1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
| "use strict";
|
| var isPlainArray = require("../../is-plain-array")
| , callable = require("../../../object/valid-callable")
| , isArray = Array.isArray
| , map = Array.prototype.map
| , forEach = Array.prototype.forEach
| , call = Function.prototype.call;
|
| module.exports = function (callbackFn/*, thisArg*/) {
| var result, thisArg;
| if (!this || !isArray(this) || isPlainArray(this)) {
| return map.apply(this, arguments);
| }
| callable(callbackFn);
| thisArg = arguments[1];
| result = new this.constructor(this.length);
| forEach.call(this, function (val, i, self) {
| result[i] = call.call(callbackFn, thisArg, val, i, self);
| });
| return result;
| };
|
|
