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[lexical-website] Bug Fix: add allow-popups-to-escape-sandbox to iframe sandbox flags #5988

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etrepum
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@etrepum etrepum commented Apr 29, 2024

Description

When playing with the examples on the website, clicking the "Fork on StackBlitz" button previously opened a blocked popup. With this sandbox flag, the popup loads without being blocked by cross-origin-opener-policy. Can reproduce with Chrome, Firefox and Safari on mac.

Test plan

Before

  • Start an example from the homepage by clicking "Run Project" and then "Fork on StackBlitz"
  • The pop-up will be blocked

After

  • Start an example from the preview site by clicking "Run Project" and then "Fork on StackBlitz"
  • The pop-up will not be blocked

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Apr 29, 2024
@etrepum etrepum marked this pull request as ready for review April 29, 2024 19:25
@@ -28,5 +28,5 @@ Once this is done, Lexical will replace all ParagraphNode instances with CustomP
style="width:100%; height:700px; border:0; border-radius:4px; overflow:hidden;"
title="lexical-collapsible-container-plugin-example"
allow="accelerometer; ambient-light-sensor; camera; encrypted-media; geolocation; gyroscope; hid; microphone; midi; payment; usb; vr; xr-spatial-tracking"
sandbox="allow-forms allow-modals allow-popups allow-presentation allow-same-origin allow-scripts"
sandbox="allow-forms allow-modals allow-popups allow-popups-to-escape-sandbox allow-presentation allow-same-origin allow-scripts"
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cool didnt know about this flag

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Me either, until I saw someone run into the bug on discord and then followed the trail 😅

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@StyleT StyleT left a comment

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Nice!

@StyleT StyleT merged commit fdce31d into facebook:main May 2, 2024
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@etrepum etrepum deleted the fix-stackblitz-allow-popups-to-escape-sandbox branch May 11, 2024 06:46
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4 participants