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wp-content/themes/twentytwentytwo/functions.php

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+<?php
+/**
+ * Twenty Twenty-Two functions and definitions
+ *
+ * @link https://developer.wordpress.org/themes/basics/theme-functions/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twenty_Two
+ * @since Twenty Twenty-Two 1.0
+ */
+
+
+if ( ! function_exists( 'twentytwentytwo_support' ) ) :
+
+	/**
+	 * Sets up theme defaults and registers support for various WordPress features.
+	 *
+	 * @since Twenty Twenty-Two 1.0
+	 *
+	 * @return void
+	 */
+	function twentytwentytwo_support() {
+
+		// Add support for block styles.
+		add_theme_support( 'wp-block-styles' );
+
+		// Enqueue editor styles.
+		add_editor_style( 'style.css' );
+
+	}
+
+endif;
+
+add_action( 'after_setup_theme', 'twentytwentytwo_support' );
+
+if ( ! function_exists( 'twentytwentytwo_styles' ) ) :
+
+	/**
+	 * Enqueue styles.
+	 *
+	 * @since Twenty Twenty-Two 1.0
+	 *
+	 * @return void
+	 */
+	function twentytwentytwo_styles() {
+		// Register theme stylesheet.
+		$theme_version = wp_get_theme()->get( 'Version' );
+
+		$version_string = is_string( $theme_version ) ? $theme_version : false;
+		wp_register_style(
+			'twentytwentytwo-style',
+			get_template_directory_uri() . '/style.css',
+			array(),
+			$version_string
+		);
+
+		// Add styles inline.
+		wp_add_inline_style( 'twentytwentytwo-style', twentytwentytwo_get_font_face_styles() );
+
+		// Enqueue theme stylesheet.
+		wp_enqueue_style( 'twentytwentytwo-style' );
+
+	}
+
+endif;
+
+add_action( 'wp_enqueue_scripts', 'twentytwentytwo_styles' );
+
+if ( ! function_exists( 'twentytwentytwo_editor_styles' ) ) :
+
+	/**
+	 * Enqueue editor styles.
+	 *
+	 * @since Twenty Twenty-Two 1.0
+	 *
+	 * @return void
+	 */
+	function twentytwentytwo_editor_styles() {
+
+		// Add styles inline.
+		wp_add_inline_style( 'wp-block-library', twentytwentytwo_get_font_face_styles() );
+
+	}
+
+endif;
+
+add_action( 'admin_init', 'twentytwentytwo_editor_styles' );
+
+
+if ( ! function_exists( 'twentytwentytwo_get_font_face_styles' ) ) :
+
+	/**
+	 * Get font face styles.
+	 * Called by functions twentytwentytwo_styles() and twentytwentytwo_editor_styles() above.
+	 *
+	 * @since Twenty Twenty-Two 1.0
+	 *
+	 * @return string
+	 */
+	function twentytwentytwo_get_font_face_styles() {
+
+		return "
+		@font-face{
+			font-family: 'Source Serif Pro';
+			font-weight: 200 900;
+			font-style: normal;
+			font-stretch: normal;
+			font-display: swap;
+			src: url('" . get_theme_file_uri( 'assets/fonts/SourceSerif4Variable-Roman.ttf.woff2' ) . "') format('woff2');
+		}
+
+		@font-face{
+			font-family: 'Source Serif Pro';
+			font-weight: 200 900;
+			font-style: italic;
+			font-stretch: normal;
+			font-display: swap;
+			src: url('" . get_theme_file_uri( 'assets/fonts/SourceSerif4Variable-Italic.ttf.woff2' ) . "') format('woff2');
+		}
+		";
+
+	}
+
+endif;
+
+if ( ! function_exists( 'twentytwentytwo_preload_webfonts' ) ) :
+
+	/**
+	 * Preloads the main web font to improve performance.
+	 *
+	 * Only the main web font (font-style: normal) is preloaded here since that font is always relevant (it is used
+	 * on every heading, for example). The other font is only needed if there is any applicable content in italic style,
+	 * and therefore preloading it would in most cases regress performance when that font would otherwise not be loaded
+	 * at all.
+	 *
+	 * @since Twenty Twenty-Two 1.0
+	 *
+	 * @return void
+	 */
+	function twentytwentytwo_preload_webfonts() {
+		?>
+		<link rel="preload" href="<?php echo esc_url( get_theme_file_uri( 'assets/fonts/SourceSerif4Variable-Roman.ttf.woff2' ) ); ?>" as="font" type="font/woff2" crossorigin>
+		<?php
+	}
+
+endif;
+
+add_action( 'wp_head', 'twentytwentytwo_preload_webfonts' );
+
+// Add block patterns
+require get_template_directory() . '/inc/block-patterns.php';