debugging fixes

native/wordpress/maple-fonts-wp/maple-local-fonts.php

@@ -282,24 +282,41 @@ function mlf_get_capability() {
  * @return WP_Theme_JSON_Data Modified theme.json data.
  */
 function mlf_add_fonts_to_theme_json($theme_json) {
+    // Wrap in try-catch to prevent breaking Site Editor if something goes wrong
+    try {
         $registry = new MLF_Font_Registry();
         $fonts = $registry->get_imported_fonts_with_src();
 
-    if (empty($fonts)) {
+        if (empty($fonts) || !is_array($fonts)) {
             return $theme_json;
         }
 
         // Build our font families
         $font_families = [];
         $font_dir = wp_get_font_dir();
+
+        if (empty($font_dir['url'])) {
+            return $theme_json;
+        }
+
         $font_base_url = trailingslashit($font_dir['url']);
 
         foreach ($fonts as $font) {
+            // Validate required font properties
+            if (empty($font['name']) || empty($font['slug']) || empty($font['variants'])) {
+                continue;
+            }
+
             $font_faces = [];
 
             foreach ($font['variants'] as $variant) {
-            $weight = $variant['weight'];
+                // Validate variant data
-            $style = $variant['style'];
+                if (empty($variant['filename'])) {
+                    continue;
+                }
+
+                $weight = !empty($variant['weight']) ? $variant['weight'] : '400';
+                $style = !empty($variant['style']) ? $variant['style'] : 'normal';
                 $filename = $variant['filename'];
 
                 // Use direct file URL
@@ -314,6 +331,8 @@ function mlf_add_fonts_to_theme_json($theme_json) {
                 ];
             }
 
+            // Only add font if it has valid faces
+            if (!empty($font_faces)) {
                 $font_families[] = [
                     'name'       => $font['name'],
                     'slug'       => $font['slug'],
@@ -321,6 +340,12 @@ function mlf_add_fonts_to_theme_json($theme_json) {
                     'fontFace'   => $font_faces,
                 ];
             }
+        }
+
+        // Only update if we have valid fonts
+        if (empty($font_families)) {
+            return $theme_json;
+        }
 
         // Use update_with to merge - WordPress handles the merging logic
         $new_data = [
@@ -333,6 +358,11 @@ function mlf_add_fonts_to_theme_json($theme_json) {
         ];
 
         return $theme_json->update_with($new_data);
+    } catch (Exception $e) {
+        // Log error but don't break the Site Editor
+        error_log('MLF theme.json filter error: ' . $e->getMessage());
+        return $theme_json;
+    }
 }
 add_filter('wp_theme_json_data_user', 'mlf_add_fonts_to_theme_json', 10);