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- /*
- Copyright 2016 Google Inc. All Rights Reserved.
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
-
- import '../_version.mjs';
-
- export default {
- /**
- * Return return a response (i.e. allow caching) if the
- * response is ok (i.e. 200) or is opaque.
- *
- * @param {Object} options
- * @param {Response} options.response
- * @return {Response|null}
- *
- * @private
- */
- cacheWillUpdate: ({response}) => {
- if (response.ok || response.status === 0) {
- return response;
- }
- return null;
- },
- };
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