me._valueOffset = offset; - me._valueRange = (log10(me.max) - log10(start)) / (1 - offset); - }, - - getPixelForValue: function (value) { - var me = this; - var decimal = 0; - - value = +me.getRightValue(value); - - if (value > me.min && value > 0) { - decimal = (log10(value) - me._startValue) / me._valueRange + me._valueOffset; - } - return me.getPixelForDecimal(decimal); - }, - - getValueForPixel: function (pixel) { - var me = this; - var decimal = me.getDecimalForPixel(pixel); - return decimal === 0 && me.min === 0 - ? 0 - : Math.pow(10, me._startValue + (decimal - me._valueOffset) * me._valueRange); - } - }); - -// INTERNAL: static default options, registered in src/index.js - var _defaults$2 = defaultConfig$2; - scale_logarithmic._defaults = _defaults$2; - - var valueOrDefault$c = helpers$1.valueOrDefault; - var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault; - var resolve$4 = helpers$1.options.resolve; - - var defaultConfig$3 = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0,0,0,0.1)', - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: core_ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function (label) { - return label; - } - } - }; - - function getTickBackdropHeight(opts) { - var tickOpts = opts.ticks; - - if (tickOpts.display && opts.display) { - return valueOrDefault$c(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2; - } - return 0; - } - - function measureLabelSize(ctx, lineHeight, label) { - if (helpers$1.isArray(label)) { - return { - w: helpers$1.longestText(ctx, ctx.font, label), - h: label.length * lineHeight - }; - } - - return { - w: ctx.measureText(label).width, - h: lineHeight - }; - } - - function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - - return { - start: pos, - end: pos + size - }; - } - - /** - * Helper function to fit a radial linear scale with point labels - */ - function fitWithPointLabels(scale) { - - // Right, this is really confusing and there is a lot of maths going on here - // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - // - // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - // - // Solution: - // - // We assume the radius of the polygon is half the size of the canvas at first - // at each index we check if the text overlaps. - // - // Where it does, we store that angle and that index. - // - // After finding the largest index and angle we calculate how much we need to remove - // from the shape radius to move the point inwards by that x. - // - // We average the left and right distances to get the maximum shape radius that can fit in the box - // along with labels. - // - // Once we have that, we can find the centre point for the chart, by taking the x text protrusion - // on each side, removing that from the size, halving it and adding the left x protrusion width. - // - // This will mean we have a shape fitted to the canvas, as large as it can be with the labels - // and position it in the most space efficient manner - // - // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - - var plFont = helpers$1.options._parseFont(scale.options.pointLabels); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.string; - scale._pointLabelSizes = []; - - var valueCount = scale.chart.data.labels.length; - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, scale.drawingArea + 5); - textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i]); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles); - } - - function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; - } - - function fillText(ctx, text, position, lineHeight) { - var y = position.y + lineHeight / 2; - var i, ilen; - - if (helpers$1.isArray(text)) { - for (i = 0, ilen = text.length; i < ilen; ++i) { - ctx.fillText(text[i], position.x, y); - y += lineHeight; - } - } else { - ctx.fillText(text, position.x, y); - } - } - - function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } - } - - function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var pointLabelOpts = opts.pointLabels; - var tickBackdropHeight = getTickBackdropHeight(opts); - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - var plFont = helpers$1.options._parseFont(pointLabelOpts); - - ctx.save(); - - ctx.font = plFont.string; - ctx.textBaseline = 'middle'; - - for (var i = scale.chart.data.labels.length - 1; i >= 0; i--) { - // Extra pixels out for some label spacing - var extra = (i === 0 ? tickBackdropHeight / 2 : 0); - var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor); - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i], pointLabelPosition, plFont.lineHeight); - } - ctx.restore(); - } - - function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - var circular = gridLineOpts.circular; - var valueCount = scale.chart.data.labels.length; - var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1); - var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1); - var pointPosition; - - if ((!circular && !valueCount) || !lineColor || !lineWidth) { - return; - } - - ctx.save(); - ctx.strokeStyle = lineColor; - ctx.lineWidth = lineWidth; - if (ctx.setLineDash) { - ctx.setLineDash(gridLineOpts.borderDash || []); - ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0; - } - - ctx.beginPath(); - if (circular) { - // Draw circular arcs between the points - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - } else { - // Draw straight lines connecting each index - pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } - ctx.closePath(); - ctx.stroke(); - ctx.restore(); - } - - function numberOrZero(param) { - return helpers$1.isNumber(param) ? param : 0; - } - - var scale_radialLinear = scale_linearbase.extend({ - setDimensions: function () { - var me = this; - - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - }, - - determineDataLimits: function () { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers$1.each(chart.data.datasets, function (dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers$1.each(dataset.data, function (rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function () { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - }, - - convertTicksToLabels: function () { - var me = this; - - scale_linearbase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(function () { - var label = helpers$1.callback(me.options.pointLabels.callback, arguments, me); - return label || label === 0 ? label : ''; - }); - }, - - getLabelForIndex: function (index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - fit: function () { - var me = this; - var opts = me.options; - - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - }, - - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function (largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - - setCenterPoint: function (leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - }, - - getIndexAngle: function (index) { - var chart = this.chart; - var angleMultiplier = 360 / chart.data.labels.length; - var options = chart.options || {}; - var startAngle = options.startAngle || 0; - - // Start from the top instead of right, so remove a quarter of the circle - var angle = (index * angleMultiplier + startAngle) % 360; - - return (angle < 0 ? angle + 360 : angle) * Math.PI * 2 / 360; - }, - - getDistanceFromCenterForValue: function (value) { - var me = this; - - if (helpers$1.isNullOrUndef(value)) { - return NaN; - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - - getPointPosition: function (index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter, - y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter - }; - }, - - getPointPositionForValue: function (index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function (index) { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(index || 0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - /** - * @private - */ - _drawGrid: function () { - var me = this; - var ctx = me.ctx; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var angleLineOpts = opts.angleLines; - var lineWidth = valueOrDefault$c(angleLineOpts.lineWidth, gridLineOpts.lineWidth); - var lineColor = valueOrDefault$c(angleLineOpts.color, gridLineOpts.color); - var i, offset, position; - - if (opts.pointLabels.display) { - drawPointLabels(me); - } - - if (gridLineOpts.display) { - helpers$1.each(me.ticks, function (label, index) { - if (index !== 0) { - offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - drawRadiusLine(me, gridLineOpts, offset, index); - } - }); - } - - if (angleLineOpts.display && lineWidth && lineColor) { - ctx.save(); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = lineColor; - if (ctx.setLineDash) { - ctx.setLineDash(resolve$4([angleLineOpts.borderDash, gridLineOpts.borderDash, []])); - ctx.lineDashOffset = resolve$4([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]); - } - - for (i = me.chart.data.labels.length - 1; i >= 0; i--) { - offset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max); - position = me.getPointPosition(i, offset); - ctx.beginPath(); - ctx.moveTo(me.xCenter, me.yCenter); - ctx.lineTo(position.x, position.y); - ctx.stroke(); - } - - ctx.restore(); - } - }, - - /** - * @private - */ - _drawLabels: function () { - var me = this; - var ctx = me.ctx; - var opts = me.options; - var tickOpts = opts.ticks; - - if (!tickOpts.display) { - return; - } - - var startAngle = me.getIndexAngle(0); - var tickFont = helpers$1.options._parseFont(tickOpts); - var tickFontColor = valueOrDefault$c(tickOpts.fontColor, core_defaults.global.defaultFontColor); - var offset, width; - - ctx.save(); - ctx.font = tickFont.string; - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - helpers$1.each(me.ticks, function (label, index) { - if (index === 0 && !tickOpts.reverse) { - return; - } - - offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - if (tickOpts.showLabelBackdrop) { - width = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - - ctx.fillRect( - -width / 2 - tickOpts.backdropPaddingX, - -offset - tickFont.size / 2 - tickOpts.backdropPaddingY, - width + tickOpts.backdropPaddingX * 2, - tickFont.size + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -offset); - }); - - ctx.restore(); - }, - - /** - * @private - */ - _drawTitle: helpers$1.noop - }); - -// INTERNAL: static default options, registered in src/index.js - var _defaults$3 = defaultConfig$3; - scale_radialLinear._defaults = _defaults$3; - - var deprecated$1 = helpers$1._deprecated; - var resolve$5 = helpers$1.options.resolve; - var valueOrDefault$d = helpers$1.valueOrDefault; - -// Integer constants are from the ES6 spec. - var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; - var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - - var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: 1000 - }, - second: { - common: true, - size: 1000, - steps: 60 - }, - minute: { - common: true, - size: 60000, - steps: 60 - }, - hour: { - common: true, - size: 3600000, - steps: 24 - }, - day: { - common: true, - size: 86400000, - steps: 30 - }, - week: { - common: false, - size: 604800000, - steps: 4 - }, - month: { - common: true, - size: 2.628e9, - steps: 12 - }, - quarter: { - common: false, - size: 7.884e9, - steps: 4 - }, - year: { - common: true, - size: 3.154e10 - } - }; - - var UNITS = Object.keys(INTERVALS); - - function sorter(a, b) { - return a - b; - } - - function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; - } - - function getMin(options) { - return helpers$1.valueOrDefault(options.time.min, options.ticks.min); - } - - function getMax(options) { - return helpers$1.valueOrDefault(options.time.max, options.ticks.max); - } - - /** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {number[]} timestamps - timestamps sorted from lowest to highest. - * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ - function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } - } - - return table; - } - -// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ - function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return {lo: null, hi: i1}; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return {lo: i0, hi: i1}; - } - } - - // given value is outside table (after last item) - return {lo: i1, hi: null}; - } - - /** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ - function interpolate$1(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; - } - - function toTimestamp(scale, input) { - var adapter = scale._adapter; - var options = scale.options.time; - var parser = options.parser; - var format = parser || options.format; - var value = input; - - if (typeof parser === 'function') { - value = parser(value); - } - - // Only parse if its not a timestamp already - if (!helpers$1.isFinite(value)) { - value = typeof format === 'string' - ? adapter.parse(value, format) - : adapter.parse(value); - } - - if (value !== null) { - return +value; - } - - // Labels are in an incompatible format and no `parser` has been provided. - // The user might still use the deprecated `format` option for parsing. - if (!parser && typeof format === 'function') { - value = format(input); - - // `format` could return something else than a timestamp, if so, parse it - if (!helpers$1.isFinite(value)) { - value = adapter.parse(value); - } - } - - return value; - } - - function parse(scale, input) { - if (helpers$1.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = toTimestamp(scale, scale.getRightValue(input)); - if (value === null) { - return value; - } - - if (options.round) { - value = +scale._adapter.startOf(value, options.round); - } - - return value; - } - - /** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ - function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; - } - - /** - * Figures out what unit to format a set of ticks with - */ - function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { - var i, unit; - - for (i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; - } - - function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } - } - - /** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ - function generate(scale, min, max, capacity) { - var adapter = scale._adapter; - var options = scale.options; - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var stepSize = resolve$5([timeOpts.stepSize, timeOpts.unitStepSize, 1]); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var first = min; - var ticks = []; - var time; - - // For 'week' unit, handle the first day of week option - if (weekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - } - - // Align first ticks on unit - first = +adapter.startOf(first, weekday ? 'day' : minor); - - // Prevent browser from freezing in case user options request millions of milliseconds - if (adapter.diff(max, min, minor) > 100000 * stepSize) { - throw min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor; - } - - for (time = first; time < max; time = +adapter.add(time, stepSize, minor)) { - ticks.push(time); - } - - if (time === max || options.bounds === 'ticks') { - ticks.push(time); - } - - return ticks; - } - - /** - * Returns the start and end offsets from edges in the form of {start, end} - * where each value is a relative width to the scale and ranges between 0 and 1. - * They add extra margins on the both sides by scaling down the original scale. - * Offsets are added when the `offset` option is true. - */ - function computeOffsets(table, ticks, min, max, options) { - var start = 0; - var end = 0; - var first, last; - - if (options.offset && ticks.length) { - first = interpolate$1(table, 'time', ticks[0], 'pos'); - if (ticks.length === 1) { - start = 1 - first; - } else { - start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2; - } - last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos'); - if (ticks.length === 1) { - end = last; - } else { - end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2; - } - } - - return {start: start, end: end, factor: 1 / (start + 1 + end)}; - } - - function setMajorTicks(scale, ticks, map, majorUnit) { - var adapter = scale._adapter; - var first = +adapter.startOf(ticks[0].value, majorUnit); - var last = ticks[ticks.length - 1].value; - var major, index; - - for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { - index = map[major]; - if (index >= 0) { - ticks[index].major = true; - } - } - return ticks; - } - - function ticksFromTimestamps(scale, values, majorUnit) { - var ticks = []; - var map = {}; - var ilen = values.length; - var i, value; - - for (i = 0; i < ilen; ++i) { - value = values[i]; - map[value] = i; - - ticks.push({ - value: value, - major: false - }); - } - - // We set the major ticks separately from the above loop because calling startOf for every tick - // is expensive when there is a large number of ticks - return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit); - } - - var defaultConfig$4 = { - position: 'bottom', - - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', - - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', - - adapters: {}, - time: { - parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - autoSkip: false, - - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', - - major: { - enabled: false - } - } - }; - - var scale_time = core_scale.extend({ - initialize: function () { - this.mergeTicksOptions(); - core_scale.prototype.initialize.call(this); - }, - - update: function () { - var me = this; - var options = me.options; - var time = options.time || (options.time = {}); - var adapter = me._adapter = new core_adapters._date(options.adapters.date); - - // DEPRECATIONS: output a message only one time per update - deprecated$1('time scale', time.format, 'time.format', 'time.parser'); - deprecated$1('time scale', time.min, 'time.min', 'ticks.min'); - deprecated$1('time scale', time.max, 'time.max', 'ticks.max'); - - // Backward compatibility: before introducing adapter, `displayFormats` was - // supposed to contain *all* unit/string pairs but this can't be resolved - // when loading the scale (adapters are loaded afterward), so let's populate - // missing formats on update - helpers$1.mergeIf(time.displayFormats, adapter.formats()); - - return core_scale.prototype.update.apply(me, arguments); - }, - - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function (rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return core_scale.prototype.getRightValue.call(this, rawValue); - }, - - determineDataLimits: function () { - var me = this; - var chart = me.chart; - var adapter = me._adapter; - var options = me.options; - var unit = options.time.