feat(session): Send save request via sendBeacon at beforeunload#6798
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feat(session): Send save request via sendBeacon at beforeunload#6798
sendBeacon at beforeunload#6798Conversation
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## main #6798 +/- ##
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- Coverage 58.79% 58.76% -0.03%
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Files 477 477
Lines 35855 35885 +30
Branches 988 988
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+ Hits 21080 21089 +9
- Misses 14670 14691 +21
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I will try it out |
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A good way to test this is to set a debugger breakpoint (e.g. in |
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/backport to stable31 |
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/backport to stable30 |
It used to check if the last saved version of the document is older than the current version. But `document.currentVersion` no longer exists in the backend response, so this didn't work since quite some time. Signed-off-by: Jonas <jonas@freesources.org>
This will send a final save request on unsaved changes via the browsers native `navigator.sendBeacon()` function when navigating away from the website or the tab/browser is closed. Fixes: #6606 Implementation details: * While `beforeunload` event is less reliable than `visibilitychange` according to different sources on the internet, tests in Firefox on Linux desktop revealed that `visibilitychange` event doesn't fire when opening a new website in the same tab. `beforeunload` on the other hand reliably worked when switching web page and closing tab/browser. * We add and remove the `beforeunload` event with every `dirty` state change because according to MDN documentation websites with a registered `beforeunload` event don't benefit from bfcache optimization. See https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event Signed-off-by: Jonas <jonas@freesources.org>
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📝 Summary
This will send a final save request on unsaved changes via the browsers native
navigator.sendBeacon()function when navigating away from the website or the tab/browser is closed.Implementation details:
beforeunloadevent is less reliable thanvisibilitychangeaccording to different sources on the internet, tests in Firefox on Linux desktop revealed thatvisibilitychangeevent doesn't fire when opening a new website in the same tab.beforeunloadon the other hand reliably worked when switching web page and closing tab/browser.beforeunloadevent with everydirtystate change because according to MDN documentation websites with a registeredbeforeunloadevent don't benefit from bfcache optimization. See https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_eventFixes: #6606
🏁 Checklist
npm run lint/npm run stylelint/composer run cs:check)