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Image block: Add check for lightbox values during image block migration #56057

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merged 1 commit into from
Nov 13, 2023

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artemiomorales
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What?

This PR adds a check for the behaviors and behaviors.lightbox attributes during image block migration to prevent the Gutenberg editor from breaking unexpectedly

Why?

Addresses #56055
Editing image block attributes dynamically may cause block invalidation and the image's migration logic to run, bypassing the isEligible() method, and we need an extra check to ensure the editor doesn't break.

How?

It adds a check in the image block's deprecated.js.

Testing Instructions

  1. Add the following code to your theme's functions.php:
add_filter( 'block_type_metadata', 'set_image_auto_centre' );

function set_image_auto_centre( $metadata ) {
  if ( 'core/image' !== $metadata['name'] ) {
    return $metadata;
  }
  $metadata['attributes']['align']['default'] = 'center';

  return $metadata;
}
  1. Open the WordPress editor and try adding a new post.
  2. See that the editor does not break.

Screenshots or screencast

Here's a screenshot of the error one receives without the check from this PR:

Screenshot 2023-11-11 at 5 22 52 PM

@artemiomorales artemiomorales added [Type] Bug An existing feature does not function as intended [Block] Image Affects the Image Block Backport to WP Minor Release Pull request that needs to be backported to a WordPress minor release labels Nov 11, 2023
@artemiomorales artemiomorales changed the title Add check for lightbox values during image block migration Image: Add check for lightbox values during image block migration Nov 11, 2023
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Size Change: +11 B (0%)

Total Size: 1.7 MB

Filename Size Change
build/block-library/index.min.js 212 kB +11 B (0%)
ℹ️ View Unchanged
Filename Size
build/a11y/index.min.js 964 B
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isEligible is used to force a deprecation to run but that doesn't mean that for a deprecation to run, it has to be true. Deprecations first run if the block is invalid. So this fix make sense to me.

@michalczaplinski michalczaplinski merged commit 901dc7d into trunk Nov 13, 2023
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@michalczaplinski michalczaplinski deleted the fix/lightbox-migration-logic branch November 13, 2023 17:12
@github-actions github-actions bot added this to the Gutenberg 17.1 milestone Nov 13, 2023
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I just cherry-picked this PR to the 6.4-next-point-release branch to get it included in the next release: f42a5ef

@mikachan mikachan removed the Backport to WP Minor Release Pull request that needs to be backported to a WordPress minor release label Nov 13, 2023
@oandregal oandregal changed the title Image: Add check for lightbox values during image block migration Image block: Add check for lightbox values during image block migration Nov 16, 2023
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Image migration logic causes editor to break when editing image attributes dynamically
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