_sub-array-dummy-safe.js
606 Bytes
"use strict";
var setPrototypeOf = require("../object/set-prototype-of")
, isExtensible = require("./_is-extensible");
module.exports = (function () {
var SubArray;
if (isExtensible) return require("./_sub-array-dummy");
if (!setPrototypeOf) return null;
SubArray = function () {
var arr = Array.apply(this, arguments);
setPrototypeOf(arr, SubArray.prototype);
return arr;
};
setPrototypeOf(SubArray, Array);
SubArray.prototype = Object.create(Array.prototype, {
constructor: { value: SubArray,
enumerable: false,
writable: true,
configurable: true }
});
return SubArray;
}());