| '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, ''); |
| }; |