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26 lines
744 B
26 lines
744 B
/* |
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Copyright 2019 Google LLC |
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Use of this source code is governed by an MIT-style |
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license that can be found in the LICENSE file or at |
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https://opensource.org/licenses/MIT. |
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*/ |
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import { Router } from '../Router.js'; |
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import '../_version.js'; |
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let defaultRouter; |
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/** |
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* Creates a new, singleton Router instance if one does not exist. If one |
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* does already exist, that instance is returned. |
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* |
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* @private |
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* @return {Router} |
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*/ |
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export const getOrCreateDefaultRouter = () => { |
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if (!defaultRouter) { |
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defaultRouter = new Router(); |
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// The helpers that use the default Router assume these listeners exist. |
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defaultRouter.addFetchListener(); |
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defaultRouter.addCacheListener(); |
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} |
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return defaultRouter; |
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};
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