'use strict'; var $ = require('../internals/export'); var toObject = require('../internals/to-object'); var lengthOfArrayLike = require('../internals/length-of-array-like'); var doesNotExceedSafeInteger = require('../internals/does-not-exceed-safe-integer'); var fails = require('../internals/fails'); var INCORRECT_TO_LENGTH = fails(function () { return [].push.call({ length: 0x100000000 }, 1) !== 4294967297; }); // V8 and Safari <= 15.4, FF < 23 throws InternalError // https://bugs.chromium.org/p/v8/issues/detail?id=12681 var SILENT_ON_NON_WRITABLE_LENGTH = !function () { try { // eslint-disable-next-line es-x/no-object-defineproperty -- safe Object.defineProperty([], 'length', { writable: false }).push(); } catch (error) { return error instanceof TypeError; } }(); // `Array.prototype.push` method // https://tc39.es/ecma262/#sec-array.prototype.push $({ target: 'Array', proto: true, arity: 1, forced: INCORRECT_TO_LENGTH || SILENT_ON_NON_WRITABLE_LENGTH }, { // eslint-disable-next-line no-unused-vars -- required for `.length` push: function push(item) { var O = toObject(this); var len = lengthOfArrayLike(O); var argCount = arguments.length; doesNotExceedSafeInteger(len + argCount); for (var i = 0; i < argCount; i++) { O[len] = arguments[i]; len++; } O.length = len; return len; } });