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp, labelsAdded; - var dataLabels = me._getLabels(); - - for (i = 0, ilen = dataLabels.length; i < ilen; ++i) { - labels.push(parse(me, dataLabels[i])); - } - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers$1.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(me, data[j]); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - datasets[i] = labels.slice(0); - if (!labelsAdded) { - timestamps = timestamps.concat(labels); - labelsAdded = true; - } - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = ilen > 1 ? arrayUnique(timestamps).sort(sorter) : timestamps.sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(me, getMin(options)) || min; - max = parse(me, getMax(options)) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min; - max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function () { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var tickOpts = options.ticks; - var timeOpts = options.time; - var timestamps = me._timestamps; - var ticks = []; - var capacity = me.getLabelCapacity(min); - var source = tickOpts.source; - var distribution = options.distribution; - var i, ilen, timestamp; - - if (source === 'data' || (source === 'auto' && distribution === 'series')) { - timestamps = timestamps.data; - } else if (source === 'labels') { - timestamps = timestamps.labels; - } else { - timestamps = generate(me, min, max, capacity); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(me, getMin(options)) || min; - max = parse(me, getMax(options)) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - // determineUnitForFormatting relies on the number of ticks so we don't use it when - // autoSkip is enabled because we don't yet know what the final number of ticks will be - me._unit = timeOpts.unit || (tickOpts.autoSkip - ? determineUnitForAutoTicks(timeOpts.minUnit, me.min, me.max, capacity) - : determineUnitForFormatting(me, ticks.length, timeOpts.minUnit, me.min, me.max)); - me._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined - : determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - - if (tickOpts.reverse) { - ticks.reverse(); - } - - return ticksFromTimestamps(me, ticks, me._majorUnit); - }, - - getLabelForIndex: function (index, datasetIndex) { - var me = this; - var adapter = me._adapter; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers$1.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function (time, index, ticks, format) { - var me = this; - var adapter = me._adapter; - var options = me.options; - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var tick = ticks[index]; - var tickOpts = options.ticks; - var major = majorUnit && majorFormat && tick && tick.major; - var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat); - var nestedTickOpts = major ? tickOpts.major : tickOpts.minor; - var formatter = resolve$5([ - nestedTickOpts.callback, - nestedTickOpts.userCallback, - tickOpts.callback, - tickOpts.userCallback - ]); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function (ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(ticks[i].value, i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function (time) { - var me = this; - var offsets = me._offsets; - var pos = interpolate$1(me._table, 'time', time, 'pos'); - return me.getPixelForDecimal((offsets.start + pos) * offsets.factor); - }, - - getPixelForValue: function (value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(me, value); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function (index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function (pixel) { - var me = this; - var offsets = me._offsets; - var pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end; - var time = interpolate$1(me._table, 'pos', pos, 'time'); - - // DEPRECATION, we should return time directly - return me._adapter._create(time); - }, - - /** - * @private - */ - _getLabelSize: function (label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers$1.toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = valueOrDefault$d(ticksOpts.fontSize, core_defaults.global.defaultFontSize); - - return { - w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation), - h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation) - }; - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function (label) { - return this._getLabelSize(label).w; - }, - - /** - * @private - */ - getLabelCapacity: function (exampleTime) { - var me = this; - var timeOpts = me.options.time; - var displayFormats = timeOpts.displayFormats; - - // pick the longest format (milliseconds) for guestimation - var format = displayFormats[timeOpts.unit] || displayFormats.millisecond; - var exampleLabel = me.tickFormatFunction(exampleTime, 0, ticksFromTimestamps(me, [exampleTime], me._majorUnit), format); - var size = me._getLabelSize(exampleLabel); - var capacity = Math.floor(me.isHorizontal() ? me.width / size.w : me.height / size.h); - - if (me.options.offset) { - capacity--; - } - - return capacity > 0 ? capacity : 1; - } - }); - -// INTERNAL: static default options, registered in src/index.js - var _defaults$4 = defaultConfig$4; - scale_time._defaults = _defaults$4; - - var scales = { - category: scale_category, - linear: scale_linear, - logarithmic: scale_logarithmic, - radialLinear: scale_radialLinear, - time: scale_time - }; - - var moment = createCommonjsModule(function (module, exports) { - (function (global, factory) { - module.exports = factory(); - }(commonjsGlobal, (function () { - var hookCallback; - - function hooks() { - return hookCallback.apply(null, arguments); - } - - // This is done to register the method called with moment() - // without creating circular dependencies. - function setHookCallback(callback) { - hookCallback = callback; - } - - function isArray(input) { - return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; - } - - function isObject(input) { - // IE8 will treat undefined and null as object if it wasn't for - // input != null - return input != null && Object.prototype.toString.call(input) === '[object Object]'; - } - - function isObjectEmpty(obj) { - if (Object.getOwnPropertyNames) { - return (Object.getOwnPropertyNames(obj).length === 0); - } else { - var k; - for (k in obj) { - if (obj.hasOwnProperty(k)) { - return false; - } - } - return true; - } - } - - function isUndefined(input) { - return input === void 0; - } - - function isNumber(input) { - return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; - } - - function isDate(input) { - return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; - } - - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; - } - - function hasOwnProp(a, b) { - return Object.prototype.hasOwnProperty.call(a, b); - } - - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } - - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } - - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } - - return a; - } - - function createUTC(input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, true).utc(); - } - - function defaultParsingFlags() { - // We need to deep clone this object. - return { - empty: false, - unusedTokens: [], - unusedInput: [], - overflow: -2, - charsLeftOver: 0, - nullInput: false, - invalidMonth: null, - invalidFormat: false, - userInvalidated: false, - iso: false, - parsedDateParts: [], - meridiem: null, - rfc2822: false, - weekdayMismatch: false - }; - } - - function getParsingFlags(m) { - if (m._pf == null) { - m._pf = defaultParsingFlags(); - } - return m._pf; - } - - var some; - if (Array.prototype.some) { - some = Array.prototype.some; - } else { - some = function (fun) { - var t = Object(this); - var len = t.length >>> 0; - - for (var i = 0; i < len; i++) { - if (i in t && fun.call(this, t[i], i, t)) { - return true; - } - } - - return false; - }; - } - - function isValid(m) { - if (m._isValid == null) { - var flags = getParsingFlags(m); - var parsedParts = some.call(flags.parsedDateParts, function (i) { - return i != null; - }); - var isNowValid = !isNaN(m._d.getTime()) && - flags.overflow < 0 && - !flags.empty && - !flags.invalidMonth && - !flags.invalidWeekday && - !flags.weekdayMismatch && - !flags.nullInput && - !flags.invalidFormat && - !flags.userInvalidated && - (!flags.meridiem || (flags.meridiem && parsedParts)); - - if (m._strict) { - isNowValid = isNowValid && - flags.charsLeftOver === 0 && - flags.unusedTokens.length === 0 && - flags.bigHour === undefined; - } - - if (Object.isFrozen == null || !Object.isFrozen(m)) { - m._isValid = isNowValid; - } else { - return isNowValid; - } - } - return m._isValid; - } - - function createInvalid(flags) { - var m = createUTC(NaN); - if (flags != null) { - extend(getParsingFlags(m), flags); - } else { - getParsingFlags(m).userInvalidated = true; - } - - return m; - } - - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - var momentProperties = hooks.momentProperties = []; - - function copyConfig(to, from) { - var i, prop, val; - - if (!isUndefined(from._isAMomentObject)) { - to._isAMomentObject = from._isAMomentObject; - } - if (!isUndefined(from._i)) { - to._i = from._i; - } - if (!isUndefined(from._f)) { - to._f = from._f; - } - if (!isUndefined(from._l)) { - to._l = from._l; - } - if (!isUndefined(from._strict)) { - to._strict = from._strict; - } - if (!isUndefined(from._tzm)) { - to._tzm = from._tzm; - } - if (!isUndefined(from._isUTC)) { - to._isUTC = from._isUTC; - } - if (!isUndefined(from._offset)) { - to._offset = from._offset; - } - if (!isUndefined(from._pf)) { - to._pf = getParsingFlags(from); - } - if (!isUndefined(from._locale)) { - to._locale = from._locale; - } - - if (momentProperties.length > 0) { - for (i = 0; i < momentProperties.length; i++) { - prop = momentProperties[i]; - val = from[prop]; - if (!isUndefined(val)) { - to[prop] = val; - } - } - } - - return to; - } - - var updateInProgress = false; - - // Moment prototype object - function Moment(config) { - copyConfig(this, config); - this._d = new Date(config._d != null ? config._d.getTime() : NaN); - if (!this.isValid()) { - this._d = new Date(NaN); - } - // Prevent infinite loop in case updateOffset creates new moment - // objects. - if (updateInProgress === false) { - updateInProgress = true; - hooks.updateOffset(this); - updateInProgress = false; - } - } - - function isMoment(obj) { - return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); - } - - function absFloor(number) { - if (number < 0) { - // -0 -> 0 - return Math.ceil(number) || 0; - } else { - return Math.floor(number); - } - } - - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; - - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - value = absFloor(coercedNumber); - } - - return value; - } - - // compare two arrays, return the number of differences - function compareArrays(array1, array2, dontConvert) { - var len = Math.min(array1.length, array2.length), - lengthDiff = Math.abs(array1.length - array2.length), - diffs = 0, - i; - for (i = 0; i < len; i++) { - if ((dontConvert && array1[i] !== array2[i]) || - (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { - diffs++; - } - } - return diffs + lengthDiff; - } - - function warn(msg) { - if (hooks.suppressDeprecationWarnings === false && - (typeof console !== 'undefined') && console.warn) { - console.warn('Deprecation warning: ' + msg); - } - } - - function deprecate(msg, fn) { - var firstTime = true; - - return extend(function () { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(null, msg); - } - if (firstTime) { - var args = []; - var arg; - for (var i = 0; i < arguments.length; i++) { - arg = ''; - if (typeof arguments[i] === 'object') { - arg += '\n[' + i + '] '; - for (var key in arguments[0]) { - arg += key + ': ' + arguments[0][key] + ', '; - } - arg = arg.slice(0, -2); // Remove trailing comma and space - } else { - arg = arguments[i]; - } - args.push(arg); - } - warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } - - var deprecations = {}; - - function deprecateSimple(name, msg) { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(name, msg); - } - if (!deprecations[name]) { - warn(msg); - deprecations[name] = true; - } - } - - hooks.suppressDeprecationWarnings = false; - hooks.deprecationHandler = null; - - function isFunction(input) { - return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; - } - - function set(config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (isFunction(prop)) { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - this._config = config; - // Lenient ordinal parsing accepts just a number in addition to - // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. - // TODO: Remove "ordinalParse" fallback in next major release. - this._dayOfMonthOrdinalParseLenient = new RegExp( - (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + - '|' + (/\d{1,2}/).source); - } - - function mergeConfigs(parentConfig, childConfig) { - var res = extend({}, parentConfig), prop; - for (prop in childConfig) { - if (hasOwnProp(childConfig, prop)) { - if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { - res[prop] = {}; - extend(res[prop], parentConfig[prop]); - extend(res[prop], childConfig[prop]); - } else if (childConfig[prop] != null) { - res[prop] = childConfig[prop]; - } else { - delete res[prop]; - } - } - } - for (prop in parentConfig) { - if (hasOwnProp(parentConfig, prop) && - !hasOwnProp(childConfig, prop) && - isObject(parentConfig[prop])) { - // make sure changes to properties don't modify parent config - res[prop] = extend({}, res[prop]); - } - } - return res; - } - - function Locale(config) { - if (config != null) { - this.set(config); - } - } - - var keys; - - if (Object.keys) { - keys = Object.keys; - } else { - keys = function (obj) { - var i, res = []; - for (i in obj) { - if (hasOwnProp(obj, i)) { - res.push(i); - } - } - return res; - }; - } - - var defaultCalendar = { - sameDay: '[Today at] LT', - nextDay: '[Tomorrow at] LT', - nextWeek: 'dddd [at] LT', - lastDay: '[Yesterday at] LT', - lastWeek: '[Last] dddd [at] LT', - sameElse: 'L' - }; - - function calendar(key, mom, now) { - var output = this._calendar[key] || this._calendar['sameElse']; - return isFunction(output) ? output.call(mom, now) : output; - } - - var defaultLongDateFormat = { - LTS: 'h:mm:ss A', - LT: 'h:mm A', - L: 'MM/DD/YYYY', - LL: 'MMMM D, YYYY', - LLL: 'MMMM D, YYYY h:mm A', - LLLL: 'dddd, MMMM D, YYYY h:mm A' - }; - - function longDateFormat(key) { - var format = this._longDateFormat[key], - formatUpper = this._longDateFormat[key.toUpperCase()]; - - if (format || !formatUpper) { - return format; - } - - this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { - return val.slice(1); - }); - - return this._longDateFormat[key]; - } - - var defaultInvalidDate = 'Invalid date'; - - function invalidDate() { - return this._invalidDate; - } - - var defaultOrdinal = '%d'; - var defaultDayOfMonthOrdinalParse = /\d{1,2}/; - - function ordinal(number) { - return this._ordinal.replace('%d', number); - } - - var defaultRelativeTime = { - future: 'in %s', - past: '%s ago', - s: 'a few seconds', - ss: '%d seconds', - m: 'a minute', - mm: '%d minutes', - h: 'an hour', - hh: '%d hours', - d: 'a day', - dd: '%d days', - M: 'a month', - MM: '%d months', - y: 'a year', - yy: '%d years' - }; - - function relativeTime(number, withoutSuffix, string, isFuture) { - var output = this._relativeTime[string]; - return (isFunction(output)) ? - output(number, withoutSuffix, string, isFuture) : - output.replace(/%d/i, number); - } - - function pastFuture(diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return isFunction(format) ? format(output) : format.replace(/%s/i, output); - } - - var aliases = {}; - - function addUnitAlias(unit, shorthand) { - var lowerCase = unit.toLowerCase(); - aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; - } - - function normalizeUnits(units) { - return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; - } - - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; - - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } - - return normalizedInput; - } - - var priorities = {}; - - function addUnitPriority(unit, priority) { - priorities[unit] = priority; - } - - function getPrioritizedUnits(unitsObj) { - var units = []; - for (var u in unitsObj) { - units.push({unit: u, priority: priorities[u]}); - } - units.sort(function (a, b) { - return a.priority - b.priority; - }); - return units; - } - - function zeroFill(number, targetLength, forceSign) { - var absNumber = '' + Math.abs(number), - zerosToFill = targetLength - absNumber.length, - sign = number >= 0; - return (sign ? (forceSign ? '+' : '') : '-') + - Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; - } - - var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; - - var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; - - var formatFunctions = {}; - - var formatTokenFunctions = {}; - - // token: 'M' - // padded: ['MM', 2] - // ordinal: 'Mo' - // callback: function () { this.month() + 1 } - function addFormatToken(token, padded, ordinal, callback) { - var func = callback; - if (typeof callback === 'string') { - func = function () { - return this[callback](); - }; - } - if (token) { - formatTokenFunctions[token] = func; - } - if (padded) { - formatTokenFunctions[padded[0]] = function () { - return zeroFill(func.apply(this, arguments), padded[1], padded[2]); - }; - } - if (ordinal) { - formatTokenFunctions[ordinal] = function () { - return this.localeData().ordinal(func.apply(this, arguments), token); - }; - } - } - - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); - } - - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; - - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } - - return function (mom) { - var output = '', i; - for (i = 0; i < length; i++) { - output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; - } - return output; - }; - } - - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } - - format = expandFormat(format, m.localeData()); - formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); - - return formatFunctions[format](m); - } - - function expandFormat(format, locale) { - var i = 5; - - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } - - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } - - return format; - } - - var match1 = /\d/; // 0 - 9 - var match2 = /\d\d/; // 00 - 99 - var match3 = /\d{3}/; // 000 - 999 - var match4 = /\d{4}/; // 0000 - 9999 - var match6 = /[+-]?