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Direktori : /var/www/html/node_modules/core-js-pure/modules/ |
Current File : /var/www/html/node_modules/core-js-pure/modules/esnext.iterator.from.js |
// https://github.com/tc39/proposal-iterator-helpers var $ = require('../internals/export'); var apply = require('../internals/function-apply'); var anObject = require('../internals/an-object'); var toObject = require('../internals/to-object'); var isPrototypeOf = require('../internals/object-is-prototype-of'); var IteratorPrototype = require('../internals/iterators-core').IteratorPrototype; var createIteratorProxy = require('../internals/iterator-create-proxy'); var getIterator = require('../internals/get-iterator'); var getIteratorMethod = require('../internals/get-iterator-method'); var IteratorProxy = createIteratorProxy(function (args) { var result = anObject(apply(this.next, this.iterator, args)); var done = this.done = !!result.done; if (!done) return result.value; }, true); $({ target: 'Iterator', stat: true, forced: true }, { from: function from(O) { var object = toObject(O); var usingIterator = getIteratorMethod(object); var iterator; if (usingIterator) { iterator = getIterator(object, usingIterator); if (isPrototypeOf(IteratorPrototype, iterator)) return iterator; } else { iterator = object; } return new IteratorProxy({ iterator: iterator }); } });