Use 'pagehide' for page termination by default. #4886
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🦋 Changeset detectedLatest commit: f5584da The changes in this PR will be included in the next version bump. This PR includes changesets to release 3 packages
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packages/firestore/src/util/types.ts
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| * if available, it falls back to the less reliable 'unload'. | ||
| */ | ||
| export function terminationEvent(window: WindowLike | null): string { | ||
| return 'onpagehide' in window! ? 'pagehide' : 'unload'; |
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I think you can just use "pagehide" and do not need to fall back: https://caniuse.com/page-transition-events
schmidt-sebastian
approved these changes
May 11, 2021
…ebase-js-sdk into wuandy/WiserPageTermination
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0xdevalias
reviewed
Jun 5, 2021
| @@ -58,7 +58,7 @@ export class FakeWindow implements WindowLike { | |||
| case 'storage': | |||
| this.storageListeners.push(listener); | |||
| break; | |||
| case 'unload': | |||
| case 'pagehide': | |||
| case 'visibilitychange': | |||
| // The spec tests currently do not rely on `unload`/`visibilitychange` | |||
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[nit] Looks like this comment refers to the old ‘unload’ rather than ‘pagehide’
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Thanks for catching this. WIll fix soon.
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Fix: #4236
See: https://developers.google.com/web/updates/2018/07/page-lifecycle-api#legacy-lifecycle-apis-to-avoid