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Replay fix for Firefox — add <head> and <body> separately (#1133)

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* Firefox fix: Allow the <head> and <body> to be added in two stages so that (presumably) stylesheet rules are ready to be applied when the body appears

The css which triggered the bug was simply

{
  margin-left: 220px;
  transition: margin-left .448s;
}

* Add a test case which can only be appreciated if you record against this file://, save the events to a html file, and then open the file in Firefox (without this PR applied)

* Apply formatting changes

* Ensure we don't apply this branch when using rrdom, where it is not necessary

* Apply formatting changes

* Rewrite insertion in order to be compatible with rrdom

Also easier to understand

* Delete transition.html

* Create grumpy-ways-own.md

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Co-authored-by: Yun Feng <yun.feng0817@gmail.com>
This commit is contained in:
Eoghan Murray
2023-02-22 05:45:29 +00:00
committed by GitHub
parent be54981358
commit c28ef5f658
2 changed files with 29 additions and 0 deletions
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'rrweb-snapshot': patch
---
Fix: CSS transitions are incorrectly being applied upon rebuild in Firefox. Presumably FF doesn't finished parsing the styles in time, and applies e.g. a default margin:0 to elements which have a non-zero margin set in CSS, along with a transition on them.
Related bug report to Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1816672​