'use strict'; var addToUnscopables = require('./$.add-to-unscopables') , step = require('./$.iter-step') , Iterators = require('./$.iterators') , toIObject = require('./$.to-iobject'); // 22.1.3.4 Array.prototype.entries() // 22.1.3.13 Array.prototype.keys() // 22.1.3.29 Array.prototype.values() // 22.1.3.30 Array.prototype[@@iterator]() module.exports = require('./$.iter-define')(Array, 'Array', function(iterated, kind){ this._t = toIObject(iterated); // target this._i = 0; // next index this._k = kind; // kind // 22.1.5.2.1 %ArrayIteratorPrototype%.next() }, function(){ var O = this._t , kind = this._k , index = this._i++; if(!O || index >= O.length){ this._t = undefined; return step(1); } if(kind == 'keys' )return step(0, index); if(kind == 'values')return step(0, O[index]); return step(0, [index, O[index]]); }, 'values'); // argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7) Iterators.Arguments = Iterators.Array; addToUnscopables('keys'); addToUnscopables('values'); addToUnscopables('entries');