20 lines
614 B
JavaScript
20 lines
614 B
JavaScript
"use strict";
|
|
|
|
var isFunction = require("../../function/is-function")
|
|
, slice = Array.prototype.slice
|
|
, defineProperty = Object.defineProperty
|
|
, desc = { configurable: true, enumerable: true, writable: true, value: null };
|
|
|
|
module.exports = function (/* …items*/) {
|
|
var result, i, length;
|
|
if (!this || this === Array || !isFunction(this)) return slice.call(arguments);
|
|
result = new this((length = arguments.length));
|
|
for (i = 0; i < length; ++i) {
|
|
desc.value = arguments[i];
|
|
defineProperty(result, i, desc);
|
|
}
|
|
desc.value = null;
|
|
result.length = length;
|
|
return result;
|
|
};
|