← Back
Editing: iterator-create-constructor.js
'use strict'; var IteratorPrototype = require('../internals/iterators-core').IteratorPrototype; var create = require('../internals/object-create'); var createPropertyDescriptor = require('../internals/create-property-descriptor'); var setToStringTag = require('../internals/set-to-string-tag'); var Iterators = require('../internals/iterators'); var returnThis = function () { return this; }; module.exports = function (IteratorConstructor, NAME, next, ENUMERABLE_NEXT) { var TO_STRING_TAG = NAME + ' Iterator'; IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(+!ENUMERABLE_NEXT, next) }); setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true); Iterators[TO_STRING_TAG] = returnThis; return IteratorConstructor; };
Save File
Cancel