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'use strict';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
module.exports = function json_encode(mixedVal) {
// eslint-disable-line camelcase
// discuss at: http://phpjs.org/functions/json_encode/
// original by: Public Domain (http://www.json.org/json2.js)
// reimplemented by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// improved by: Michael White
// input by: felix
// bugfixed by: Brett Zamir (http://brett-zamir.me)
// example 1: json_encode('Kevin')
// returns 1: '"Kevin"'
/*
http://www.JSON.org/json2.js
2008-11-19
Public Domain.
NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
See http://www.JSON.org/js.html
*/
var $global = typeof window !== 'undefined' ? window : global;
$global.$locutus = $global.$locutus || {};
var $locutus = $global.$locutus;
$locutus.php = $locutus.php || {};
var json = $global.JSON;
var retVal;
try {
if ((typeof json === 'undefined' ? 'undefined' : _typeof(json)) === 'object' && typeof json.stringify === 'function') {
// Errors will not be caught here if our own equivalent to resource
retVal = json.stringify(mixedVal);
if (retVal === undefined) {
throw new SyntaxError('json_encode');
}
return retVal;
}
var value = mixedVal;
var quote = function quote(string) {
var escapeChars = ['\0-\x1F', '\x7F-\x9F', '\xAD', '\u0600-\u0604', '\u070F', '\u17B4', '\u17B5', '\u200C-\u200F', '\u2028-\u202F', '\u2060-\u206F', '\uFEFF', '\uFFF0-\uFFFF'].join('');
var escapable = new RegExp('[\\"' + escapeChars + ']', 'g');
var meta = {
// table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'\\': '\\\\'
};
escapable.lastIndex = 0;
return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' : '"' + string + '"';
};
var _str = function _str(key, holder) {
var gap = '';
var indent = ' ';
// The loop counter.
var i = 0;
// The member key.
var k = '';
// The member value.
var v = '';
var length = 0;
var mind = gap;
var partial = [];
var value = holder[key];
// If the value has a toJSON method, call it to obtain a replacement value.
if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
// What happens next depends on the value's type.
switch (typeof value === 'undefined' ? 'undefined' : _typeof(value)) {
case 'string':
return quote(value);
case 'number':
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value) ? String(value) : 'null';
case 'boolean':
case 'null':
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.
return String(value);
case 'object':
// If the type is 'object', we might be dealing with an object or an array or
// null.
// Due to a specification blunder in ECMAScript, typeof null is 'object',
// so watch out for that case.
if (!value) {
return 'null';
}
// Make an array to hold the partial results of stringifying this object value.
gap += indent;
partial = [];
// Is the value an array?
if (Object.prototype.toString.apply(value) === '[object Array]') {
// The value is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = _str(i, value) || 'null';
}
// Join all of the elements together, separated with commas, and wrap them in
// brackets.
v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']';
gap = mind;
return v;
}
// Iterate through all of the keys in the object.
for (k in value) {
if (Object.hasOwnProperty.call(value, k)) {
v = _str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
// Join all of the member texts together, separated with commas,
// and wrap them in braces.
v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}';
gap = mind;
return v;
case 'undefined':
case 'function':
default:
throw new SyntaxError('json_encode');
}
};
// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.
return _str('', {
'': value
});
} catch (err) {
// @todo: ensure error handling above throws a SyntaxError in all cases where it could
// (i.e., when the JSON global is not available and there is an error)
if (!(err instanceof SyntaxError)) {
throw new Error('Unexpected error type in json_encode()');
}
// usable by json_last_error()
$locutus.php.last_error_json = 4;
return null;
}
};
//# sourceMappingURL=json_encode.js.map
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