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Lodash: Refactor useArrowNav() away from _.reverse() and _.find() #41632

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merged 2 commits into from
Jun 10, 2022

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@tyxla tyxla commented Jun 9, 2022

What?

Lodash's _.reverse() is used only once in the entire codebase. This PR aims to remove that usage. We also use the opportunity to refactor a straightforward _.find() to Array.prototype.find().

Why?

Lodash is known to unnecessarily inflate the bundle size of packages, and in most cases, it can be replaced with native language functionality. See these for more information and rationale:

How?

Since there's no special nullish handling, removing reverse() and find() is straightforwardly achieved by replacing them with the corresponding Array prototype native methods.

Testing Instructions

  • Smoke test the writing flow and verify that arrow navigation still works well.
  • Verify that multi-selection and partial block selection still work well.

@tyxla tyxla added [Type] Performance Related to performance efforts [Feature] Writing Flow Block selection, navigation, splitting, merging, deletion... [Type] Code Quality Issues or PRs that relate to code quality [Package] Block editor /packages/block-editor labels Jun 9, 2022
@tyxla tyxla requested a review from ellatrix as a code owner June 9, 2022 14:02
@tyxla tyxla self-assigned this Jun 9, 2022
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github-actions bot commented Jun 9, 2022

Size Change: -8 B (0%)

Total Size: 1.24 MB

Filename Size Change
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ℹ️ View Unchanged
Filename Size
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compressed-size-action

@tyxla tyxla merged commit dbe195a into trunk Jun 10, 2022
@tyxla tyxla deleted the remove/lodash-use-arrow-nav branch June 10, 2022 09:13
@github-actions github-actions bot added this to the Gutenberg 13.5 milestone Jun 10, 2022
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[Feature] Writing Flow Block selection, navigation, splitting, merging, deletion... [Package] Block editor /packages/block-editor [Type] Code Quality Issues or PRs that relate to code quality [Type] Performance Related to performance efforts
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