Introduce perflab_get_asset_src()

Author: westonruter

plugins/performance-lab/includes/admin/load.php

@@ -213,6 +213,48 @@ function perflab_dismiss_wp_pointer_wrapper(): void {
 }
 add_action( 'wp_ajax_dismiss-wp-pointer', 'perflab_dismiss_wp_pointer_wrapper', 0 );
 
+/**
+ * Gets the URL to a script or stylesheet.
+ *
+ * @since n.e.x.t
+ *
+ * @param string      $src_path Source path.
+ * @param string|null $min_path Minified path. If not supplied, then '.min' is injected before the file extension in the source path.
+ * @return string URL to script or stylesheet.
+ */
+function perflab_get_asset_src( string $src_path, ?string $min_path = null ): string {
+	$dir_url = plugin_dir_url( PERFLAB_MAIN_FILE );
+
+	if ( null === $min_path ) {
+		// Note: wp_scripts_get_suffix() is not used here because we need access to both the source and minified paths.
+		$min_path = preg_replace( '/(?=\.\w+$)/', '.min', $src_path );
+	}
+
+	$force_src = false;
+	if (
+		( WP_DEBUG || wp_get_environment_type() === 'local' )
+		&&
+		! file_exists( PERFLAB_PLUGIN_DIR_PATH . $min_path )
+	) {
+		$force_src = true;
+		wp_trigger_error(
+			__FUNCTION__,
+			sprintf(
+				/* translators: %s is the minified asset path */
+				__( 'Minified asset has not been built: %s', 'performance-lab' ),
+				$min_path
+			),
+			E_USER_WARNING
+		);
+	}
+
+	if ( SCRIPT_DEBUG || $force_src ) {
+		return $dir_url . $src_path;
+	}
+
+	return $dir_url . $min_path;
+}
+
 /**
  * Callback function to handle admin scripts.
  *
@@ -228,7 +270,7 @@ function perflab_enqueue_features_page_scripts(): void {
 	// Enqueue plugin activate AJAX script and localize script data.
 	wp_enqueue_script(
 		'perflab-plugin-activate-ajax',
-		plugin_dir_url( PERFLAB_MAIN_FILE ) . 'includes/admin/plugin-activate-ajax' . wp_scripts_get_suffix() . '.js',
+		perflab_get_asset_src( 'includes/admin/plugin-activate-ajax.js' ),
 		array( 'wp-i18n', 'wp-a11y', 'wp-api-fetch' ),
 		PERFLAB_VERSION,
 		true