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[Mobile] - Fix crash when deleting a block #27683

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merged 1 commit into from
Dec 11, 2020

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@geriux geriux commented Dec 11, 2020

Gutenberg Mobile PR -> wordpress-mobile/gutenberg-mobile#2892

Fixes wordpress-mobile/gutenberg-mobile#2886

Description

This PR fixes some cases where getBlockAttributes can be null (for example when deleting a block) causing a crash on the mobile editor.

How has this been tested?

On the WordPress app with metro running

Case 1

  • Create a new Post
  • Add a Group block
  • Add a Heading block with some text within the Group block
  • Save the post
  • Select the Heading block and delete it using the toolbar menu (three dots) and then the Remove block option
  • Expect the block to be removed without any errors

Case 2

  • Create a new Post
  • Add a Group block
  • Add a Buttons block within the Group block
  • Set a text for the Button and a link
  • Save the post
  • Select the Buttons block and delete it using the toolbar menu (three dots) and then the Remove block option
  • Expect the block to be removed without any errors

Case 3

  • Create a new page
  • Select the first About layout
  • Tap on Create page
  • Find the first Button block Contact me
  • Select it and delete it using the toolbar menu (three dots) and then the Remove block option
  • Expect the editor to not crash

Screenshots

Before After

Types of changes

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR.

@geriux geriux added [Type] Bug An existing feature does not function as intended Mobile App - i.e. Android or iOS Native mobile impl of the block editor. (Note: used in scripts, ping mobile folks to change) labels Dec 11, 2020
@geriux geriux requested a review from ellatrix as a code owner December 11, 2020 16:20
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Size Change: +4 B (0%)

Total Size: 1.28 MB

Filename Size Change
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@geriux geriux requested a review from antonis December 11, 2020 16:35
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It does fix the issue and I think this is safe to merge to fix our current crashes!

However we might want to investigate why blocks.attributes[ blockId ] is empty in the store, that shouldn't happen in theory, so we might be doing something wrong.

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geriux commented Dec 11, 2020

However we might want to investigate why blocks.attributes[ blockId ] is empty in the store, that shouldn't happen in theory, so we might be doing something wrong.

Definitely, this is not the only case where we do this so we should investigate it.

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Great job tracing this down @geriux 👍
Works as expected and the code LGTM 🎉

@geriux geriux merged commit edcacaa into master Dec 11, 2020
@geriux geriux deleted the rnmobile/fix-block-null-attributes branch December 11, 2020 17:34
@github-actions github-actions bot added this to the Gutenberg 9.6 milestone Dec 11, 2020
guarani pushed a commit that referenced this pull request Dec 11, 2020
Tug pushed a commit that referenced this pull request Dec 11, 2020
cameronvoell pushed a commit that referenced this pull request Dec 23, 2020
* Release script: Update react-native-editor version to 1.43.0

* Release script: Update with changes from 'npm run core preios'

* [Mobile] Treat a string that only contains the formatting marker as empty for block formatting (#27583)

* Treat a string that only contains the formatting marker as empty

* Update changelog

* Mobile - Fix some cases where getBlockAttributes can be null when removing a block (#27683)

* Updated CHANGELOG for release.

* Removed this entry from this release since it's a hotfix.

* Fix RN editor package.json indentation

Co-authored-by: Chip <[email protected]>
Co-authored-by: Gerardo Pacheco <[email protected]>
Co-authored-by: Joel Dean <[email protected]>
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Mobile App - i.e. Android or iOS Native mobile impl of the block editor. (Note: used in scripts, ping mobile folks to change) [Type] Bug An existing feature does not function as intended
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Crash when deleting block from page template
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