\d{6}/; // -999999 - 999999 - var match1to2 = /\d\d?/; // 0 - 99 - var match3to4 = /\d\d\d\d?/; // 999 - 9999 - var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 - var match1to3 = /\d{1,3}/; // 0 - 999 - var match1to4 = /\d{1,4}/; // 0 - 9999 - var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 - - var matchUnsigned = /\d+/; // 0 - inf - var matchSigned = /[+-]?\d+/; // -inf - inf - - var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z - var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z - - var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 - - // any word (or two) characters or numbers including two/three word month in arabic. - // includes scottish gaelic two word and hyphenated months - var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; - - var regexes = {}; - - function addRegexToken(token, regex, strictRegex) { - regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { - return (isStrict && strictRegex) ? strictRegex : regex; - }; - } - - function getParseRegexForToken(token, config) { - if (!hasOwnProp(regexes, token)) { - return new RegExp(unescapeFormat(token)); - } - - return regexes[token](config._strict, config._locale); - } - - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function unescapeFormat(s) { - return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - })); - } - - function regexEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } - - var tokens = {}; - - function addParseToken(token, callback) { - var i, func = callback; - if (typeof token === 'string') { - token = [token]; - } - if (isNumber(callback)) { - func = function (input, array) { - array[callback] = toInt(input); - }; - } - for (i = 0; i < token.length; i++) { - tokens[token[i]] = func; - } - } - - function addWeekParseToken(token, callback) { - addParseToken(token, function (input, array, config, token) { - config._w = config._w || {}; - callback(input, config._w, config, token); - }); - } - - function addTimeToArrayFromToken(token, input, config) { - if (input != null && hasOwnProp(tokens, token)) { - tokens[token](input, config._a, config, token); - } - } - - var YEAR = 0; - var MONTH = 1; - var DATE = 2; - var HOUR = 3; - var MINUTE = 4; - var SECOND = 5; - var MILLISECOND = 6; - var WEEK = 7; - var WEEKDAY = 8; - - // FORMATTING - - addFormatToken('Y', 0, 0, function () { - var y = this.year(); - return y <= 9999 ? '' + y : '+' + y; - }); - - addFormatToken(0, ['YY', 2], 0, function () { - return this.year() % 100; - }); - - addFormatToken(0, ['YYYY', 4], 0, 'year'); - addFormatToken(0, ['YYYYY', 5], 0, 'year'); - addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); - - // ALIASES - - addUnitAlias('year', 'y'); - - // PRIORITIES - - addUnitPriority('year', 1); - - // PARSING - - addRegexToken('Y', matchSigned); - addRegexToken('YY', match1to2, match2); - addRegexToken('YYYY', match1to4, match4); - addRegexToken('YYYYY', match1to6, match6); - addRegexToken('YYYYYY', match1to6, match6); - - addParseToken(['YYYYY', 'YYYYYY'], YEAR); - addParseToken('YYYY', function (input, array) { - array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); - }); - addParseToken('YY', function (input, array) { - array[YEAR] = hooks.parseTwoDigitYear(input); - }); - addParseToken('Y', function (input, array) { - array[YEAR] = parseInt(input, 10); - }); - - // HELPERS - - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } - - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } - - // HOOKS - - hooks.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; - - // MOMENTS - - var getSetYear = makeGetSet('FullYear', true); - - function getIsLeapYear() { - return isLeapYear(this.year()); - } - - function makeGetSet(unit, keepTime) { - return function (value) { - if (value != null) { - set$1(this, unit, value); - hooks.updateOffset(this, keepTime); - return this; - } else { - return get(this, unit); - } - }; - } - - function get(mom, unit) { - return mom.isValid() ? - mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; - } - - function set$1(mom, unit, value) { - if (mom.isValid() && !isNaN(value)) { - if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); - } else { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } - } - - // MOMENTS - - function stringGet(units) { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](); - } - return this; - } - - - function stringSet(units, value) { - if (typeof units === 'object') { - units = normalizeObjectUnits(units); - var prioritized = getPrioritizedUnits(units); - for (var i = 0; i < prioritized.length; i++) { - this[prioritized[i].unit](units[prioritized[i].unit]); - } - } else { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](value); - } - } - return this; - } - - function mod(n, x) { - return ((n % x) + x) % x; - } - - var indexOf; - - if (Array.prototype.indexOf) { - indexOf = Array.prototype.indexOf; - } else { - indexOf = function (o) { - // I know - var i; - for (i = 0; i < this.length; ++i) { - if (this[i] === o) { - return i; - } - } - return -1; - }; - } - - function daysInMonth(year, month) { - if (isNaN(year) || isNaN(month)) { - return NaN; - } - var modMonth = mod(month, 12); - year += (month - modMonth) / 12; - return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); - } - - // FORMATTING - - addFormatToken('M', ['MM', 2], 'Mo', function () { - return this.month() + 1; - }); - - addFormatToken('MMM', 0, 0, function (format) { - return this.localeData().monthsShort(this, format); - }); - - addFormatToken('MMMM', 0, 0, function (format) { - return this.localeData().months(this, format); - }); - - // ALIASES - - addUnitAlias('month', 'M'); - - // PRIORITY - - addUnitPriority('month', 8); - - // PARSING - - addRegexToken('M', match1to2); - addRegexToken('MM', match1to2, match2); - addRegexToken('MMM', function (isStrict, locale) { - return locale.monthsShortRegex(isStrict); - }); - addRegexToken('MMMM', function (isStrict, locale) { - return locale.monthsRegex(isStrict); - }); - - addParseToken(['M', 'MM'], function (input, array) { - array[MONTH] = toInt(input) - 1; - }); - - addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { - var month = config._locale.monthsParse(input, token, config._strict); - // if we didn't find a month name, mark the date as invalid. - if (month != null) { - array[MONTH] = month; - } else { - getParsingFlags(config).invalidMonth = input; - } - }); - - // LOCALES - - var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; - var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); - - function localeMonths(m, format) { - if (!m) { - return isArray(this._months) ? this._months : - this._months['standalone']; - } - return isArray(this._months) ? this._months[m.month()] : - this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; - } - - var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); - - function localeMonthsShort(m, format) { - if (!m) { - return isArray(this._monthsShort) ? this._monthsShort : - this._monthsShort['standalone']; - } - return isArray(this._monthsShort) ? this._monthsShort[m.month()] : - this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; - } - - function handleStrictParse(monthName, format, strict) { - var i, ii, mom, llc = monthName.toLocaleLowerCase(); - if (!this._monthsParse) { - // this is not used - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - for (i = 0; i < 12; ++i) { - mom = createUTC([2000, i]); - this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); - this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeMonthsParse(monthName, format, strict) { - var i, mom, regex; - - if (this._monthsParseExact) { - return handleStrictParse.call(this, monthName, format, strict); - } - - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } - - // TODO: add sorting - // Sorting makes sure if one month (or abbr) is a prefix of another - // see sorting in computeMonthsParse - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - if (strict && !this._longMonthsParse[i]) { - this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); - this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); - } - if (!strict && !this._monthsParse[i]) { - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { - return i; - } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { - return i; - } else if (!strict && this._monthsParse[i].test(monthName)) { - return i; - } - } - } - - // MOMENTS - - function setMonth(mom, value) { - var dayOfMonth; - - if (!mom.isValid()) { - // No op - return mom; - } - - if (typeof value === 'string') { - if (/^\d+$/.test(value)) { - value = toInt(value); - } else { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (!isNumber(value)) { - return mom; - } - } - } - - dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; - } - - function getSetMonth(value) { - if (value != null) { - setMonth(this, value); - hooks.updateOffset(this, true); - return this; - } else { - return get(this, 'Month'); - } - } - - function getDaysInMonth() { - return daysInMonth(this.year(), this.month()); - } - - var defaultMonthsShortRegex = matchWord; - - function monthsShortRegex(isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsShortStrictRegex; - } else { - return this._monthsShortRegex; - } - } else { - if (!hasOwnProp(this, '_monthsShortRegex')) { - this._monthsShortRegex = defaultMonthsShortRegex; - } - return this._monthsShortStrictRegex && isStrict ? - this._monthsShortStrictRegex : this._monthsShortRegex; - } - } - - var defaultMonthsRegex = matchWord; - - function monthsRegex(isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsStrictRegex; - } else { - return this._monthsRegex; - } - } else { - if (!hasOwnProp(this, '_monthsRegex')) { - this._monthsRegex = defaultMonthsRegex; - } - return this._monthsStrictRegex && isStrict ? - this._monthsStrictRegex : this._monthsRegex; - } - } - - function computeMonthsParse() { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var shortPieces = [], longPieces = [], mixedPieces = [], - i, mom; - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - shortPieces.push(this.monthsShort(mom, '')); - longPieces.push(this.months(mom, '')); - mixedPieces.push(this.months(mom, '')); - mixedPieces.push(this.monthsShort(mom, '')); - } - // Sorting makes sure if one month (or abbr) is a prefix of another it - // will match the longer piece. - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 12; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - } - for (i = 0; i < 24; i++) { - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._monthsShortRegex = this._monthsRegex; - this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - } - - function createDate(y, m, d, h, M, s, ms) { - // can't just apply() to create a date: - // https://stackoverflow.com/q/181348 - var date; - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - date = new Date(y + 400, m, d, h, M, s, ms); - if (isFinite(date.getFullYear())) { - date.setFullYear(y); - } - } else { - date = new Date(y, m, d, h, M, s, ms); - } - - return date; - } - - function createUTCDate(y) { - var date; - // the Date.UTC function remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - var args = Array.prototype.slice.call(arguments); - // preserve leap years using a full 400 year cycle, then reset - args[0] = y + 400; - date = new Date(Date.UTC.apply(null, args)); - if (isFinite(date.getUTCFullYear())) { - date.setUTCFullYear(y); - } - } else { - date = new Date(Date.UTC.apply(null, arguments)); - } - - return date; - } - - // start-of-first-week - start-of-year - function firstWeekOffset(year, dow, doy) { - var // first-week day -- which january is always in the first week (4 for iso, 1 for other) - fwd = 7 + dow - doy, - // first-week day local weekday -- which local weekday is fwd - fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; - - return -fwdlw + fwd - 1; - } - - // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, dow, doy) { - var localWeekday = (7 + weekday - dow) % 7, - weekOffset = firstWeekOffset(year, dow, doy), - dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, - resYear, resDayOfYear; - - if (dayOfYear <= 0) { - resYear = year - 1; - resDayOfYear = daysInYear(resYear) + dayOfYear; - } else if (dayOfYear > daysInYear(year)) { - resYear = year + 1; - resDayOfYear = dayOfYear - daysInYear(year); - } else { - resYear = year; - resDayOfYear = dayOfYear; - } - - return { - year: resYear, - dayOfYear: resDayOfYear - }; - } - - function weekOfYear(mom, dow, doy) { - var weekOffset = firstWeekOffset(mom.year(), dow, doy), - week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, - resWeek, resYear; - - if (week < 1) { - resYear = mom.year() - 1; - resWeek = week + weeksInYear(resYear, dow, doy); - } else if (week > weeksInYear(mom.year(), dow, doy)) { - resWeek = week - weeksInYear(mom.year(), dow, doy); - resYear = mom.year() + 1; - } else { - resYear = mom.year(); - resWeek = week; - } - - return { - week: resWeek, - year: resYear - }; - } - - function weeksInYear(year, dow, doy) { - var weekOffset = firstWeekOffset(year, dow, doy), - weekOffsetNext = firstWeekOffset(year + 1, dow, doy); - return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; - } - - // FORMATTING - - addFormatToken('w', ['ww', 2], 'wo', 'week'); - addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); - - // ALIASES - - addUnitAlias('week', 'w'); - addUnitAlias('isoWeek', 'W'); - - // PRIORITIES - - addUnitPriority('week', 5); - addUnitPriority('isoWeek', 5); - - // PARSING - - addRegexToken('w', match1to2); - addRegexToken('ww', match1to2, match2); - addRegexToken('W', match1to2); - addRegexToken('WW', match1to2, match2); - - addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { - week[token.substr(0, 1)] = toInt(input); - }); - - // HELPERS - - // LOCALES - - function localeWeek(mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - } - - var defaultLocaleWeek = { - dow: 0, // Sunday is the first day of the week. - doy: 6 // The week that contains Jan 6th is the first week of the year. - }; - - function localeFirstDayOfWeek() { - return this._week.dow; - } - - function localeFirstDayOfYear() { - return this._week.doy; - } - - // MOMENTS - - function getSetWeek(input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - function getSetISOWeek(input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - // FORMATTING - - addFormatToken('d', 0, 'do', 'day'); - - addFormatToken('dd', 0, 0, function (format) { - return this.localeData().weekdaysMin(this, format); - }); - - addFormatToken('ddd', 0, 0, function (format) { - return this.localeData().weekdaysShort(this, format); - }); - - addFormatToken('dddd', 0, 0, function (format) { - return this.localeData().weekdays(this, format); - }); - - addFormatToken('e', 0, 0, 'weekday'); - addFormatToken('E', 0, 0, 'isoWeekday'); - - // ALIASES - - addUnitAlias('day', 'd'); - addUnitAlias('weekday', 'e'); - addUnitAlias('isoWeekday', 'E'); - - // PRIORITY - addUnitPriority('day', 11); - addUnitPriority('weekday', 11); - addUnitPriority('isoWeekday', 11); - - // PARSING - - addRegexToken('d', match1to2); - addRegexToken('e', match1to2); - addRegexToken('E', match1to2); - addRegexToken('dd', function (isStrict, locale) { - return locale.weekdaysMinRegex(isStrict); - }); - addRegexToken('ddd', function (isStrict, locale) { - return locale.weekdaysShortRegex(isStrict); - }); - addRegexToken('dddd', function (isStrict, locale) { - return locale.weekdaysRegex(isStrict); - }); - - addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { - var weekday = config._locale.weekdaysParse(input, token, config._strict); - // if we didn't get a weekday name, mark the date as invalid - if (weekday != null) { - week.d = weekday; - } else { - getParsingFlags(config).invalidWeekday = input; - } - }); - - addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { - week[token] = toInt(input); - }); - - // HELPERS - - function parseWeekday(input, locale) { - if (typeof input !== 'string') { - return input; - } - - if (!isNaN(input)) { - return parseInt(input, 10); - } - - input = locale.weekdaysParse(input); - if (typeof input === 'number') { - return input; - } - - return null; - } - - function parseIsoWeekday(input, locale) { - if (typeof input === 'string') { - return locale.weekdaysParse(input) % 7 || 7; - } - return isNaN(input) ? null : input; - } - - // LOCALES - function shiftWeekdays(ws, n) { - return ws.slice(n, 7).concat(ws.slice(0, n)); - } - - var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); - - function localeWeekdays(m, format) { - var weekdays = isArray(this._weekdays) ? this._weekdays : - this._weekdays[(m && m !== true && this._weekdays.isFormat.test(format)) ? 