fix: catch errors in default model

src/lib/server/generateFromDefaultEndpoint.ts

@@ -15,21 +15,26 @@ export async function* generateFromDefaultEndpoint({
 
 	const tokenStream = await endpoint({ messages, preprompt, generateSettings });
 
-	for await (const output of tokenStream) {
-		// if not generated_text is here it means the generation is not done
-		if (output.generated_text) {
-			let generated_text = output.generated_text;
-			for (const stop of [...(taskModel.parameters?.stop ?? []), "<|endoftext|>"]) {
-				if (generated_text.endsWith(stop)) {
-					generated_text = generated_text.slice(0, -stop.length).trimEnd();
+	try {
+		for await (const output of tokenStream) {
+			// if not generated_text is here it means the generation is not done
+			if (output.generated_text) {
+				let generated_text = output.generated_text;
+				for (const stop of [...(taskModel.parameters?.stop ?? []), "<|endoftext|>"]) {
+					if (generated_text.endsWith(stop)) {
+						generated_text = generated_text.slice(0, -stop.length).trimEnd();
+					}
 				}
+				return generated_text;
 			}
-			return generated_text;
+			yield {
+				type: MessageUpdateType.Stream,
+				token: output.token.text,
+			};
 		}
-		yield {
-			type: MessageUpdateType.Stream,
-			token: output.token.text,
-		};
+	} catch (error) {
+		return "";
 	}
-	throw new Error("Generation failed");
+
+	return "";
 }