%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Bootstraps Global Styles.
*
* @package gutenberg
*/
/**
* Register webfonts defined in theme.json.
*/
function gutenberg_register_webfonts_from_theme_json() {
// Get settings.
$settings = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data()->get_settings();
// If in the editor, add webfonts defined in variations.
if ( is_admin() || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) ) {
$variations = WP_Theme_JSON_Resolver_Gutenberg::get_style_variations();
foreach ( $variations as $variation ) {
// Sanity check: Skip if fontFamilies are not defined in the variation.
if (
empty( $variation['settings'] ) ||
empty( $variation['settings']['typography'] ) ||
empty( $variation['settings']['typography']['fontFamilies'] )
) {
continue;
}
// Merge the variation settings with the global settings.
$settings['typography'] = empty( $settings['typography'] ) ? array() : $settings['typography'];
$settings['typography']['fontFamilies'] = empty( $settings['typography']['fontFamilies'] ) ? array() : $settings['typography']['fontFamilies'];
$settings['typography']['fontFamilies']['theme'] = empty( $settings['typography']['fontFamilies'] ) ? array() : $settings['typography']['fontFamilies']['theme'];
$settings['typography']['fontFamilies']['theme'] = array_merge( $settings['typography']['fontFamilies']['theme'], $variation['settings']['typography']['fontFamilies']['theme'] );
// Make sure there are no duplicates.
$settings['typography']['fontFamilies'] = array_unique( $settings['typography']['fontFamilies'] );
}
}
// Bail out early if there are no settings for webfonts.
if ( empty( $settings['typography'] ) || empty( $settings['typography']['fontFamilies'] ) ) {
return;
}
$webfonts = array();
// Look for fontFamilies.
foreach ( $settings['typography']['fontFamilies'] as $font_families ) {
foreach ( $font_families as $font_family ) {
// Skip if fontFace is not defined.
if ( empty( $font_family['fontFace'] ) ) {
continue;
}
$font_family['fontFace'] = (array) $font_family['fontFace'];
foreach ( $font_family['fontFace'] as $font_face ) {
// Skip if the webfont was registered through the Webfonts API.
if ( isset( $font_face['origin'] ) && 'gutenberg_wp_webfonts_api' === $font_face['origin'] ) {
continue;
}
// Check if webfonts have a "src" param, and if they do account for the use of "file:./".
if ( ! empty( $font_face['src'] ) ) {
$font_face['src'] = (array) $font_face['src'];
foreach ( $font_face['src'] as $src_key => $url ) {
// Tweak the URL to be relative to the theme root.
if ( ! str_starts_with( $url, 'file:./' ) ) {
continue;
}
$font_face['src'][ $src_key ] = get_theme_file_uri( str_replace( 'file:./', '', $url ) );
}
}
// Convert keys to kebab-case.
foreach ( $font_face as $property => $value ) {
$kebab_case = _wp_to_kebab_case( $property );
$font_face[ $kebab_case ] = $value;
if ( $kebab_case !== $property ) {
unset( $font_face[ $property ] );
}
}
$webfonts[] = $font_face;
}
}
}
foreach ( $webfonts as $webfont ) {
wp_webfonts()->register_webfont( $webfont );
}
foreach ( $webfonts as $webfont ) {
wp_webfonts()->enqueue_webfont( $webfont['font-family'] );
}
}
/**
* Add missing fonts data to the global styles.
*
* @param array $data The global styles.
* @return array The global styles with missing fonts data.
*/
function gutenberg_add_registered_webfonts_to_theme_json( $data ) {
$font_families_registered = wp_webfonts()->get_all_webfonts();
$font_families_from_theme = array();
if ( ! empty( $data['settings'] ) && ! empty( $data['settings']['typography'] ) && ! empty( $data['settings']['typography']['fontFamilies'] ) ) {
$font_families_from_theme = $data['settings']['typography']['fontFamilies'];
}
/**
* Helper to get an array of the font-families.
*
* @param array $families_data The font-families data.
* @return array The font-families array.
*/
$get_families = static function( $families_data ) {
$families = array();
foreach ( $families_data as $family ) {
$families[] = WP_Webfonts::get_font_slug( $family );
}
// Micro-optimization: Use array_flip( array_flip( $array ) )
// instead of array_unique( $array ) because it's faster.
// The result is the same.
return array_flip( array_flip( $families ) );
};
// Diff the arrays to find the missing fonts.
$to_add = array_diff(
array_keys( $font_families_registered ),
$get_families( $font_families_from_theme )
);
// Bail out early if there are no missing fonts.
if ( empty( $to_add ) ) {
return $data;
}
// Make sure the path to settings.typography.fontFamilies.theme exists
// before adding missing fonts.
if ( empty( $data['settings'] ) ) {
$data['settings'] = array();
}
if ( empty( $data['settings']['typography'] ) ) {
$data['settings']['typography'] = array();
}
if ( empty( $data['settings']['typography']['fontFamilies'] ) ) {
$data['settings']['typography']['fontFamilies'] = array();
}
foreach ( $to_add as $slug ) {
$font_faces_for_family = $font_families_registered[ $slug ];
$family_name = $font_faces_for_family[0]['font-family'];
$font_faces = array();
foreach ( $font_faces_for_family as $font_face ) {
$camel_cased = array( 'origin' => 'gutenberg_wp_webfonts_api' );
foreach ( $font_face as $key => $value ) {
$camel_cased[ lcfirst( str_replace( '-', '', ucwords( $key, '-' ) ) ) ] = $value;
}
$font_faces[] = $camel_cased;
}
$data['settings']['typography']['fontFamilies'][] = array(
'fontFamily' => str_contains( $family_name, ' ' ) ? "'{$family_name}'" : $family_name,
'name' => $family_name,
'slug' => $slug,
'fontFace' => $font_faces,
);
}
return $data;
}
// `gutenberg_register_webfonts_from_theme_json()` calls `WP_Theme_JSON_Resolver_Gutenberg::get_merged_data()`, which instantiates `WP_Theme_JSON_Gutenberg()`;
// Gutenberg server-side blocks are registered via the init hook with a priority value of `20`. E.g., `add_action( 'init', 'register_block_core_image', 20 )`;
// This priority value is added dynamically during the build. See: tools/webpack/blocks.js.
// We want to make sure Gutenberg blocks are re-registered before any Theme_JSON operations take place
// so that we have access to updated merged data.
add_action( 'init', 'gutenberg_register_webfonts_from_theme_json', 21 );
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