'format' : 'standalone']; - return (m === true) ? shiftWeekdays(weekdays, this._week.dow) - : (m) ? weekdays[m.day()] : weekdays; - } - - var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); - - function localeWeekdaysShort(m) { - return (m === true) ? shiftWeekdays(this._weekdaysShort, this._week.dow) - : (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; - } - - var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); - - function localeWeekdaysMin(m) { - return (m === true) ? shiftWeekdays(this._weekdaysMin, this._week.dow) - : (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; - } - - function handleStrictParse$1(weekdayName, format, strict) { - var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._shortWeekdaysParse = []; - this._minWeekdaysParse = []; - - for (i = 0; i < 7; ++i) { - mom = createUTC([2000, 1]).day(i); - this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); - this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); - this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeWeekdaysParse(weekdayName, format, strict) { - var i, mom, regex; - - if (this._weekdaysParseExact) { - return handleStrictParse$1.call(this, weekdayName, format, strict); - } - - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._minWeekdaysParse = []; - this._shortWeekdaysParse = []; - this._fullWeekdaysParse = []; - } - - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - - mom = createUTC([2000, 1]).day(i); - if (strict && !this._fullWeekdaysParse[i]) { - this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i'); - this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i'); - this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i'); - } - if (!this._weekdaysParse[i]) { - regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); - this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { - return i; - } - } - } - - // MOMENTS - - function getSetDayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); - if (input != null) { - input = parseWeekday(input, this.localeData()); - return this.add(input - day, 'd'); - } else { - return day; - } - } - - function getSetLocaleDayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - } - - function getSetISODayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - - if (input != null) { - var weekday = parseIsoWeekday(input, this.localeData()); - return this.day(this.day() % 7 ? weekday : weekday - 7); - } else { - return this.day() || 7; - } - } - - var defaultWeekdaysRegex = matchWord; - - function weekdaysRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysStrictRegex; - } else { - return this._weekdaysRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysRegex')) { - this._weekdaysRegex = defaultWeekdaysRegex; - } - return this._weekdaysStrictRegex && isStrict ? - this._weekdaysStrictRegex : this._weekdaysRegex; - } - } - - var defaultWeekdaysShortRegex = matchWord; - - function weekdaysShortRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysShortStrictRegex; - } else { - return this._weekdaysShortRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysShortRegex')) { - this._weekdaysShortRegex = defaultWeekdaysShortRegex; - } - return this._weekdaysShortStrictRegex && isStrict ? - this._weekdaysShortStrictRegex : this._weekdaysShortRegex; - } - } - - var defaultWeekdaysMinRegex = matchWord; - - function weekdaysMinRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysMinStrictRegex; - } else { - return this._weekdaysMinRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysMinRegex')) { - this._weekdaysMinRegex = defaultWeekdaysMinRegex; - } - return this._weekdaysMinStrictRegex && isStrict ? - this._weekdaysMinStrictRegex : this._weekdaysMinRegex; - } - } - - - function computeWeekdaysParse() { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], - i, mom, minp, shortp, longp; - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, 1]).day(i); - minp = this.weekdaysMin(mom, ''); - shortp = this.weekdaysShort(mom, ''); - longp = this.weekdays(mom, ''); - minPieces.push(minp); - shortPieces.push(shortp); - longPieces.push(longp); - mixedPieces.push(minp); - mixedPieces.push(shortp); - mixedPieces.push(longp); - } - // Sorting makes sure if one weekday (or abbr) is a prefix of another it - // will match the longer piece. - minPieces.sort(cmpLenRev); - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 7; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._weekdaysShortRegex = this._weekdaysRegex; - this._weekdaysMinRegex = this._weekdaysRegex; - - this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); - } - - // FORMATTING - - function hFormat() { - return this.hours() % 12 || 12; - } - - function kFormat() { - return this.hours() || 24; - } - - addFormatToken('H', ['HH', 2], 0, 'hour'); - addFormatToken('h', ['hh', 2], 0, hFormat); - addFormatToken('k', ['kk', 2], 0, kFormat); - - addFormatToken('hmm', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); - }); - - addFormatToken('hmmss', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - addFormatToken('Hmm', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2); - }); - - addFormatToken('Hmmss', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - function meridiem(token, lowercase) { - addFormatToken(token, 0, 0, function () { - return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); - }); - } - - meridiem('a', true); - meridiem('A', false); - - // ALIASES - - addUnitAlias('hour', 'h'); - - // PRIORITY - addUnitPriority('hour', 13); - - // PARSING - - function matchMeridiem(isStrict, locale) { - return locale._meridiemParse; - } - - addRegexToken('a', matchMeridiem); - addRegexToken('A', matchMeridiem); - addRegexToken('H', match1to2); - addRegexToken('h', match1to2); - addRegexToken('k', match1to2); - addRegexToken('HH', match1to2, match2); - addRegexToken('hh', match1to2, match2); - addRegexToken('kk', match1to2, match2); - - addRegexToken('hmm', match3to4); - addRegexToken('hmmss', match5to6); - addRegexToken('Hmm', match3to4); - addRegexToken('Hmmss', match5to6); - - addParseToken(['H', 'HH'], HOUR); - addParseToken(['k', 'kk'], function (input, array, config) { - var kInput = toInt(input); - array[HOUR] = kInput === 24 ? 0 : kInput; - }); - addParseToken(['a', 'A'], function (input, array, config) { - config._isPm = config._locale.isPM(input); - config._meridiem = input; - }); - addParseToken(['h', 'hh'], function (input, array, config) { - array[HOUR] = toInt(input); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('Hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - }); - addParseToken('Hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - }); - - // LOCALES - - function localeIsPM(input) { - // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays - // Using charAt should be more compatible. - return ((input + '').toLowerCase().charAt(0) === 'p'); - } - - var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; - - function localeMeridiem(hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - } - - - // MOMENTS - - // Setting the hour should keep the time, because the user explicitly - // specified which hour they want. So trying to maintain the same hour (in - // a new timezone) makes sense. Adding/subtracting hours does not follow - // this rule. - var getSetHour = makeGetSet('Hours', true); - - var baseConfig = { - calendar: defaultCalendar, - longDateFormat: defaultLongDateFormat, - invalidDate: defaultInvalidDate, - ordinal: defaultOrdinal, - dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, - relativeTime: defaultRelativeTime, - - months: defaultLocaleMonths, - monthsShort: defaultLocaleMonthsShort, - - week: defaultLocaleWeek, - - weekdays: defaultLocaleWeekdays, - weekdaysMin: defaultLocaleWeekdaysMin, - weekdaysShort: defaultLocaleWeekdaysShort, - - meridiemParse: defaultLocaleMeridiemParse - }; - - // internal storage for locale config files - var locales = {}; - var localeFamilies = {}; - var globalLocale; - - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; - } - - // pick the locale from the array - // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each - // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root - function chooseLocale(names) { - var i = 0, j, next, locale, split; - - while (i < names.length) { - split = normalizeLocale(names[i]).split('-'); - j = split.length; - next = normalizeLocale(names[i + 1]); - next = next ? next.split('-') : null; - while (j > 0) { - locale = loadLocale(split.slice(0, j).join('-')); - if (locale) { - return locale; - } - if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { - //the next array item is better than a shallower substring of this one - break; - } - j--; - } - i++; - } - return globalLocale; - } - - function loadLocale(name) { - var oldLocale = null; - // TODO: Find a better way to register and load all the locales in Node - if (!locales[name] && ('object' !== 'undefined') && - module && module.exports) { - try { - oldLocale = globalLocale._abbr; - var aliasedRequire = commonjsRequire; - aliasedRequire('./locale/' + name); - getSetGlobalLocale(oldLocale); - } catch (e) { - } - } - return locales[name]; - } - - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - function getSetGlobalLocale(key, values) { - var data; - if (key) { - if (isUndefined(values)) { - data = getLocale(key); - } else { - data = defineLocale(key, values); - } - - if (data) { - // moment.duration._locale = moment._locale = data; - globalLocale = data; - } else { - if ((typeof console !== 'undefined') && console.warn) { - //warn user if arguments are passed but the locale could not be set - console.warn('Locale ' + key + ' not found. Did you forget to load it?'); - } - } - } - - return globalLocale._abbr; - } - - function defineLocale(name, config) { - if (config !== null) { - var locale, parentConfig = baseConfig; - config.abbr = name; - if (locales[name] != null) { - deprecateSimple('defineLocaleOverride', - 'use moment.updateLocale(localeName, config) to change ' + - 'an existing locale. moment.defineLocale(localeName, ' + - 'config) should only be used for creating a new locale ' + - 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); - parentConfig = locales[name]._config; - } else if (config.parentLocale != null) { - if (locales[config.parentLocale] != null) { - parentConfig = locales[config.parentLocale]._config; - } else { - locale = loadLocale(config.parentLocale); - if (locale != null) { - parentConfig = locale._config; - } else { - if (!localeFamilies[config.parentLocale]) { - localeFamilies[config.parentLocale] = []; - } - localeFamilies[config.parentLocale].push({ - name: name, - config: config - }); - return null; - } - } - } - locales[name] = new Locale(mergeConfigs(parentConfig, config)); - - if (localeFamilies[name]) { - localeFamilies[name].forEach(function (x) { - defineLocale(x.name, x.config); - }); - } - - // backwards compat for now: also set the locale - // make sure we set the locale AFTER all child locales have been - // created, so we won't end up with the child locale set. - getSetGlobalLocale(name); - - - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - } - - function updateLocale(name, config) { - if (config != null) { - var locale, tmpLocale, parentConfig = baseConfig; - // MERGE - tmpLocale = loadLocale(name); - if (tmpLocale != null) { - parentConfig = tmpLocale._config; - } - config = mergeConfigs(parentConfig, config); - locale = new Locale(config); - locale.parentLocale = locales[name]; - locales[name] = locale; - - // backwards compat for now: also set the locale - getSetGlobalLocale(name); - } else { - // pass null for config to unupdate, useful for tests - if (locales[name] != null) { - if (locales[name].parentLocale != null) { - locales[name] = locales[name].parentLocale; - } else if (locales[name] != null) { - delete locales[name]; - } - } - } - return locales[name]; - } - - // returns locale data - function getLocale(key) { - var locale; - - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } - - if (!key) { - return globalLocale; - } - - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } - - return chooseLocale(key); - } - - function listLocales() { - return keys(locales); - } - - function checkOverflow(m) { - var overflow; - var a = m._a; - - if (a && getParsingFlags(m).overflow === -2) { - overflow = - a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : - a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : - a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : - a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : - a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : - a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : - -1; - - if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } - if (getParsingFlags(m)._overflowWeeks && overflow === -1) { - overflow = WEEK; - } - if (getParsingFlags(m)._overflowWeekday && overflow === -1) { - overflow = WEEKDAY; - } - - getParsingFlags(m).overflow = overflow; - } - - return m; - } - - // Pick the first defined of two or three arguments. - function defaults(a, b, c) { - if (a != null) { - return a; - } - if (b != null) { - return b; - } - return c; - } - - function currentDateArray(config) { - // hooks is actually the exported moment object - var nowValue = new Date(hooks.now()); - if (config._useUTC) { - return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; - } - return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; - } - - // convert an array to a date. - // the array should mirror the parameters below - // note: all values past the year are optional and will default to the lowest possible value. - // [year, month, day , hour, minute, second, millisecond] - function configFromArray(config) { - var i, date, input = [], currentDate, expectedWeekday, yearToUse; - - if (config._d) { - return; - } - - currentDate = currentDateArray(config); - - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } - - //if the day of the year is set, figure out what it is - if (config._dayOfYear != null) { - yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); - - if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { - getParsingFlags(config)._overflowDayOfYear = true; - } - - date = createUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } - - // Default to current date. - // * if no year, month, day of month are given, default to today - // * if day of month is given, default month and year - // * if month is given, default only year - // * if year is given, don't default anything - for (i = 0; i < 3 && config._a[i] == null; ++i) { - config._a[i] = input[i] = currentDate[i]; - } - - // Zero out whatever was not defaulted, including time - for (; i < 7; i++) { - config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; - } - - // Check for 24:00:00.000 - if (config._a[HOUR] === 24 && - config._a[MINUTE] === 0 && - config._a[SECOND] === 0 && - config._a[MILLISECOND] === 0) { - config._nextDay = true; - config._a[HOUR] = 0; - } - - config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); - expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); - - // Apply timezone offset from input. The actual utcOffset can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - } - - if (config._nextDay) { - config._a[HOUR] = 24; - } - - // check for mismatching day of week - if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { - getParsingFlags(config).weekdayMismatch = true; - } - } - - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; - - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; - - // TODO: We need to take the current isoWeekYear, but that depends on - // how we interpret now (local, utc, fixed offset). So create - // a now version of current config (take local/utc/offset flags, and - // create now). - weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); - week = defaults(w.W, 1); - weekday = defaults(w.E, 1); - if (weekday < 1 || weekday > 7) { - weekdayOverflow = true; - } - } else { - dow = config._locale._week.dow; - doy = config._locale._week.doy; - - var curWeek = weekOfYear(createLocal(), dow, doy); - - weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); - - // Default to current week. - week = defaults(w.w, curWeek.week); - - if (w.d != null) { - // weekday -- low day numbers are considered next week - weekday = w.d; - if (weekday < 0 || weekday > 6) { - weekdayOverflow = true; - } - } else if (w.e != null) { - // local weekday -- counting starts from beginning of week - weekday = w.e + dow; - if (w.e < 0 || w.e > 6) { - weekdayOverflow = true; - } - } else { - // default to beginning of week - weekday = dow; - } - } - if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { - getParsingFlags(config)._overflowWeeks = true; - } else if (weekdayOverflow != null) { - getParsingFlags(config)._overflowWeekday = true; - } else { - temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; - } - } - - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - - var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; - - var isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], - ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], - ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], - ['GGGG-[W]WW', /\d{4}-W\d\d/, false], - ['YYYY-DDD', /\d{4}-\d{3}/], - ['YYYY-MM', /\d{4}-\d\d/, false], - ['YYYYYYMMDD', /[+-]\d{10}/], - ['YYYYMMDD', /\d{8}/], - // YYYYMM is NOT allowed by the standard - ['GGGG[W]WWE', /\d{4}W\d{3}/], - ['GGGG[W]WW', /\d{4}W\d{2}/, false], - ['YYYYDDD', /\d{7}/] - ]; - - // iso time formats and regexes - var isoTimes = [ - ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], - ['HH:mm:ss', /\d\d:\d\d:\d\d/], - ['HH:mm', /\d\d:\d\d/], - ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], - ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], - ['HHmmss', /\d\d\d\d\d\d/], - ['HHmm', /\d\d\d\d/], - ['HH', /\d\d/] - ]; - - var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; - - // date from iso format - function configFromISO(config) { - var i, l, - string = config._i, - match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), - allowTime, dateFormat, timeFormat, tzFormat; - - if (match) { - getParsingFlags(config).iso = true; - - for (i = 0, l = isoDates.length; i < l; i++) { - if (isoDates[i][1].exec(match[1])) { - dateFormat = isoDates[i][0]; - allowTime = isoDates[i][2] !== false; - break; - } - } - if (dateFormat == null) { - config._isValid = false; - return; - } - if (match[3]) { - for (i = 0, l = isoTimes.length; i < l; i++) { - if (isoTimes[i][1].exec(match[3])) { - // match[2] should be 'T' or space - timeFormat = (match[2] || ' ') + isoTimes[i][0]; - break; - } - } - if (timeFormat == null) { - config._isValid = false; - return; - } - } - if (!allowTime && timeFormat != null) { - config._isValid = false; - return; - } - if (match[4]) { - if (tzRegex.exec(match[4])) { - tzFormat = 'Z'; - } else { - config._isValid = false; - return; - } - } - config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); - configFromStringAndFormat(config); - } else { - config._isValid = false; - } - } - - // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 - var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; - - function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { - var result = [ - untruncateYear(yearStr), - defaultLocaleMonthsShort.indexOf(monthStr), - parseInt(dayStr, 10), - parseInt(hourStr, 10), - parseInt(minuteStr, 10) - ]; - - if (secondStr) { - result.push(parseInt(secondStr, 10)); - } - - return result; - } - - function untruncateYear(yearStr) { - var year = parseInt(yearStr, 10); - if (year <= 49) { - return 2000 + year; - } else if (year <= 999) { - return 1900 + year; - } - return year; - } - - function preprocessRFC2822(s) { - // Remove comments and folding whitespace and replace multiple-spaces with a single space - return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); - } - - function checkWeekday(weekdayStr, parsedInput, config) { - if (weekdayStr) { - // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. - var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), - weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); - if (weekdayProvided !