shim.js•614 B
"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;
};