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Fix for classic themes using default presets #38701

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merged 1 commit into from
Feb 10, 2022
Merged

Fix for classic themes using default presets #38701

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42 changes: 30 additions & 12 deletions lib/compat/wordpress-5.9/get-global-styles-and-settings.php
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Original file line number Diff line number Diff line change
Expand Up @@ -102,26 +102,44 @@ function wp_get_global_stylesheet( $types = array() ) {
}
}

$supports_theme_json = WP_Theme_JSON_Resolver_Gutenberg::theme_has_support();
$supports_link_color = get_theme_support( 'experimental-link-color' );
$tree = WP_Theme_JSON_Resolver::get_merged_data();

$supports_theme_json = WP_Theme_JSON_Resolver::theme_has_support();
if ( empty( $types ) && ! $supports_theme_json ) {
$types = array( 'variables', 'presets' );
} elseif ( empty( $types ) ) {
$types = array( 'variables', 'styles', 'presets' );
}

$origins = array( 'default', 'theme', 'custom' );
if ( ! $supports_theme_json && ! $supports_link_color ) {
// In this case we only enqueue the core presets (CSS Custom Properties + the classes).
$origins = array( 'default' );
} elseif ( ! $supports_theme_json && $supports_link_color ) {
// For the legacy link color feature to work, the CSS Custom Properties
// should be in scope (either the core or the theme ones).
$origins = array( 'default', 'theme' );
/*
* If variables are part of the stylesheet,
* we add them for all origins (default, theme, user).
* This is so themes without a theme.json still work as before 5.9:
* they can override the default presets.
* See https://core.trac.wordpress.org/ticket/54782
*/
$styles_variables = '';
if ( in_array( 'variables', $types, true ) ) {
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$styles_variables = $tree->get_stylesheet( array( 'variables' ) );
$types = array_diff( $types, array( 'variables' ) );
}

/*
* For the remaining types (presets, styles), we do consider origins:
*
* - themes without theme.json: only the classes for the presets defined by core
* - themes with theme.json: the presets and styles classes, both from core and the theme
*/
$styles_rest = '';
if ( ! empty( $types ) ) {
$origins = array( 'default', 'theme', 'custom' );
if ( ! $supports_theme_json ) {
$origins = array( 'default' );
}
$styles_rest = $tree->get_stylesheet( $types, $origins );
}

$tree = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data();
$stylesheet = $tree->get_stylesheet( $types, $origins );
$stylesheet = $styles_variables . $styles_rest;

if ( $can_use_cached ) {
// Cache for a minute.
Expand Down