== weekdayActual) { - getParsingFlags(config).weekdayMismatch = true; - config._isValid = false; - return false; - } - } - return true; - } - - var obsOffsets = { - UT: 0, - GMT: 0, - EDT: -4 * 60, - EST: -5 * 60, - CDT: -5 * 60, - CST: -6 * 60, - MDT: -6 * 60, - MST: -7 * 60, - PDT: -7 * 60, - PST: -8 * 60 - }; - - function calculateOffset(obsOffset, militaryOffset, numOffset) { - if (obsOffset) { - return obsOffsets[obsOffset]; - } else if (militaryOffset) { - // the only allowed military tz is Z - return 0; - } else { - var hm = parseInt(numOffset, 10); - var m = hm % 100, h = (hm - m) / 100; - return h * 60 + m; - } - } - - // date and time from ref 2822 format - function configFromRFC2822(config) { - var match = rfc2822.exec(preprocessRFC2822(config._i)); - if (match) { - var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); - if (!checkWeekday(match[1], parsedArray, config)) { - return; - } - - config._a = parsedArray; - config._tzm = calculateOffset(match[8], match[9], match[10]); - - config._d = createUTCDate.apply(null, config._a); - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - - getParsingFlags(config).rfc2822 = true; - } else { - config._isValid = false; - } - } - - // date from iso format or fallback - function configFromString(config) { - var matched = aspNetJsonRegex.exec(config._i); - - if (matched !== null) { - config._d = new Date(+matched[1]); - return; - } - - configFromISO(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - configFromRFC2822(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - // Final attempt, use Input Fallback - hooks.createFromInputFallback(config); - } - - hooks.createFromInputFallback = deprecate( - 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + - 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + - 'discouraged and will be removed in an upcoming major release. Please refer to ' + - 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', - function (config) { - config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); - } - ); - - // constant that refers to the ISO standard - hooks.ISO_8601 = function () { - }; - - // constant that refers to the RFC 2822 form - hooks.RFC_2822 = function () { - }; - - // date from string and format string - function configFromStringAndFormat(config) { - // TODO: Move this to another part of the creation flow to prevent circular deps - if (config._f === hooks.ISO_8601) { - configFromISO(config); - return; - } - if (config._f === hooks.RFC_2822) { - configFromRFC2822(config); - return; - } - config._a = []; - getParsingFlags(config).empty = true; - - // This array is used to make a Date, either with `new Date` or `Date.UTC` - var string = '' + config._i, - i, parsedInput, tokens, token, skipped, - stringLength = string.length, - totalParsedInputLength = 0; - - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; - // console.log('token', token, 'parsedInput', parsedInput, - // 'regex', getParseRegexForToken(token, config)); - if (parsedInput) { - skipped = string.substr(0, string.indexOf(parsedInput)); - if (skipped.length > 0) { - getParsingFlags(config).unusedInput.push(skipped); - } - string = string.slice(string.indexOf(parsedInput) + parsedInput.length); - totalParsedInputLength += parsedInput.length; - } - // don't parse if it's not a known token - if (formatTokenFunctions[token]) { - if (parsedInput) { - getParsingFlags(config).empty = false; - } else { - getParsingFlags(config).unusedTokens.push(token); - } - addTimeToArrayFromToken(token, parsedInput, config); - } else if (config._strict && !parsedInput) { - getParsingFlags(config).unusedTokens.push(token); - } - } - - // add remaining unparsed input length to the string - getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - getParsingFlags(config).unusedInput.push(string); - } - - // clear _12h flag if hour is <= 12 - if (config._a[HOUR] <= 12 && - getParsingFlags(config).bigHour === true && - config._a[HOUR] > 0) { - getParsingFlags(config).bigHour = undefined; - } - - getParsingFlags(config).parsedDateParts = config._a.slice(0); - getParsingFlags(config).meridiem = config._meridiem; - // handle meridiem - config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); - - configFromArray(config); - checkOverflow(config); - } - - - function meridiemFixWrap(locale, hour, meridiem) { - var isPm; - - if (meridiem == null) { - // nothing to do - return hour; - } - if (locale.meridiemHour != null) { - return locale.meridiemHour(hour, meridiem); - } else if (locale.isPM != null) { - // Fallback - isPm = locale.isPM(meridiem); - if (isPm && hour < 12) { - hour += 12; - } - if (!isPm && hour === 12) { - hour = 0; - } - return hour; - } else { - // this is not supposed to happen - return hour; - } - } - - // date from string and array of format strings - function configFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; - - if (config._f.length === 0) { - getParsingFlags(config).invalidFormat = true; - config._d = new Date(NaN); - return; - } - - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._f = config._f[i]; - configFromStringAndFormat(tempConfig); - - if (!isValid(tempConfig)) { - continue; - } - - // if there is any input that was not parsed add a penalty for that format - currentScore += getParsingFlags(tempConfig).charsLeftOver; - - //or tokens - currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; - - getParsingFlags(tempConfig).score = currentScore; - - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } - - extend(config, bestMoment || tempConfig); - } - - function configFromObject(config) { - if (config._d) { - return; - } - - var i = normalizeObjectUnits(config._i); - config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { - return obj && parseInt(obj, 10); - }); - - configFromArray(config); - } - - function createFromConfig(config) { - var res = new Moment(checkOverflow(prepareConfig(config))); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } - - return res; - } - - function prepareConfig(config) { - var input = config._i, - format = config._f; - - config._locale = config._locale || getLocale(config._l); - - if (input === null || (format === undefined && input === '')) { - return createInvalid({nullInput: true}); - } - - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } - - if (isMoment(input)) { - return new Moment(checkOverflow(input)); - } else if (isDate(input)) { - config._d = input; - } else if (isArray(format)) { - configFromStringAndArray(config); - } else if (format) { - configFromStringAndFormat(config); - } else { - configFromInput(config); - } - - if (!isValid(config)) { - config._d = null; - } - - return config; - } - - function configFromInput(config) { - var input = config._i; - if (isUndefined(input)) { - config._d = new Date(hooks.now()); - } else if (isDate(input)) { - config._d = new Date(input.valueOf()); - } else if (typeof input === 'string') { - configFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - configFromArray(config); - } else if (isObject(input)) { - configFromObject(config); - } else if (isNumber(input)) { - // from milliseconds - config._d = new Date(input); - } else { - hooks.createFromInputFallback(config); - } - } - - function createLocalOrUTC(input, format, locale, strict, isUTC) { - var c = {}; - - if (locale === true || locale === false) { - strict = locale; - locale = undefined; - } - - if ((isObject(input) && isObjectEmpty(input)) || - (isArray(input) && input.length === 0)) { - input = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c._isAMomentObject = true; - c._useUTC = c._isUTC = isUTC; - c._l = locale; - c._i = input; - c._f = format; - c._strict = strict; - - return createFromConfig(c); - } - - function createLocal(input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, false); - } - - var prototypeMin = deprecate( - 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other < this ? this : other; - } else { - return createInvalid(); - } - } - ); - - var prototypeMax = deprecate( - 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other > this ? this : other; - } else { - return createInvalid(); - } - } - ); - - // Pick a moment m from moments so that m[fn](other) is true for all - // other. This relies on the function fn to be transitive. - // - // moments should either be an array of moment objects or an array, whose - // first element is an array of moment objects. - function pickBy(fn, moments) { - var res, i; - if (moments.length === 1 && isArray(moments[0])) { - moments = moments[0]; - } - if (!moments.length) { - return createLocal(); - } - res = moments[0]; - for (i = 1; i < moments.length; ++i) { - if (!moments[i].isValid() || moments[i][fn](res)) { - res = moments[i]; - } - } - return res; - } - - // TODO: Use [].sort instead? - function min() { - var args = [].slice.call(arguments, 0); - - return pickBy('isBefore', args); - } - - function max() { - var args = [].slice.call(arguments, 0); - - return pickBy('isAfter', args); - } - - var now = function () { - return Date.now ? Date.now() : +(new Date()); - }; - - var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; - - function isDurationValid(m) { - for (var key in m) { - if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { - return false; - } - } - - var unitHasDecimal = false; - for (var i = 0; i < ordering.length; ++i) { - if (m[ordering[i]]) { - if (unitHasDecimal) { - return false; // only allow non-integers for smallest unit - } - if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { - unitHasDecimal = true; - } - } - } - - return true; - } - - function isValid$1() { - return this._isValid; - } - - function createInvalid$1() { - return createDuration(NaN); - } - - function Duration(duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || normalizedInput.isoWeek || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; - - this._isValid = isDurationValid(normalizedInput); - - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible to translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; - - this._data = {}; - - this._locale = getLocale(); - - this._bubble(); - } - - function isDuration(obj) { - return obj instanceof Duration; - } - - function absRound(number) { - if (number < 0) { - return Math.round(-1 * number) * -1; - } else { - return Math.round(number); - } - } - - // FORMATTING - - function offset(token, separator) { - addFormatToken(token, 0, 0, function () { - var offset = this.utcOffset(); - var sign = '+'; - if (offset < 0) { - offset = -offset; - sign = '-'; - } - return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); - }); - } - - offset('Z', ':'); - offset('ZZ', ''); - - // PARSING - - addRegexToken('Z', matchShortOffset); - addRegexToken('ZZ', matchShortOffset); - addParseToken(['Z', 'ZZ'], function (input, array, config) { - config._useUTC = true; - config._tzm = offsetFromString(matchShortOffset, input); - }); - - // HELPERS - - // timezone chunker - // '+10:00' > ['10', '00'] - // '-1530' > ['-15', '30'] - var chunkOffset = /([\+\-]|\d\d)/gi; - - function offsetFromString(matcher, string) { - var matches = (string || '').match(matcher); - - if (matches === null) { - return null; - } - - var chunk = matches[matches.length - 1] || []; - var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; - var minutes = +(parts[1] * 60) + toInt(parts[2]); - - return minutes === 0 ? - 0 : - parts[0] === '+' ? minutes : -minutes; - } - - // Return a moment from input, that is local/utc/zone equivalent to model. - function cloneWithOffset(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); - // Use low-level api, because this fn is low-level api. - res._d.setTime(res._d.valueOf() + diff); - hooks.updateOffset(res, false); - return res; - } else { - return createLocal(input).local(); - } - } - - function getDateOffset(m) { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(m._d.getTimezoneOffset() / 15) * 15; - } - - // HOOKS - - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - hooks.updateOffset = function () { - }; - - // MOMENTS - - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset - // +0200, so we adjust the time as needed, to be valid. - // - // Keeping the time actually adds/subtracts (one hour) - // from the actual represented time. That is why we call updateOffset - // a second time. In case it wants us to change the offset again - // _changeInProgress == true case, then we have to adjust, because - // there is no such time in the given timezone. - function getSetOffset(input, keepLocalTime, keepMinutes) { - var offset = this._offset || 0, - localAdjust; - if (!this.isValid()) { - return input != null ? this : NaN; - } - if (input != null) { - if (typeof input === 'string') { - input = offsetFromString(matchShortOffset, input); - if (input === null) { - return this; - } - } else if (Math.abs(input) < 16 && !keepMinutes) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = getDateOffset(this); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addSubtract(this, createDuration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - hooks.updateOffset(this, true); - this._changeInProgress = null; - } - } - return this; - } else { - return this._isUTC ? offset : getDateOffset(this); - } - } - - function getSetZone(input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } - - this.utcOffset(input, keepLocalTime); - - return this; - } else { - return -this.utcOffset(); - } - } - - function setOffsetToUTC(keepLocalTime) { - return this.utcOffset(0, keepLocalTime); - } - - function setOffsetToLocal(keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; - - if (keepLocalTime) { - this.subtract(getDateOffset(this), 'm'); - } - } - return this; - } - - function setOffsetToParsedOffset() { - if (this._tzm != null) { - this.utcOffset(this._tzm, false, true); - } else if (typeof this._i === 'string') { - var tZone = offsetFromString(matchOffset, this._i); - if (tZone != null) { - this.utcOffset(tZone); - } else { - this.utcOffset(0, true); - } - } - return this; - } - - function hasAlignedHourOffset(input) { - if (!this.isValid()) { - return false; - } - input = input ? createLocal(input).utcOffset() : 0; - - return (this.utcOffset() - input) % 60 === 0; - } - - function isDaylightSavingTime() { - return ( - this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset() - ); - } - - function isDaylightSavingTimeShifted() { - if (!isUndefined(this._isDSTShifted)) { - return this._isDSTShifted; - } - - var c = {}; - - copyConfig(c, this); - c = prepareConfig(c); - - if (c._a) { - var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); - this._isDSTShifted = this.isValid() && - compareArrays(c._a, other.toArray()) > 0; - } else { - this._isDSTShifted = false; - } - - return this._isDSTShifted; - } - - function isLocal() { - return this.isValid() ? !this._isUTC : false; - } - - function isUtcOffset() { - return this.isValid() ? this._isUTC : false; - } - - function isUtc() { - return this.isValid() ? this._isUTC && this._offset === 0 : false; - } - - // ASP.NET json date format regex - var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; - - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - // and further modified to allow for strings containing both week and day - var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; - - function createDuration(input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - diffRes; - - if (isDuration(input)) { - duration = { - ms: input._milliseconds, - d: input._days, - M: input._months - }; - } else if (isNumber(input)) { - duration = {}; - if (key) { - duration[key] = input; - } else { - duration.milliseconds = input; - } - } else if (!!(match = aspNetRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y: 0, - d: toInt(match[DATE]) * sign, - h: toInt(match[HOUR]) * sign, - m: toInt(match[MINUTE]) * sign, - s: toInt(match[SECOND]) * sign, - ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match - }; - } else if (!!(match = isoRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y: parseIso(match[2], sign), - M: parseIso(match[3], sign), - w: parseIso(match[4], sign), - d: parseIso(match[5], sign), - h: parseIso(match[6], sign), - m: parseIso(match[7], sign), - s: parseIso(match[8], sign) - }; - } else if (duration == null) {// checks for null or undefined - duration = {}; - } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); - - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } - - ret = new Duration(duration); - - if (isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } - - return ret; - } - - createDuration.fn = Duration.prototype; - createDuration.invalid = createInvalid$1; - - function parseIso(inp, sign) { - // We'd normally use ~~inp for this, but unfortunately it also - // converts floats to ints. - // inp may be undefined, so careful calling replace on it. - var res = inp && parseFloat(inp.replace(',', '.')); - // apply sign while we're at it - return (isNaN(res) ? 0 : res) * sign; - } - - function positiveMomentsDifference(base, other) { - var res = {}; - - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } - - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - - return res; - } - - function momentsDifference(base, other) { - var res; - if (!(base.isValid() && other.isValid())) { - return {milliseconds: 0, months: 0}; - } - - other = cloneWithOffset(other, base); - if (base.isBefore(other)) { - res = positiveMomentsDifference(base, other); - } else { - res = positiveMomentsDifference(other, base); - res.milliseconds = -res.milliseconds; - res.months = -res.months; - } - - return res; - } - - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + - 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); - tmp = val; - val = period; - period = tmp; - } - - val = typeof val === 'string' ? +val : val; - dur = createDuration(val, period); - addSubtract(this, dur, direction); - return this; - }; - } - - function addSubtract(mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = absRound(duration._days), - months = absRound(duration._months); - - if (!mom.isValid()) { - // No op - return; - } - - updateOffset = updateOffset == null ? true : updateOffset; - - if (months) { - setMonth(mom, get(mom, 'Month') + months * isAdding); - } - if (days) { - set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); - } - if (milliseconds) { - mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); - } - if (updateOffset) { - hooks.updateOffset(mom, days || months); - } - } - - var add = createAdder(1, 'add'); - var subtract = createAdder(-1, 'subtract'); - - function getCalendarFormat(myMoment, now) { - var diff = myMoment.diff(now, 'days', true); - return diff < -6 ? 