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private function theme_has_theme_json() { |
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// @TODO: Uncomment this once `wp_theme_has_theme_json()` caching is fixed. |
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// if ( function_exists( 'wp_theme_has_theme_json' ) ) { |
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// return wp_theme_has_theme_json(); |
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// } |
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|
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static $theme_has_support = null; |
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static $prev_stylesheet_directory = null; |
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static $prev_template_directory = null; |
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|
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$stylesheet_directory = get_stylesheet_directory(); |
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$template_directory = get_template_directory(); |
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|
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// Make sure that the cached $theme_has_support value is reset when the theme changes. |
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if ( null !== $theme_has_support && ( |
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$stylesheet_directory !== $prev_stylesheet_directory || |
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$template_directory !== $prev_template_directory |
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) ) { |
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$theme_has_support = null; |
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} |
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$prev_stylesheet_directory = $stylesheet_directory; |
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$prev_template_directory = $template_directory; |
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|
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if ( |
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null !== $theme_has_support && |
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// Ignore static cache when the development mode is set to 'theme', to avoid interfering with |
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// the theme developer's workflow. |
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( function_exists( 'wp_get_development_mode' ) && wp_get_development_mode() !== 'theme' ) |
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) { |
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return $theme_has_support; |
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} |
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|
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// This is the same as get_theme_file_path(), which isn't available in load-styles.php context. |
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if ( $stylesheet_directory !== $template_directory && file_exists( $stylesheet_directory . '/theme.json' ) ) { |
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$path = $stylesheet_directory . '/theme.json'; |
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} else { |
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$path = $template_directory . '/theme.json'; |
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} |
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|
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/** This filter is documented in wp-includes/link-template.php */ |
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$path = apply_filters( 'theme_file_path', $path, 'theme.json' ); |
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|
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$theme_has_support = file_exists( $path ); |
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|
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return $theme_has_support; |
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} |
