added helper function to mapInferredValues

netlify/functions/handleMetadata.js

@@ -106,6 +106,11 @@ async function performGPTAnalysis(simplifiedContent, apiKey) {
     return { inferredMediaType, extractedTopics };
 }
 
+// Function to load topics from the topics.json file
+function loadTopics() {
+    const topicsData = fs.readFileSync('path/to/topics.json', 'utf8');
+    return JSON.parse(topicsData);
+}
 // Placeholder function to map inferred values to predefined formats and topics
 function mapInferredValues(mediaType, topics) {
     // Implement logic to map inferred media type and topics to predefined formats and topics