Skip to content

Build Package: Restore Core Boot layout compatibility #82112

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ciampo merged 3 commits into from
Aug 27, 2026
Merged

Build Package: Restore Core Boot layout compatibility #82112

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8ee826e
Build Package: Restore Core Boot layout compatibility
ciampo Aug 27, 2026
0d83cdc
Build Package: Add compatibility fix changelog entry
ciampo Aug 27, 2026
ea7ca14
Build Package: Document Boot compatibility class
ciampo Aug 27, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions packages/wp-build/CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@

## Unreleased

### Bug Fixes

- Pages: preserve the Core Boot layout compatibility class in generated wp-admin page templates so short pages fill the viewport when using Core's bundled Boot module ([#82112](https://github.com/WordPress/gutenberg/pull/82112)).

## 0.22.0 (2026-08-26)

### Internal
Expand Down
16 changes: 16 additions & 0 deletions packages/wp-build/lib/test/php-generator.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
import { renderTemplateToString as generateTemplate } from '../php-generator.mjs';

describe( 'page-wp-admin.php template', () => {
it( 'retains the Core Boot compatibility class on the mount element', async () => {
const generatedPage = await generateTemplate(
'page-wp-admin.php.template',
{
'{{PAGE_SLUG}}': 'example',
}
);

expect( generatedPage ).toContain(
'<div id="example-wp-admin-app" class="boot-layout-container"></div>'
);
} );
} );
8 changes: 6 additions & 2 deletions packages/wp-build/templates/page-wp-admin.php.template
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -328,10 +328,14 @@ function {{PREFIX}}_{{PAGE_SLUG_UNDERSCORE}}_wp_admin_render_page() {
);
?>
</div>
<div id="{{PAGE_SLUG}}-wp-admin-app"></div>
<?php
// Core's pre-CSS Modules Boot layout uses this class for viewport sizing.
// Remove it when the minimum supported WordPress version includes the Boot
// changes from Gutenberg #81756.
?>
<div id="{{PAGE_SLUG}}-wp-admin-app" class="boot-layout-container"></div>
<?php
}

// Hook the enqueue function to admin_enqueue_scripts
add_action( 'admin_enqueue_scripts', '{{PREFIX}}_{{PAGE_SLUG_UNDERSCORE}}_wp_admin_enqueue_scripts' );

Loading