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- 'use strict';
- var $ = require('../internals/export');
- var lengthOfArrayLike = require('../internals/length-of-array-like');
- var toIntegerOrInfinity = require('../internals/to-integer-or-infinity');
- var toIndexedObject = require('../internals/to-indexed-object');
- var createProperty = require('../internals/create-property');
- var $Array = Array;
- var $RangeError = RangeError;
- // Firefox bug
- var INCORRECT_EXCEPTION_ON_COERCION_FAIL = (function () {
- try {
- // eslint-disable-next-line es/no-array-prototype-with, no-throw-literal -- needed for testing
- []['with']({ valueOf: function () { throw 4; } }, null);
- } catch (error) {
- return error !== 4;
- }
- })();
- // `Array.prototype.with` method
- // https://tc39.es/ecma262/#sec-array.prototype.with
- $({ target: 'Array', proto: true, forced: INCORRECT_EXCEPTION_ON_COERCION_FAIL }, {
- 'with': function (index, value) {
- var O = toIndexedObject(this);
- var len = lengthOfArrayLike(O);
- var relativeIndex = toIntegerOrInfinity(index);
- var actualIndex = relativeIndex < 0 ? len + relativeIndex : relativeIndex;
- if (actualIndex >= len || actualIndex < 0) throw new $RangeError('Incorrect index');
- var A = new $Array(len);
- var k = 0;
- for (; k < len; k++) createProperty(A, k, k === actualIndex ? value : O[k]);
- return A;
- }
- });
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