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<?php |
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/** |
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* Adds inline script to extend customize-preview.js. |
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* |
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* @package gutenberg |
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*/ |
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|
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/** |
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* Adds JS logic to the Customizer preview for live previewing Custom CSS for Block Themes. |
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* |
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* The logic in this function would be back-ported into customize-preview.js. |
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* This was committed to wordpress-develop trunk in <https://core.trac.wordpress.org/changeset/60522>. |
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*/ |
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function gutenberg_add_customizer_block_theme_custom_css_preview_js() { |
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if ( ! wp_is_block_theme() ) { |
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return; |
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} |
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|
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$setting_id = 'custom_css[' . get_stylesheet() . ']'; |
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|
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$js_function = <<<JS |
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( settingId ) => { |
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wp.customize.bind( 'preview-ready', () => { |
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// Skip running logic that is already merged in trunk. |
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if ( window._wpCustomizeSettings.theme.isBlockTheme ) { |
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return; |
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} |
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|
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wp.customize( settingId, function ( setting ) { |
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setting.bind( function ( newValue ) { |
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const style = document.querySelector( 'style#global-styles-inline-css' ); |
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if ( ! style ) { |
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return; |
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} |
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|
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// Forbid milestone comments from appearing in Custom CSS which would break live preview. |
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newValue = newValue.replace( /\/\*(BEGIN|END)_CUSTOMIZER_CUSTOM_CSS\*\//g, '' ); |
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|
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style.textContent = style.textContent.replace( |
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/(\/\*BEGIN_CUSTOMIZER_CUSTOM_CSS\*\/)((?:.|\s)*?)(\/\*END_CUSTOMIZER_CUSTOM_CSS\*\/)/, |
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function ( match, beforeComment, oldValue, afterComment ) { |
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return beforeComment + newValue + afterComment; |
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} |
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); |
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} ); |
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} ); |
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} ); |
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} |
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JS; |
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wp_add_inline_script( |
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'customize-preview', |
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sprintf( '( %s )( %s )', $js_function, wp_json_encode( $setting_id, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ) ) |
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); |
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} |
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|
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if ( version_compare( get_bloginfo( 'version' ), '6.9.0', '<' ) ) { |
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add_action( 'customize_preview_init', 'gutenberg_add_customizer_block_theme_custom_css_preview_js' ); |
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} |
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|
