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'use strict';
module.exports = function count_chars(str, mode) {
// eslint-disable-line camelcase
// discuss at: http://locutus.io/php/count_chars/
// original by: Ates Goral (http://magnetiq.com)
// improved by: Jack
// bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
// bugfixed by: Kevin van Zonneveld (http://kvz.io)
// input by: Brett Zamir (http://brett-zamir.me)
// revised by: Theriault (https://github.com/Theriault)
// example 1: count_chars("Hello World!", 3)
// returns 1: " !HWdelor"
// example 2: count_chars("Hello World!", 1)
// returns 2: {32:1,33:1,72:1,87:1,100:1,101:1,108:3,111:2,114:1}
var result = {};
var resultArr = [];
var i;
str = ('' + str).split('').sort().join('').match(/(.)\1*/g);
if ((mode & 1) === 0) {
for (i = 0; i !== 256; i++) {
result[i] = 0;
}
}
if (mode === 2 || mode === 4) {
for (i = 0; i !== str.length; i += 1) {
delete result[str[i].charCodeAt(0)];
}
for (i in result) {
result[i] = mode === 4 ? String.fromCharCode(i) : 0;
}
} else if (mode === 3) {
for (i = 0; i !== str.length; i += 1) {
result[i] = str[i].slice(0, 1);
}
} else {
for (i = 0; i !== str.length; i += 1) {
result[str[i].charCodeAt(0)] = str[i].length;
}
}
if (mode < 3) {
return result;
}
for (i in result) {
resultArr.push(result[i]);
}
return resultArr.join('');
};
//# sourceMappingURL=count_chars.js.map
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