'sameElse' : - diff < -1 ? 'lastWeek' : - diff < 0 ? 'lastDay' : - diff < 1 ? 'sameDay' : - diff < 2 ? 'nextDay' : - diff < 7 ? 'nextWeek' : 'sameElse'; - } - - function calendar$1(time, formats) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're local/utc/offset or not. - var now = time || createLocal(), - sod = cloneWithOffset(now, this).startOf('day'), - format = hooks.calendarFormat(this, sod) || 'sameElse'; - - var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); - - return this.format(output || this.localeData().calendar(format, this, createLocal(now))); - } - - function clone() { - return new Moment(this); - } - - function isAfter(input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() > localInput.valueOf(); - } else { - return localInput.valueOf() < this.clone().startOf(units).valueOf(); - } - } - - function isBefore(input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() < localInput.valueOf(); - } else { - return this.clone().endOf(units).valueOf() < localInput.valueOf(); - } - } - - function isBetween(from, to, units, inclusivity) { - var localFrom = isMoment(from) ? from : createLocal(from), - localTo = isMoment(to) ? to : createLocal(to); - if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) { - return false; - } - inclusivity = inclusivity || '()'; - return (inclusivity[0] === '(' ? this.isAfter(localFrom, units) : !this.isBefore(localFrom, units)) && - (inclusivity[1] === ')' ? this.isBefore(localTo, units) : !this.isAfter(localTo, units)); - } - - function isSame(input, units) { - var localInput = isMoment(input) ? input : createLocal(input), - inputMs; - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() === localInput.valueOf(); - } else { - inputMs = localInput.valueOf(); - return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); - } - } - - function isSameOrAfter(input, units) { - return this.isSame(input, units) || this.isAfter(input, units); - } - - function isSameOrBefore(input, units) { - return this.isSame(input, units) || this.isBefore(input, units); - } - - function diff(input, units, asFloat) { - var that, - zoneDelta, - output; - - if (!this.isValid()) { - return NaN; - } - - that = cloneWithOffset(input, this); - - if (!that.isValid()) { - return NaN; - } - - zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; - - units = normalizeUnits(units); - - switch (units) { - case 'year': - output = monthDiff(this, that) / 12; - break; - case 'month': - output = monthDiff(this, that); - break; - case 'quarter': - output = monthDiff(this, that) / 3; - break; - case 'second': - output = (this - that) / 1e3; - break; // 1000 - case 'minute': - output = (this - that) / 6e4; - break; // 1000 * 60 - case 'hour': - output = (this - that) / 36e5; - break; // 1000 * 60 * 60 - case 'day': - output = (this - that - zoneDelta) / 864e5; - break; // 1000 * 60 * 60 * 24, negate dst - case 'week': - output = (this - that - zoneDelta) / 6048e5; - break; // 1000 * 60 * 60 * 24 * 7, negate dst - default: - output = this - that; - } - - return asFloat ? output : absFloor(output); - } - - function monthDiff(a, b) { - // difference in months - var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), - // b is in (anchor - 1 month, anchor + 1 month) - anchor = a.clone().add(wholeMonthDiff, 'months'), - anchor2, adjust; - - if (b - anchor < 0) { - anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor - anchor2); - } else { - anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor2 - anchor); - } - - //check for negative zero, return zero if negative zero - return -(wholeMonthDiff + adjust) || 0; - } - - hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; - hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; - - function toString() { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - } - - function toISOString(keepOffset) { - if (!this.isValid()) { - return null; - } - var utc = keepOffset !== true; - var m = utc ? this.clone().utc() : this; - if (m.year() < 0 || m.year() > 9999) { - return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - if (isFunction(Date.prototype.toISOString)) { - // native implementation is ~50x faster, use it when we can - if (utc) { - return this.toDate().toISOString(); - } else { - return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z')); - } - } - return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - - /** - * Return a human readable representation of a moment that can - * also be evaluated to get a new moment which is the same - * - * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects - */ - function inspect() { - if (!this.isValid()) { - return 'moment.invalid(/* ' + this._i + ' */)'; - } - var func = 'moment'; - var zone = ''; - if (!this.isLocal()) { - func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; - zone = 'Z'; - } - var prefix = '[' + func + '("]'; - var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; - var datetime = '-MM-DD[T]HH:mm:ss.SSS'; - var suffix = zone + '[")]'; - - return this.format(prefix + year + datetime + suffix); - } - - function format(inputString) { - if (!inputString) { - inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; - } - var output = formatMoment(this, inputString); - return this.localeData().postformat(output); - } - - function from(time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({ - to: this, - from: time - }).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function fromNow(withoutSuffix) { - return this.from(createLocal(), withoutSuffix); - } - - function to(time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({ - from: this, - to: time - }).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function toNow(withoutSuffix) { - return this.to(createLocal(), withoutSuffix); - } - - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - function locale(key) { - var newLocaleData; - - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = getLocale(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - } - - var lang = deprecate( - 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ); - - function localeData() { - return this._locale; - } - - var MS_PER_SECOND = 1000; - var MS_PER_MINUTE = 60 * MS_PER_SECOND; - var MS_PER_HOUR = 60 * MS_PER_MINUTE; - var MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR; - - // actual modulo - handles negative numbers (for dates before 1970): - function mod$1(dividend, divisor) { - return (dividend % divisor + divisor) % divisor; - } - - function localStartOfDate(y, m, d) { - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return new Date(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return new Date(y, m, d).valueOf(); - } - } - - function utcStartOfDate(y, m, d) { - // Date.UTC remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return Date.UTC(y, m, d); - } - } - - function startOf(units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year(), 0, 1); - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3, 1); - break; - case 'month': - time = startOfDate(this.year(), this.month(), 1); - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday()); - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1)); - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date()); - break; - case 'hour': - time = this._d.valueOf(); - time -= mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR); - break; - case 'minute': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_MINUTE); - break; - case 'second': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_SECOND); - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function endOf(units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year() + 1, 0, 1) - 1; - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3 + 3, 1) - 1; - break; - case 'month': - time = startOfDate(this.year(), this.month() + 1, 1) - 1; - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday() + 7) - 1; - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1) + 7) - 1; - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date() + 1) - 1; - break; - case 'hour': - time = this._d.valueOf(); - time += MS_PER_HOUR - mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR) - 1; - break; - case 'minute': - time = this._d.valueOf(); - time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1; - break; - case 'second': - time = this._d.valueOf(); - time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1; - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function valueOf() { - return this._d.valueOf() - ((this._offset || 0) * 60000); - } - - function unix() { - return Math.floor(this.valueOf() / 1000); - } - - function toDate() { - return new Date(this.valueOf()); - } - - function toArray() { - var m = this; - return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; - } - - function toObject() { - var m = this; - return { - years: m.year(), - months: m.month(), - date: m.date(), - hours: m.hours(), - minutes: m.minutes(), - seconds: m.seconds(), - milliseconds: m.milliseconds() - }; - } - - function toJSON() { - // new Date(NaN).toJSON() === null - return this.isValid() ? this.toISOString() : null; - } - - function isValid$2() { - return isValid(this); - } - - function parsingFlags() { - return extend({}, getParsingFlags(this)); - } - - function invalidAt() { - return getParsingFlags(this).overflow; - } - - function creationData() { - return { - input: this._i, - format: this._f, - locale: this._locale, - isUTC: this._isUTC, - strict: this._strict - }; - } - - // FORMATTING - - addFormatToken(0, ['gg', 2], 0, function () { - return this.weekYear() % 100; - }); - - addFormatToken(0, ['GG', 2], 0, function () { - return this.isoWeekYear() % 100; - }); - - function addWeekYearFormatToken(token, getter) { - addFormatToken(0, [token, token.length], 0, getter); - } - - addWeekYearFormatToken('gggg', 'weekYear'); - addWeekYearFormatToken('ggggg', 'weekYear'); - addWeekYearFormatToken('GGGG', 'isoWeekYear'); - addWeekYearFormatToken('GGGGG', 'isoWeekYear'); - - // ALIASES - - addUnitAlias('weekYear', 'gg'); - addUnitAlias('isoWeekYear', 'GG'); - - // PRIORITY - - addUnitPriority('weekYear', 1); - addUnitPriority('isoWeekYear', 1); - - - // PARSING - - addRegexToken('G', matchSigned); - addRegexToken('g', matchSigned); - addRegexToken('GG', match1to2, match2); - addRegexToken('gg', match1to2, match2); - addRegexToken('GGGG', match1to4, match4); - addRegexToken('gggg', match1to4, match4); - addRegexToken('GGGGG', match1to6, match6); - addRegexToken('ggggg', match1to6, match6); - - addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { - week[token.substr(0, 2)] = toInt(input); - }); - - addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { - week[token] = hooks.parseTwoDigitYear(input); - }); - - // MOMENTS - - function getSetWeekYear(input) { - return getSetWeekYearHelper.call(this, - input, - this.week(), - this.weekday(), - this.localeData()._week.dow, - this.localeData()._week.doy); - } - - function getSetISOWeekYear(input) { - return getSetWeekYearHelper.call(this, - input, this.isoWeek(), this.isoWeekday(), 1, 4); - } - - function getISOWeeksInYear() { - return weeksInYear(this.year(), 1, 4); - } - - function getWeeksInYear() { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - } - - function getSetWeekYearHelper(input, week, weekday, dow, doy) { - var weeksTarget; - if (input == null) { - return weekOfYear(this, dow, doy).year; - } else { - weeksTarget = weeksInYear(input, dow, doy); - if (week > weeksTarget) { - week = weeksTarget; - } - return setWeekAll.call(this, input, week, weekday, dow, doy); - } - } - - function setWeekAll(weekYear, week, weekday, dow, doy) { - var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), - date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); - - this.year(date.getUTCFullYear()); - this.month(date.getUTCMonth()); - this.date(date.getUTCDate()); - return this; - } - - // FORMATTING - - addFormatToken('Q', 0, 'Qo', 'quarter'); - - // ALIASES - - addUnitAlias('quarter', 'Q'); - - // PRIORITY - - addUnitPriority('quarter', 7); - - // PARSING - - addRegexToken('Q', match1); - addParseToken('Q', function (input, array) { - array[MONTH] = (toInt(input) - 1) * 3; - }); - - // MOMENTS - - function getSetQuarter(input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - } - - // FORMATTING - - addFormatToken('D', ['DD', 2], 'Do', 'date'); - - // ALIASES - - addUnitAlias('date', 'D'); - - // PRIORITY - addUnitPriority('date', 9); - - // PARSING - - addRegexToken('D', match1to2); - addRegexToken('DD', match1to2, match2); - addRegexToken('Do', function (isStrict, locale) { - // TODO: Remove "ordinalParse" fallback in next major release. - return isStrict ? - (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : - locale._dayOfMonthOrdinalParseLenient; - }); - - addParseToken(['D', 'DD'], DATE); - addParseToken('Do', function (input, array) { - array[DATE] = toInt(input.match(match1to2)[0]); - }); - - // MOMENTS - - var getSetDayOfMonth = makeGetSet('Date', true); - - // FORMATTING - - addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); - - // ALIASES - - addUnitAlias('dayOfYear', 'DDD'); - - // PRIORITY - addUnitPriority('dayOfYear', 4); - - // PARSING - - addRegexToken('DDD', match1to3); - addRegexToken('DDDD', match3); - addParseToken(['DDD', 'DDDD'], function (input, array, config) { - config._dayOfYear = toInt(input); - }); - - // HELPERS - - // MOMENTS - - function getSetDayOfYear(input) { - var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; - return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); - } - - // FORMATTING - - addFormatToken('m', ['mm', 2], 0, 'minute'); - - // ALIASES - - addUnitAlias('minute', 'm'); - - // PRIORITY - - addUnitPriority('minute', 14); - - // PARSING - - addRegexToken('m', match1to2); - addRegexToken('mm', match1to2, match2); - addParseToken(['m', 'mm'], MINUTE); - - // MOMENTS - - var getSetMinute = makeGetSet('Minutes', false); - - // FORMATTING - - addFormatToken('s', ['ss', 2], 0, 'second'); - - // ALIASES - - addUnitAlias('second', 's'); - - // PRIORITY - - addUnitPriority('second', 15); - - // PARSING - - addRegexToken('s', match1to2); - addRegexToken('ss', match1to2, match2); - addParseToken(['s', 'ss'], SECOND); - - // MOMENTS - - var getSetSecond = makeGetSet('Seconds', false); - - // FORMATTING - - addFormatToken('S', 0, 0, function () { - return ~~(this.millisecond() / 100); - }); - - addFormatToken(0, ['SS', 2], 0, function () { - return ~~(this.millisecond() / 10); - }); - - addFormatToken(0, ['SSS', 3], 0, 'millisecond'); - addFormatToken(0, ['SSSS', 4], 0, function () { - return this.millisecond() * 10; - }); - addFormatToken(0, ['SSSSS', 5], 0, function () { - return this.millisecond() * 100; - }); - addFormatToken(0, ['SSSSSS', 6], 0, function () { - return this.millisecond() * 1000; - }); - addFormatToken(0, ['SSSSSSS', 7], 0, function () { - return this.millisecond() * 10000; - }); - addFormatToken(0, ['SSSSSSSS', 8], 0, function () { - return this.millisecond() * 100000; - }); - addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { - return this.millisecond() * 1000000; - }); - - - // ALIASES - - addUnitAlias('millisecond', 'ms'); - - // PRIORITY - - addUnitPriority('millisecond', 16); - - // PARSING - - addRegexToken('S', match1to3, match1); - addRegexToken('SS', match1to3, match2); - addRegexToken('SSS', match1to3, match3); - - var token; - for (token = 'SSSS'; token.length <= 9; token += 'S') { - addRegexToken(token, matchUnsigned); - } - - function parseMs(input, array) { - array[MILLISECOND] = toInt(('0.' + input) * 1000); - } - - for (token = 'S'; token.length <= 9; token += 'S') { - addParseToken(token, parseMs); - } - // MOMENTS - - var getSetMillisecond = makeGetSet('Milliseconds', false); - - // FORMATTING - - addFormatToken('z', 0, 0, 'zoneAbbr'); - addFormatToken('zz', 0, 0, 'zoneName'); - - // MOMENTS - - function getZoneAbbr() { - return this._isUTC ? 'UTC' : ''; - } - - function getZoneName() { - return this._isUTC ? 