aaac7fed
 liuqimichale
add
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'use strict';
exports.repeat = function (str, num) {
var result = '';
for (var i = 0; i < num; i++) { result += str; }
return result;
};
exports.arrayEqual = function (a, b) {
if (a.length !== b.length) { return false; }
for (var i = 0; i < a.length; i++) {
if (a[i] !== b[i]) { return false; }
}
return true;
};
exports.trimChars = function (str, chars) {
var start = 0;
var end = str.length - 1;
while (chars.indexOf(str.charAt(start)) >= 0) { start++; }
while (chars.indexOf(str.charAt(end)) >= 0) { end--; }
return str.slice(start, end + 1);
};
exports.capitalize = function (str) {
return str.charAt(0).toUpperCase() + str.slice(1);
};
exports.arrayUnion = function () {
var result = [];
for (var i = 0, values = {}; i < arguments.length; i++) {
var arr = arguments[i];
for (var j = 0; j < arr.length; j++) {
if (!values[arr[j]]) {
values[arr[j]] = true;
result.push(arr[j]);
}
}
}
return result;
};
function has(obj, key) {
return Object.prototype.hasOwnProperty.call(obj, key);
}
exports.has = has;
exports.extend = function (dest, src) {
for (var i in src) {
if (has(src, i)) { dest[i] = src[i]; }
}
};
exports.trimEnd = function (str) {
return str.replace(/\s+$/g, '');
};
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