Customize: Allow notifications for linting errors in code editor control (for Additional CSS) to be overridden to allow saving.

Implements the same override that was implemented in [41721] for the theme/plugin editors.

See #41897, #41887.
Fixes #42528.

Built from https://develop.svn.wordpress.org/trunk@42171


git-svn-id: http://core.svn.wordpress.org/trunk@42001 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-controls.js

@@ -5280,6 +5280,27 @@
 				codemirror: $.Deferred()
 			} );
 			api.Control.prototype.initialize.call( control, id, options );
+
+			// Note that rendering is debounced so the props will be used when rendering happens after add event.
+			control.notifications.bind( 'add', function( notification ) {
+
+				// Skip if control notification is not from setting csslint_error notification.
+				if ( notification.code !== control.setting.id + ':csslint_error' ) {
+					return;
+				}
+
+				// Customize the template and behavior of csslint_error notifications.
+				notification.templateId = 'customize-code-editor-lint-error-notification';
+				notification.render = (function( render ) {
+					return function() {
+						var li = render.call( this );
+						li.find( 'input[type=checkbox]' ).on( 'click', function() {
+							control.setting.notifications.remove( 'csslint_error' );
+						} );
+						return li;
+					};
+				})( notification.render );
+			} );
 		},
 
 		/**

wp-includes/class-wp-customize-manager.php

@@ -4125,6 +4125,18 @@ final class WP_Customize_Manager {
 			</li>
 		</script>
 
+		<script type="text/html" id="tmpl-customize-code-editor-lint-error-notification">
+			<li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
+				<div class="notification-message">{{{ data.message || data.code }}}</div>
+
+				<p>
+					<# var elementId = 'el-' + String( Math.random() ); #>
+					<input id="{{ elementId }}" type="checkbox">
+					<label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label>
+				</p>
+			</li>
+		</script>
+
 		<?php
 		/* The following template is obsolete in core but retained for plugins. */
 		?>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42169';
+$wp_version = '5.0-alpha-42171';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.