'Coordinated Universal Time' : ''; - } - - var proto = Moment.prototype; - - proto.add = add; - proto.calendar = calendar$1; - proto.clone = clone; - proto.diff = diff; - proto.endOf = endOf; - proto.format = format; - proto.from = from; - proto.fromNow = fromNow; - proto.to = to; - proto.toNow = toNow; - proto.get = stringGet; - proto.invalidAt = invalidAt; - proto.isAfter = isAfter; - proto.isBefore = isBefore; - proto.isBetween = isBetween; - proto.isSame = isSame; - proto.isSameOrAfter = isSameOrAfter; - proto.isSameOrBefore = isSameOrBefore; - proto.isValid = isValid$2; - proto.lang = lang; - proto.locale = locale; - proto.localeData = localeData; - proto.max = prototypeMax; - proto.min = prototypeMin; - proto.parsingFlags = parsingFlags; - proto.set = stringSet; - proto.startOf = startOf; - proto.subtract = subtract; - proto.toArray = toArray; - proto.toObject = toObject; - proto.toDate = toDate; - proto.toISOString = toISOString; - proto.inspect = inspect; - proto.toJSON = toJSON; - proto.toString = toString; - proto.unix = unix; - proto.valueOf = valueOf; - proto.creationData = creationData; - proto.year = getSetYear; - proto.isLeapYear = getIsLeapYear; - proto.weekYear = getSetWeekYear; - proto.isoWeekYear = getSetISOWeekYear; - proto.quarter = proto.quarters = getSetQuarter; - proto.month = getSetMonth; - proto.daysInMonth = getDaysInMonth; - proto.week = proto.weeks = getSetWeek; - proto.isoWeek = proto.isoWeeks = getSetISOWeek; - proto.weeksInYear = getWeeksInYear; - proto.isoWeeksInYear = getISOWeeksInYear; - proto.date = getSetDayOfMonth; - proto.day = proto.days = getSetDayOfWeek; - proto.weekday = getSetLocaleDayOfWeek; - proto.isoWeekday = getSetISODayOfWeek; - proto.dayOfYear = getSetDayOfYear; - proto.hour = proto.hours = getSetHour; - proto.minute = proto.minutes = getSetMinute; - proto.second = proto.seconds = getSetSecond; - proto.millisecond = proto.milliseconds = getSetMillisecond; - proto.utcOffset = getSetOffset; - proto.utc = setOffsetToUTC; - proto.local = setOffsetToLocal; - proto.parseZone = setOffsetToParsedOffset; - proto.hasAlignedHourOffset = hasAlignedHourOffset; - proto.isDST = isDaylightSavingTime; - proto.isLocal = isLocal; - proto.isUtcOffset = isUtcOffset; - proto.isUtc = isUtc; - proto.isUTC = isUtc; - proto.zoneAbbr = getZoneAbbr; - proto.zoneName = getZoneName; - proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); - proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); - proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); - proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); - proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); - - function createUnix(input) { - return createLocal(input * 1000); - } - - function createInZone() { - return createLocal.apply(null, arguments).parseZone(); - } - - function preParsePostFormat(string) { - return string; - } - - var proto$1 = Locale.prototype; - - proto$1.calendar = calendar; - proto$1.longDateFormat = longDateFormat; - proto$1.invalidDate = invalidDate; - proto$1.ordinal = ordinal; - proto$1.preparse = preParsePostFormat; - proto$1.postformat = preParsePostFormat; - proto$1.relativeTime = relativeTime; - proto$1.pastFuture = pastFuture; - proto$1.set = set; - - proto$1.months = localeMonths; - proto$1.monthsShort = localeMonthsShort; - proto$1.monthsParse = localeMonthsParse; - proto$1.monthsRegex = monthsRegex; - proto$1.monthsShortRegex = monthsShortRegex; - proto$1.week = localeWeek; - proto$1.firstDayOfYear = localeFirstDayOfYear; - proto$1.firstDayOfWeek = localeFirstDayOfWeek; - - proto$1.weekdays = localeWeekdays; - proto$1.weekdaysMin = localeWeekdaysMin; - proto$1.weekdaysShort = localeWeekdaysShort; - proto$1.weekdaysParse = localeWeekdaysParse; - - proto$1.weekdaysRegex = weekdaysRegex; - proto$1.weekdaysShortRegex = weekdaysShortRegex; - proto$1.weekdaysMinRegex = weekdaysMinRegex; - - proto$1.isPM = localeIsPM; - proto$1.meridiem = localeMeridiem; - - function get$1(format, index, field, setter) { - var locale = getLocale(); - var utc = createUTC().set(setter, index); - return locale[field](utc, format); - } - - function listMonthsImpl(format, index, field) { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - - if (index != null) { - return get$1(format, index, field, 'month'); - } - - var i; - var out = []; - for (i = 0; i < 12; i++) { - out[i] = get$1(format, i, field, 'month'); - } - return out; - } - - // () - // (5) - // (fmt, 5) - // (fmt) - // (true) - // (true, 5) - // (true, fmt, 5) - // (true, fmt) - function listWeekdaysImpl(localeSorted, format, index, field) { - if (typeof localeSorted === 'boolean') { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } else { - format = localeSorted; - index = format; - localeSorted = false; - - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } - - var locale = getLocale(), - shift = localeSorted ? locale._week.dow : 0; - - if (index != null) { - return get$1(format, (index + shift) % 7, field, 'day'); - } - - var i; - var out = []; - for (i = 0; i < 7; i++) { - out[i] = get$1(format, (i + shift) % 7, field, 'day'); - } - return out; - } - - function listMonths(format, index) { - return listMonthsImpl(format, index, 'months'); - } - - function listMonthsShort(format, index) { - return listMonthsImpl(format, index, 'monthsShort'); - } - - function listWeekdays(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); - } - - function listWeekdaysShort(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); - } - - function listWeekdaysMin(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); - } - - getSetGlobalLocale('en', { - dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, - ordinal: function (number) { - var b = number % 10, - output = (toInt(number % 100 / 10) === 1) ? 'th' : - (b === 1) ? 'st' : - (b === 2) ? 'nd' : - (b === 3) ? 'rd' : 'th'; - return number + output; - } - }); - - // Side effect imports - - hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); - hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); - - var mathAbs = Math.abs; - - function abs() { - var data = this._data; - - this._milliseconds = mathAbs(this._milliseconds); - this._days = mathAbs(this._days); - this._months = mathAbs(this._months); - - data.milliseconds = mathAbs(data.milliseconds); - data.seconds = mathAbs(data.seconds); - data.minutes = mathAbs(data.minutes); - data.hours = mathAbs(data.hours); - data.months = mathAbs(data.months); - data.years = mathAbs(data.years); - - return this; - } - - function addSubtract$1(duration, input, value, direction) { - var other = createDuration(input, value); - - duration._milliseconds += direction * other._milliseconds; - duration._days += direction * other._days; - duration._months += direction * other._months; - - return duration._bubble(); - } - - // supports only 2.0-style add(1, 's') or add(duration) - function add$1(input, value) { - return addSubtract$1(this, input, value, 1); - } - - // supports only 2.0-style subtract(1, 's') or subtract(duration) - function subtract$1(input, value) { - return addSubtract$1(this, input, value, -1); - } - - function absCeil(number) { - if (number < 0) { - return Math.floor(number); - } else { - return Math.ceil(number); - } - } - - function bubble() { - var milliseconds = this._milliseconds; - var days = this._days; - var months = this._months; - var data = this._data; - var seconds, minutes, hours, years, monthsFromDays; - - // if we have a mix of positive and negative values, bubble down first - // check: https://github.com/moment/moment/issues/2166 - if (!((milliseconds >= 0 && days >= 0 && months >= 0) || - (milliseconds <= 0 && days <= 0 && months <= 0))) { - milliseconds += absCeil(monthsToDays(months) + days) * 864e5; - days = 0; - months = 0; - } - - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; - - seconds = absFloor(milliseconds / 1000); - data.seconds = seconds % 60; - - minutes = absFloor(seconds / 60); - data.minutes = minutes % 60; - - hours = absFloor(minutes / 60); - data.hours = hours % 24; - - days += absFloor(hours / 24); - - // convert days to months - monthsFromDays = absFloor(daysToMonths(days)); - months += monthsFromDays; - days -= absCeil(monthsToDays(monthsFromDays)); - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - data.days = days; - data.months = months; - data.years = years; - - return this; - } - - function daysToMonths(days) { - // 400 years have 146097 days (taking into account leap year rules) - // 400 years have 12 months === 4800 - return days * 4800 / 146097; - } - - function monthsToDays(months) { - // the reverse of daysToMonths - return months * 146097 / 4800; - } - - function as(units) { - if (!this.isValid()) { - return NaN; - } - var days; - var months; - var milliseconds = this._milliseconds; - - units = normalizeUnits(units); - - if (units === 'month' || units === 'quarter' || units === 'year') { - days = this._days + milliseconds / 864e5; - months = this._months + daysToMonths(days); - switch (units) { - case 'month': - return months; - case 'quarter': - return months / 3; - case 'year': - return months / 12; - } - } else { - // handle milliseconds separately because of floating point math errors (issue #1867) - days = this._days + Math.round(monthsToDays(this._months)); - switch (units) { - case 'week' : - return days / 7 + milliseconds / 6048e5; - case 'day' : - return days + milliseconds / 864e5; - case 'hour' : - return days * 24 + milliseconds / 36e5; - case 'minute' : - return days * 1440 + milliseconds / 6e4; - case 'second' : - return days * 86400 + milliseconds / 1000; - // Math.floor prevents floating point math errors here - case 'millisecond': - return Math.floor(days * 864e5) + milliseconds; - default: - throw new Error('Unknown unit ' + units); - } - } - } - - // TODO: Use this.as('ms')? - function valueOf$1() { - if (!this.isValid()) { - return NaN; - } - return ( - this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6 - ); - } - - function makeAs(alias) { - return function () { - return this.as(alias); - }; - } - - var asMilliseconds = makeAs('ms'); - var asSeconds = makeAs('s'); - var asMinutes = makeAs('m'); - var asHours = makeAs('h'); - var asDays = makeAs('d'); - var asWeeks = makeAs('w'); - var asMonths = makeAs('M'); - var asQuarters = makeAs('Q'); - var asYears = makeAs('y'); - - function clone$1() { - return createDuration(this); - } - - function get$2(units) { - units = normalizeUnits(units); - return this.isValid() ? this[units + 's']() : NaN; - } - - function makeGetter(name) { - return function () { - return this.isValid() ? this._data[name] : NaN; - }; - } - - var milliseconds = makeGetter('milliseconds'); - var seconds = makeGetter('seconds'); - var minutes = makeGetter('minutes'); - var hours = makeGetter('hours'); - var days = makeGetter('days'); - var months = makeGetter('months'); - var years = makeGetter('years'); - - function weeks() { - return absFloor(this.days() / 7); - } - - var round = Math.round; - var thresholds = { - ss: 44, // a few seconds to seconds - s: 45, // seconds to minute - m: 45, // minutes to hour - h: 22, // hours to day - d: 26, // days to month - M: 11 // months to year - }; - - // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize - function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { - return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); - } - - function relativeTime$1(posNegDuration, withoutSuffix, locale) { - var duration = createDuration(posNegDuration).abs(); - var seconds = round(duration.as('s')); - var minutes = round(duration.as('m')); - var hours = round(duration.as('h')); - var days = round(duration.as('d')); - var months = round(duration.as('M')); - var years = round(duration.as('y')); - - var a = seconds <= thresholds.ss && ['s', seconds] || - seconds < thresholds.s && ['ss', seconds] || - minutes <= 1 && ['m'] || - minutes < thresholds.m && ['mm', minutes] || - hours <= 1 && ['h'] || - hours < thresholds.h && ['hh', hours] || - days <= 1 && ['d'] || - days < thresholds.d && ['dd', days] || - months <= 1 && ['M'] || - months < thresholds.M && ['MM', months] || - years <= 1 && ['y'] || ['yy', years]; - - a[2] = withoutSuffix; - a[3] = +posNegDuration > 0; - a[4] = locale; - return substituteTimeAgo.apply(null, a); - } - - // This function allows you to set the rounding function for relative time strings - function getSetRelativeTimeRounding(roundingFunction) { - if (roundingFunction === undefined) { - return round; - } - if (typeof (roundingFunction) === 'function') { - round = roundingFunction; - return true; - } - return false; - } - - // This function allows you to set a threshold for relative time strings - function getSetRelativeTimeThreshold(threshold, limit) { - if (thresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return thresholds[threshold]; - } - thresholds[threshold] = limit; - if (threshold === 's') { - thresholds.ss = limit - 1; - } - return true; - } - - function humanize(withSuffix) { - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var locale = this.localeData(); - var output = relativeTime$1(this, !withSuffix, locale); - - if (withSuffix) { - output = locale.pastFuture(+this, output); - } - - return locale.postformat(output); - } - - var abs$1 = Math.abs; - - function sign(x) { - return ((x > 0) - (x < 0)) || +x; - } - - function toISOString$1() { - // for ISO strings we do not use the normal bubbling rules: - // * milliseconds bubble up until they become hours - // * days do not bubble at all - // * months bubble up until they become years - // This is because there is no context-free conversion between hours and days - // (think of clock changes) - // and also not between days and months (28-31 days per month) - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var seconds = abs$1(this._milliseconds) / 1000; - var days = abs$1(this._days); - var months = abs$1(this._months); - var minutes, hours, years; - - // 3600 seconds -> 60 minutes -> 1 hour - minutes = absFloor(seconds / 60); - hours = absFloor(minutes / 60); - seconds %= 60; - minutes %= 60; - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var Y = years; - var M = months; - var D = days; - var h = hours; - var m = minutes; - var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; - var total = this.asSeconds(); - - if (!total) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } - - var totalSign = total < 0 ? '-' : ''; - var ymSign = sign(this._months) !== sign(total) ? '-' : ''; - var daysSign = sign(this._days) !== sign(total) ? '-' : ''; - var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; - - return totalSign + 'P' + - (Y ? ymSign + Y + 'Y' : '') + - (M ? ymSign + M + 'M' : '') + - (D ? daysSign + D + 'D' : '') + - ((h || m || s) ? 'T' : '') + - (h ? hmsSign + h + 'H' : '') + - (m ? hmsSign + m + 'M' : '') + - (s ? hmsSign + s + 'S' : ''); - } - - var proto$2 = Duration.prototype; - - proto$2.isValid = isValid$1; - proto$2.abs = abs; - proto$2.add = add$1; - proto$2.subtract = subtract$1; - proto$2.as = as; - proto$2.asMilliseconds = asMilliseconds; - proto$2.asSeconds = asSeconds; - proto$2.asMinutes = asMinutes; - proto$2.asHours = asHours; - proto$2.asDays = asDays; - proto$2.asWeeks = asWeeks; - proto$2.asMonths = asMonths; - proto$2.asQuarters = asQuarters; - proto$2.asYears = asYears; - proto$2.valueOf = valueOf$1; - proto$2._bubble = bubble; - proto$2.clone = clone$1; - proto$2.get = get$2; - proto$2.milliseconds = milliseconds; - proto$2.seconds = seconds; - proto$2.minutes = minutes; - proto$2.hours = hours; - proto$2.days = days; - proto$2.weeks = weeks; - proto$2.months = months; - proto$2.years = years; - proto$2.humanize = humanize; - proto$2.toISOString = toISOString$1; - proto$2.toString = toISOString$1; - proto$2.toJSON = toISOString$1; - proto$2.locale = locale; - proto$2.localeData = localeData; - - proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); - proto$2.lang = lang; - - // Side effect imports - - // FORMATTING - - addFormatToken('X', 0, 0, 'unix'); - addFormatToken('x', 0, 0, 'valueOf'); - - // PARSING - - addRegexToken('x', matchSigned); - addRegexToken('X', matchTimestamp); - addParseToken('X', function (input, array, config) { - config._d = new Date(parseFloat(input, 10) * 1000); - }); - addParseToken('x', function (input, array, config) { - config._d = new Date(toInt(input)); - }); - - // Side effect imports - - - hooks.version = '2.24.0'; - - setHookCallback(createLocal); - - hooks.fn = proto; - hooks.min = min; - hooks.max = max; - hooks.now = now; - hooks.utc = createUTC; - hooks.unix = createUnix; - hooks.months = listMonths; - hooks.isDate = isDate; - hooks.locale = getSetGlobalLocale; - hooks.invalid = createInvalid; - hooks.duration = createDuration; - hooks.isMoment = isMoment; - hooks.weekdays = listWeekdays; - hooks.parseZone = createInZone; - hooks.localeData = getLocale; - hooks.isDuration = isDuration; - hooks.monthsShort = listMonthsShort; - hooks.weekdaysMin = listWeekdaysMin; - hooks.defineLocale = defineLocale; - hooks.updateLocale = updateLocale; - hooks.locales = listLocales; - hooks.weekdaysShort = listWeekdaysShort; - hooks.normalizeUnits = normalizeUnits; - hooks.relativeTimeRounding = getSetRelativeTimeRounding; - hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; - hooks.calendarFormat = getCalendarFormat; - hooks.prototype = proto; - - // currently HTML5 input type only supports 24-hour formats - hooks.HTML5_FMT = { - DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // <input type="datetime-local" /> - DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // <input type="datetime-local" step="1" /> - DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // <input type="datetime-local" step="0.001" /> - DATE: 'YYYY-MM-DD', // <input type="date" /> - TIME: 'HH:mm', // <input type="time" /> - TIME_SECONDS: 'HH:mm:ss', // <input type="time" step="1" /> - TIME_MS: 'HH:mm:ss.SSS', // <input type="time" step="0.001" /> - WEEK: 'GGGG-[W]WW', // <input type="week" /> - MONTH: 'YYYY-MM' // <input type="month" /> - }; - - return hooks; - - }))); - }); - - var FORMATS = { - datetime: 'MMM D, YYYY, h:mm:ss a', - millisecond: 'h:mm:ss.SSS a', - second: 'h:mm:ss a', - minute: 'h:mm a', - hour: 'hA', - day: 'MMM D', - week: 'll', - month: 'MMM YYYY', - quarter: '[Q]Q - YYYY', - year: 'YYYY' - }; - - core_adapters._date.override(typeof moment === 'function' ? { - _id: 'moment', // DEBUG ONLY - - formats: function () { - return FORMATS; - }, - - parse: function (value, format) { - if (typeof value === 'string' && typeof format === 'string') { - value = moment(value, format); - } else if (!(value instanceof moment)) { - value = moment(value); - } - return value.isValid() ? value.valueOf() : null; - }, - - format: function (time, format) { - return moment(time).format(format); - }, - - add: function (time, amount, unit) { - return moment(time).add(amount, unit).valueOf(); - }, - - diff: function (max, min, unit) { - return moment(max).diff(moment(min), unit); - }, - - startOf: function (time, unit, weekday) { - time = moment(time); - if (unit === 'isoWeek') { - return time.isoWeekday(weekday).valueOf(); - } - return time.startOf(unit).valueOf(); - }, - - endOf: function (time, unit) { - return moment(time).endOf(unit).valueOf(); - }, - - // DEPRECATIONS - - /** - * Provided for backward compatibility with scale.getValueForPixel(). