Marc Mintel
5397309103
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58 lines
2.2 KiB
Plaintext
58 lines
2.2 KiB
Plaintext
import { WINDOW } from '../../../types.js';
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import { addPageListener } from './globalListeners.js';
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/*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Sentry-specific change:
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*
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* This function's logic was NOT updated to web-vitals 4.2.4 or 5.x but we continue
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* to use the web-vitals 3.5.2 version due to having stricter browser support.
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*
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* PR with context that made the changes:
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* https://github.com/GoogleChrome/web-vitals/pull/442/files#r1530492402
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*
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* The PR removed listening to the `pagehide` event, in favour of only listening to
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* the `visibilitychange` event. This is "more correct" but some browsers we still
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* support (Safari <14.4) don't fully support `visibilitychange` or have known bugs
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* with respect to the `visibilitychange` event.
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*
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* TODO (v11): If we decide to drop support for Safari 14.4, we can use the logic
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* from web-vitals 4.2.4. In this case, we also need to update the integration tests
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* that currently trigger the `pagehide` event to simulate the page being hidden.
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*
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* @param {OnHiddenCallback} cb - Callback to be executed when the page is hidden or unloaded.
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*
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* @deprecated use `whenIdleOrHidden` or `addPageListener('visibilitychange')` instead
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*/
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const onHidden = (cb) => {
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const onHiddenOrPageHide = (event) => {
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if (event.type === 'pagehide' || WINDOW.document?.visibilityState === 'hidden') {
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cb(event);
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}
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};
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addPageListener('visibilitychange', onHiddenOrPageHide, { capture: true, once: true });
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// Some browsers have buggy implementations of visibilitychange,
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// so we use pagehide in addition, just to be safe.
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addPageListener('pagehide', onHiddenOrPageHide, { capture: true, once: true });
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};
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export { onHidden };
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//# sourceMappingURL=onHidden.js.map
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