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[Mobile] - List V2 - Prevent error when list is empty #43861

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merged 1 commit into from
Sep 5, 2022

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@geriux geriux commented Sep 5, 2022

Fixes wordpress-mobile/gutenberg-mobile#5135

What?

Brings changes from #43761 since this branch doesn't have the full merge from trunk we can't cherry-pick it.

Why?

Currently, there's a crash in the production app where pasting or opening a post with an empty list would crash the editor.

How?

Brings the changes from #43761 which adds a safe check before accessing the tagName prop.

Testing Instructions

Precondition: A site with Gutenberg >= 13.8 plugin. (Already available on simple sites).

Another option is to use a self-hosted site and install the latest Gutenberg plugin version >= 13.8.0. You can install the latest version here. List V2 is now enabled by default for mobile.

NOTE: Sometimes the new List block won't be shown the first time the editor is opened due to fetching the flag value when opening the editor, so if you still see the old version without inner blocks, close the editor and open it again.

  • Open the editor
  • Paste the following content:
<!-- wp:list -->
<ul><li></li></ul>
<!-- /wp:list -->
  • Expect the editor to not crash and the empty list to be created correctly.

Screenshots or screencast

Before After

@geriux geriux added the Mobile App - i.e. Android or iOS Native mobile impl of the block editor. (Note: used in scripts, ping mobile folks to change) label Sep 5, 2022
@geriux geriux requested a review from dcalhoun September 5, 2022 13:51
@geriux geriux requested a review from ajitbohra as a code owner September 5, 2022 13:51
@geriux geriux removed the request for review from ajitbohra September 5, 2022 13:51
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Size Change: +4 B (0%)

Total Size: 1.27 MB

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🚀 LGTM. I verified the fix works on a iPhone 13 simulator and Android emulator. Thanks for putting this together so quickly.

@geriux geriux merged commit c711f26 into rnmobile/release_1.81.2 Sep 5, 2022
@geriux geriux deleted the rnmobile/fix/empty-list-block branch September 5, 2022 15:38
geriux pushed a commit that referenced this pull request Sep 6, 2022
* Release script: Update react-native-editor version to 1.81.0

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

* Release script: Update react-native-editor version to 1.81.1

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

* [Mobile] - Add BlockListCompact (#43431)

* Mobile - Introduce BlockListCompact - Lighter version of the default BlockList with simpler functionality for use cases like the List V2 block

* Mobile - Update List V2 tests since it's not needed to fire the layout event change with the BlockListCompact component

* Mobile - BlockListCompact - Add note of the component props and which block is currently using it

* [RNMobile] List block v2: Fix text color inconsistencies with list items (#43244)

* List block v2: use default color for preferred color scheme
* Use usePreferredColorSchemeStyle hook for List Item style
* Remove unneeded font-size value from list item styles

* Mobile - Disable FastImage on Android (#43322)

* [Mobile] - Fix dynamic React Native version (#43058)

* Mobile - Fix dynamic React Native version

* Mobile - Adds jvmargs setting

* [RNMobile] Use default placeholder text color for native List Item (#43353)

* Use default placeholder text color for native List Item

* Move list item placeholder hex value to stylesheet

* Resolve test failure

* Add opacity to list block placeholder color styles

* Update List block v2 placholder currentTextColor

* Mobile - List Item - Check if currentTextColor is not undefined and moves opacity value into a const

* Mobile - List Item - Add optional chaining for style.color

Co-authored-by: Gerardo <gerardo.pacheco@automattic.com>

* Mobile - Update CHANGELOG

* Release script: Update react-native-editor version to 1.81.2

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

* Mobile - List V2 - Prevent error when list is empty (#43861)

* Mobile - Update Changelog

Co-authored-by: Derek Blank <derekpblank@gmail.com>
Co-authored-by: David Calhoun <438664+dcalhoun@users.noreply.github.com>
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