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function (time) { - return moment(time); - }, - } : {}); - - core_defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } - }); - - var mappers = { - dataset: function (source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function (point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function (source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - if (helpers$1.isArray(boundary)) { - return function (point, i) { - return boundary[i]; - }; - } - - return function (point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } - }; - -// @todo if (fill[0] === '#') - function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } - } - - function computeLinearBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; - - if (isFinite(fill)) { - return null; - } - - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). - - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } - - if (helpers$1.isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } - - return null; - } - - function computeCircularBoundary(source) { - var scale = source.el._scale; - var options = scale.options; - var length = scale.chart.data.labels.length; - var fill = source.fill; - var target = []; - var start, end, center, i, point; - - if (!length) { - return null; - } - - start = options.ticks.reverse ? scale.max : scale.min; - end = options.ticks.reverse ? scale.min : scale.max; - center = scale.getPointPositionForValue(0, start); - for (i = 0; i < length; ++i) { - point = fill === 'start' || fill === 'end' - ? scale.getPointPositionForValue(i, fill === 'start' ? start : end) - : scale.getBasePosition(i); - if (options.gridLines.circular) { - point.cx = center.x; - point.cy = center.y; - point.angle = scale.getIndexAngle(i) - Math.PI / 2; - } - target.push(point); - } - return target; - } - - function computeBoundary(source) { - var scale = source.el._scale || {}; - - if (scale.getPointPositionForValue) { - return computeCircularBoundary(source); - } - return computeLinearBoundary(source); - } - - function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; - - if (!propagate) { - return fill; - } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; - } - - return false; - } - - function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; - - if (fill === false) { - return null; - } - - if (!isFinite(fill)) { - type = 'boundary'; - } - - return mappers[type](source); - } - - function isDrawable(point) { - return point && !point.skip; - } - - function drawArea(ctx, curve0, curve1, len0, len1) { - var i, cx, cy, r; - - if (!len0 || !len1) { - return; - } - - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - if (curve1[0].angle !== undefined) { - cx = curve1[0].cx; - cy = curve1[0].cy; - r = Math.sqrt(Math.pow(curve1[0].x - cx, 2) + Math.pow(curve1[0].y - cy, 2)); - for (i = len1 - 1; i > 0; --i) { - ctx.arc(cx, cy, r, curve1[i].angle, curve1[i - 1].angle, true); - } - return; - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); - } - } - - function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1, loopOffset; - - ctx.beginPath(); - - for (i = 0, ilen = count; i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (loop && loopOffset === undefined && d0) { - loopOffset = i + 1; - ilen = count + loopOffset; - } - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); - } - - var plugin_filler = { - id: 'filler', - - afterDatasetsUpdate: function (chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetsDraw: function (chart) { - var metasets = chart._getSortedVisibleDatasetMetas(); - var ctx = chart.ctx; - var meta, i, el, view, points, mapper, color; - - for (i = metasets.length - 1; i >= 0; --i) { - meta = metasets[i].$filler; - - if (!meta || !meta.visible) { - continue; - } - - el = meta.el; - view = el._view; - points = el._children || []; - mapper = meta.mapper; - color = view.backgroundColor || core_defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers$1.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers$1.canvas.unclipArea(ctx); - } - } - } - }; - - var getRtlHelper$1 = helpers$1.rtl.getRtlAdapter; - var noop$1 = helpers$1.noop; - var valueOrDefault$e = helpers$1.valueOrDefault; - - core_defaults._set('global', { - legend: { - display: true, - position: 'top', - align: 'center', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function (e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - onLeave: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function (chart) { - var datasets = chart.data.datasets; - var options = chart.options.legend || {}; - var usePointStyle = options.labels && options.labels.usePointStyle; - - return chart._getSortedDatasetMetas().map(function (meta) { - var style = meta.controller.getStyle(usePointStyle ? 0 : undefined); - - return { - text: datasets[meta.index].label, - fillStyle: style.backgroundColor, - hidden: !chart.isDatasetVisible(meta.index), - lineCap: style.borderCapStyle, - lineDash: style.borderDash, - lineDashOffset: style.borderDashOffset, - lineJoin: style.borderJoinStyle, - lineWidth: style.borderWidth, - strokeStyle: style.borderColor, - pointStyle: style.pointStyle, - rotation: style.rotation, - - // Below is extra data used for toggling the datasets - datasetIndex: meta.index - }; - }, this); - } - } - }, - - legendCallback: function (chart) { - var list = document.createElement('ul'); - var datasets = chart.data.datasets; - var i, ilen, listItem, listItemSpan; - - list.setAttribute('class', chart.id + '-legend'); - - for (i = 0, ilen = datasets.length; i < ilen; i++) { - listItem = list.appendChild(document.createElement('li')); - listItemSpan = listItem.appendChild(document.createElement('span')); - listItemSpan.style.backgroundColor = datasets[i].backgroundColor; - if (datasets[i].label) { - listItem.appendChild(document.createTextNode(datasets[i].label)); - } - } - - return list.outerHTML; - } - }); - - /** - * Helper function to get the box width based on the usePointStyle option - * @param {object} labelopts - the label options on the legend - * @param {number} fontSize - the label font size - * @return {number} width of the color box area - */ - function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ? - fontSize : - labelOpts.boxWidth; - } - - /** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ - var Legend = core_element.extend({ - - initialize: function (config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - - /** - * @private - */ - me._hoveredItem = null; - - // Are we in doughnut mode which has a different data type - me.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop$1, - update: function (maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop$1, - - // - - beforeSetDimensions: noop$1, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$1, - - // - - beforeBuildLabels: noop$1, - buildLabels: function () { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function (item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop$1, - - // - - beforeFit: noop$1, - fit: function () { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (!display) { - me.width = minSize.width = me.height = minSize.height = 0; - return; - } - ctx.font = labelFont.string; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - - helpers$1.each(me.legendItems, function (legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (i === 0 || lineWidths[lineWidths.length - 1] + width + 2 * labelOpts.padding > minSize.width) { - totalHeight += fontSize + labelOpts.padding; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var columnHeights = me.columnHeights = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - - helpers$1.each(me.legendItems, function (legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (i > 0 && currentColHeight + fontSize + 2 * vPadding > minSize.height) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - columnHeights.push(currentColHeight); - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += fontSize + vPadding; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - columnHeights.push(currentColHeight); - minSize.width += totalWidth; - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop$1, - - // Shared Methods - isHorizontal: function () { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function () { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; - var lineDefault = globalDefaults.elements.line; - var legendHeight = me.height; - var columnHeights = me.columnHeights; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (!opts.display) { - return; - } - - var rtlHelper = getRtlHelper$1(opts.rtl, me.left, me.minSize.width); - var ctx = me.ctx; - var fontColor = valueOrDefault$e(labelOpts.fontColor, globalDefaults.defaultFontColor); - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - var cursor; - - // Canvas setup - ctx.textAlign = rtlHelper.textAlign('left'); - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont.string; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function (x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - var lineWidth = valueOrDefault$e(legendItem.lineWidth, lineDefault.borderWidth); - ctx.fillStyle = valueOrDefault$e(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault$e(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault$e(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault$e(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault$e(legendItem.strokeStyle, defaultColor); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault$e(legendItem.lineDash, lineDefault.borderDash)); - } - - if (labelOpts && labelOpts.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = boxWidth * Math.SQRT2 / 2; - var centerX = rtlHelper.xPlus(x, boxWidth / 2); - var centerY = y + fontSize / 2; - - // Draw pointStyle as legend symbol - helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY, legendItem.rotation); - } else { - // Draw box as legend symbol - ctx.fillRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize); - if (lineWidth !== 0) { - ctx.strokeRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize); - } - } - - ctx.restore(); - }; - - var fillText = function (x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = rtlHelper.xPlus(x, boxWidth + halfFontSize); - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(rtlHelper.xPlus(xLeft, textWidth), yMiddle); - ctx.stroke(); - } - }; - - var alignmentOffset = function (dimension, blockSize) { - switch (opts.align) { - case 'start': - return labelOpts.padding; - case 'end': - return dimension - blockSize; - default: // center - return (dimension - blockSize + labelOpts.padding) / 2; - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + alignmentOffset(legendWidth, lineWidths[0]), - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + alignmentOffset(legendHeight, columnHeights[0]), - line: 0 - }; - } - - helpers$1.rtl.overrideTextDirection(me.ctx, opts.textDirection); - - var itemHeight = fontSize + labelOpts.padding; - helpers$1.each(me.legendItems, function (legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - rtlHelper.setWidth(me.minSize.width); - - // Use (me.left + me.minSize.width) and (me.top + me.minSize.height) - // instead of me.right and me.bottom because me.width and me.height - // may have been changed since me.minSize was calculated - if (isHorizontal) { - if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + alignmentOffset(legendWidth, lineWidths[cursor.line]); - } - } else if (i > 0 && y + itemHeight > me.top + me.minSize.height) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - cursor.line++; - y = cursor.y = me.top + alignmentOffset(legendHeight, columnHeights[cursor.line]); - } - - var realX = rtlHelper.x(x); - - drawLegendBox(realX, y, legendItem); - - hitboxes[i].left = rtlHelper.leftForLtr(realX, hitboxes[i].width); - hitboxes[i].top = y; - - // Fill the actual label - fillText(realX, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + labelOpts.padding; - } else { - cursor.y += itemHeight; - } - }); - - helpers$1.rtl.restoreTextDirection(me.ctx, opts.textDirection); - }, - - /** - * @private - */ - _getLegendItemAt: function (x, y) { - var me = this; - var i, hitBox, lh; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - return me.legendItems[i]; - } - } - } - - return null; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - */ - handleEvent: function (e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var hoveredItem; - - if (type === 'mousemove') { - if (!opts.onHover && !opts.onLeave) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - hoveredItem = me._getLegendItemAt(e.x, e.y); - - if (type === 'click') { - if (hoveredItem && opts.onClick) { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, hoveredItem); - } - } else { - if (opts.onLeave && hoveredItem !== me._hoveredItem) { - if (me._hoveredItem) { - opts.onLeave.call(me, e.native, me._hoveredItem); - } - me._hoveredItem = hoveredItem; - } - - if (opts.onHover && hoveredItem) { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, hoveredItem); - } - } - } - }); - - function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - core_layouts.configure(chart, legend, legendOpts); - core_layouts.addBox(chart, legend); - chart.legend = legend; - } - - var plugin_legend = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function (chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function (chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers$1.mergeIf(legendOpts, core_defaults.global.legend); - - if (legend) { - core_layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - core_layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function (chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } - }; - - var noop$2 = helpers$1.noop; - - core_defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } - }); - - /** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ - var Title = core_element.extend({ - initialize: function (config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop$2, - update: function (maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop$2, - - // - - beforeSetDimensions: noop$2, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$2, - - // - - beforeBuildLabels: noop$2, - buildLabels: noop$2, - afterBuildLabels: noop$2, - - // - - beforeFit: noop$2, - fit: function () { - var me = this; - var opts = me.options; - var minSize = me.minSize = {}; - var isHorizontal = me.isHorizontal(); - var lineCount, textSize; - - if (!opts.display) { - me.width = minSize.width = me.height = minSize.height = 0; - return; - } - - lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1; - textSize = lineCount * helpers$1.options._parseFont(opts).lineHeight + opts.padding * 2; - - me.width = minSize.width = isHorizontal ? me.maxWidth : textSize; - me.height = minSize.height = isHorizontal ? textSize : me.maxHeight; - }, - afterFit: noop$2, - - // Shared Methods - isHorizontal: function () { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function () { - var me = this; - var ctx = me.ctx; - var opts = me.options; - - if (!opts.display) { - return; - } - - var fontOpts = helpers$1.options._parseFont(opts); - var lineHeight = fontOpts.lineHeight; - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour - ctx.font = fontOpts.string; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers$1.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - }); - - function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - core_layouts.configure(chart, title, titleOpts); - core_layouts.addBox(chart, title); - chart.titleBlock = title; - } - - var plugin_title = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function (chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function (chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers$1.mergeIf(titleOpts, core_defaults.global.title); - - if (titleBlock) { - core_layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - core_layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } - }; - - var plugins = {}; - var filler = plugin_filler; - var legend = plugin_legend; - var title = plugin_title; - plugins.filler = filler; - plugins.legend = legend; - plugins.title = title; - - /** - * @namespace Chart - */ - - - core_controller.helpers = helpers$1; - -// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! - core_helpers(); - - core_controller._adapters = core_adapters; - core_controller.Animation = core_animation; - core_controller.animationService = core_animations; - core_controller.controllers = controllers; - core_controller.DatasetController = core_datasetController; - core_controller.defaults = core_defaults; - core_controller.Element = core_element; - core_controller.elements = elements; - core_controller.Interaction = core_interaction; - core_controller.layouts = core_layouts; - core_controller.platform = platform; - core_controller.plugins = core_plugins; - core_controller.Scale = core_scale; - core_controller.scaleService = core_scaleService; - core_controller.Ticks = core_ticks; - core_controller.Tooltip = core_tooltip; - -// Register built-in scales - - core_controller.helpers.each(scales, function (scale, type) { - core_controller.scaleService.registerScaleType(type, scale, scale._defaults); - }); - -// Load to register built-in adapters (as side effects) - - -// Loading built-in plugins - - for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - core_controller.plugins.register(plugins[k]); - } - } - - core_controller.platform.initialize(); - - var src = core_controller; - if (typeof window !== 'undefined') { - window.Chart = core_controller; - } - -// DEPRECATIONS - - /** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Chart - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - core_controller.Chart = core_controller; - - /** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - core_controller.Legend = plugins.legend._element; - - /** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - core_controller.Title = plugins.title._element; - - /** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - core_controller.pluginService = core_controller.plugins; - - /** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_controller.PluginBase = core_controller.Element.extend({}); - - /** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - core_controller.canvasHelpers = core_controller.helpers.canvas; - - /** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.7.3 - * @todo remove at version 3 - * @private - */ - core_controller.layoutService = core_controller.layouts; - - /** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.LinearScaleBase - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ - core_controller.LinearScaleBase = scale_linearbase; - - /** - * Provided for backward compatibility, instead we should create a new Chart - * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - core_controller.helpers.each( - [ - 'Bar', - 'Bubble', - 'Doughnut', - 'Line', - 'PolarArea', - 'Radar', - 'Scatter' - ], - function (klass) { - core_controller[klass] = function (ctx, cfg) { - return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, { - type: klass.charAt(0).toLowerCase() + klass.slice(1) - })); - }; - } - ); - - return src; - -}))); |