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<title>[55181] trunk/src/wp-includes/block-editor.php: Editor: Add 'wp-polyfill' to _wp_get_iframed_editor_assets() for inert attribute in Firefox.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/55181">55181</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/55181","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>hellofromTonya</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-02-01 20:42:23 +0000 (Wed, 01 Feb 2023)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Editor: Add 'wp-polyfill' to _wp_get_iframed_editor_assets() for inert attribute in Firefox.
Adds the polyfill script to the iframe to make the `inert` attribute work correctly in Firefox. This solves the problem that the site editor can operate on the block editor in Firefox even in browse mode.
Why?
The inert attribute is intended to render the element and its sub-tree elements `inert`, but Firefox doesn't support this attribute. For the `inert` attribute to work as intended in Firefox, even within an iframe, the script needs to be injected into the iframe as well as the global document.
References:
* [https://github.com/WordPress/gutenberg/pull/47398 Gutenberg PR 47398].
Follow-up to <a href="https://core.trac.wordpress.org/changeset/53160">[53160]</a>.
Props wildworks, mamaduka, youknowriad.
Fixes <a href="https://core.trac.wordpress.org/ticket/57552">#57552</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesblockeditorphp">trunk/src/wp-includes/block-editor.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludesblockeditorphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/block-editor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/block-editor.php 2023-02-01 20:29:56 UTC (rev 55180)
+++ trunk/src/wp-includes/block-editor.php 2023-02-01 20:42:23 UTC (rev 55181)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -298,7 +298,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function _wp_get_iframed_editor_assets() {
</span><span class="cx" style="display: block; padding: 0 10px"> global $pagenow;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $script_handles = array();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $script_handles = array(
+ 'wp-polyfill',
+ );
</ins><span class="cx" style="display: block; padding: 0 10px"> $style_handles = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'wp-edit-blocks',
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span></span></pre>
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