34 lines
915 B
JavaScript
34 lines
915 B
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.isIterable = isIterable;
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exports.getIterator = getIterator;
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exports.makeIterable = makeIterable;
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/** @license MIT License (c) copyright 2010-2016 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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/* global Set, Symbol */
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var iteratorSymbol;
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// Firefox ships a partial implementation using the name @@iterator.
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// https://bugzilla.mozilla.org/show_bug.cgi?id=907077#c14
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if (typeof Set === 'function' && typeof new Set()['@@iterator'] === 'function') {
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iteratorSymbol = '@@iterator';
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} else {
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iteratorSymbol = typeof Symbol === 'function' ? Symbol.iterator : '_es6shim_iterator_';
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}
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function isIterable(o) {
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return typeof o[iteratorSymbol] === 'function';
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}
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function getIterator(o) {
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return o[iteratorSymbol]();
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}
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function makeIterable(f, o) {
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o[iteratorSymbol] = f;
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return o;
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} |