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Blocks: Register block when invalid value provided for the icon #34350

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merged 2 commits into from Sep 1, 2021

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@gziolo gziolo commented Aug 27, 2021

Description

Fixes #18894.

Before WordPress 5.3, it was possible to register a block type using an empty string or null value for icon. This would result in the block type using the default 'block' icon.

In WordPress 5.3, a block type registered with icon: '' or icon: null will trigger this warning:

image

The early return statement added in 1a7255f#diff-bcd12caf7289c956a519c4cd8f3f363eR144-R150 causes the block type to not be registered.

My expectation is that a block type with icon: '' or icon: null would be registered with a default icon.

How has this been tested?

I successfully registered and inserted a block with the icon field set to icon: null and icon: ''. I confirmed that the default block icon was used.

Types of changes

Bug fix (non-breaking change which fixes an issue). Backward compatibility.

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • 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 (please manually search all *.native.js files for terms that need renaming or removal).

@gziolo gziolo self-assigned this Aug 27, 2021
@gziolo gziolo added [Package] Blocks /packages/blocks [Feature] Block API API that allows to express the block paradigm. Backwards Compatibility Issues or PRs that impact backwards compatability [Type] Regression Related to a regression in the latest release labels Aug 27, 2021
@@ -25,14 +25,13 @@ import {
import { applyFilters } from '@wordpress/hooks';
import { select, dispatch } from '@wordpress/data';
import { _x } from '@wordpress/i18n';
import { blockDefault } from '@wordpress/icons';
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@youknowriad, would it be fine to remove the dependency on @wordpress/icons here?

We map block-default to the same icon anyway:

if ( icon?.src === 'block-default' ) {
icon = {
src: blockDefault,
};

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Sure, the goal was to illuminate string icons in Gutenberg and it seems we may not be there for a long time still.

@gziolo gziolo force-pushed the fix/block-registration-invalid-icon branch from d53e92d to 0977229 Compare September 1, 2021 09:16
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Size Change: -189 B (0%)

Total Size: 1.04 MB

Filename Size Change
build/blocks/index.min.js 46.9 kB -189 B (0%)
ℹ️ View Unchanged
Filename Size
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compressed-size-action

@gziolo gziolo merged commit 796d25c into trunk Sep 1, 2021
@gziolo gziolo deleted the fix/block-registration-invalid-icon branch September 1, 2021 10:49
@github-actions github-actions bot added this to the Gutenberg 11.5 milestone Sep 1, 2021
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Labels
Backwards Compatibility Issues or PRs that impact backwards compatability [Feature] Block API API that allows to express the block paradigm. [Package] Blocks /packages/blocks [Type] Regression Related to a regression in the latest release
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Block type unexpectedly not registered when icon is '' or null in WordPress 5.3
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