add try catch around youtube parsing (#70)

src/utils/promptGenerator.ts

@@ -375,14 +375,17 @@ When writing out new markdown blocks, remember not to include "line_number|" at
    */
   private async getWebsiteContent(url: string): Promise<string> {
     if (isYoutubeUrl(url)) {
-      // TODO: pass language based on user preferences
-      const { title, transcript } =
-        await YoutubeTranscript.fetchTranscriptAndMetadata(url)
-
-      return `Title: ${title}
-Transcript:
-${transcript.map((t) => `${t.offset}: ${t.text}`).join('\n')}
-`
+      try {
+        // TODO: pass language based on user preferences
+        const { title, transcript } =
+          await YoutubeTranscript.fetchTranscriptAndMetadata(url)
+
+        return `Title: ${title}
+Video Transcript:
+${transcript.map((t) => `${t.offset}: ${t.text}`).join('\n')}`
+      } catch (error) {
+        console.error('Error fetching YouTube transcript', error)
+      }
     }
 
     const response = await requestUrl({ url })