Attribute indexing and code completion

plug-api/app_event.ts

@@ -46,6 +46,7 @@ export type CompleteEvent = {
   pageName: string;
   linePrefix: string;
   pos: number;
+  parentNodes: string[];
 };
 
 export type WidgetContent = {

plug-api/lib/frontmatter.ts

@@ -60,7 +60,7 @@ export async function extractFrontmatter(
           return null;
         }
       } catch (e: any) {
-        console.error("Could not parse frontmatter", e);
+        console.warn("Could not parse frontmatter", e.message);
       }
     }