[WIP][lexical-rich-text][lexical-playground] Bug Fix: Prevent unnecessary history entries on DELETE_CHARACTER_COMMAND #7222
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- Simplify HeadingNode's collapseAtStart to prevent unnecessary node recreation - Return early when no actual changes are needed - Fixes facebook#5350 - DELETE_CHARACTER_COMMAND pushing meaningless history entries
- Fix test assertion for backspace at start of heading with no content - Fix test assertion for backspace at start of heading with content - Add multiple backspace operations to verify no history pollution - Properly verify undo behavior reverts to previous meaningful state Part of fix for facebook#5350 - DELETE_CHARACTER_COMMAND pushing meaningless history
kirandash
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fantactuka,
acywatson,
Fetz,
ivailop7,
Sahejkm and
potatowagon
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Description
Currently, when pressing backspace at the start of a heading with content:
collapseAtStartmethod inHeadingNodecreates unnecessary history entries even when no actual changes occurChanges in this PR:
HeadingNode.collapseAtStart()to:truewhen node has content (preventing unnecessary node creation)HeadingNodebackspace behaviorCloses #5350
Test plan
Before
lexical-5350-bug.mov
After
lexical-5350-fix.mov