refactor: extract processFeedUrl function

scripts/fetch_and_generate.ts

@@ -24,7 +24,6 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 async function main() {
-  const parser = new Parser<FeedItem>();
   const feedUrlsFile = import.meta.env["FEED_URLS_FILE"] ?? "feed_urls.txt";
   const feedUrlsPath = path.resolve(__dirname, "..", feedUrlsFile);
   let feedUrls: string[];
@@ -41,6 +40,18 @@ async function main() {
 
   // フィードごとに処理
   for (const url of feedUrls) {
+    try {
+      await processFeedUrl(url);
+    } finally {
+      await updatePodcastRSS();
+    }
+  }
+
+  console.log("処理完了:", new Date().toISOString());
+}
+
+const processFeedUrl = async (url: string) => {
+  const parser = new Parser<FeedItem>();
   const feed = await parser.parseURL(url);
 
   // フィードのカテゴリ分類
@@ -78,10 +89,7 @@ async function main() {
 
   // トピックごとの統合音声生成
   const feedUrlHash = crypto.createHash("md5").update(url).digest("hex");
-    const categoryHash = crypto
-      .createHash("md5")
-      .update(category)
-      .digest("hex");
+  const categoryHash = crypto.createHash("md5").update(category).digest("hex");
   const uniqueId = `${feedUrlHash}-${categoryHash}`;
 
   const audioFilePath = await generateTTS(uniqueId, podcastContent);
@@ -129,12 +137,7 @@ async function main() {
       continue;
     }
   }
-
-    await updatePodcastRSS();
-  }
-
-  console.log("処理完了:", new Date().toISOString());
-}
+};
 
 main().catch((err) => {
   console.error("エラー発生:", err);