feat: migrate to bun runtime and update dependencies

frontend/package.json

@@ -14,6 +14,10 @@
     "typescript": "^4.0.0",
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
-    "bun-types": "^0.1.0"
-  }
+    "bun-types": "^0.1.0",
+    "@types/bun": "latest"
+  },
+  "module": "src/index.tsx",
+  "type": "module",
+  "private": true
 }

package.json

@@ -5,11 +5,16 @@
     "start": "bun run server.ts"
   },
   "dependencies": {
-    "rss-parser": "^3.12.0",
-    "openai": "^4.0.0",
-    "@aws-sdk/client-polly": "^3.0.0",
-    "better-sqlite3": "^8.0.0",
-    "bun-router": "^0.1.0"
+    "@aws-sdk/client-polly": "^3.823.0",
+    "openai": "^4.104.0",
+    "rss-parser": "^3.13.0"
   },
-  "type": "module"
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "private": true,
+  "peerDependencies": {
+    "typescript": "^5"
+  }
 }

scripts/fetch_and_generate.ts

@@ -14,9 +14,7 @@ interface FeedItem {
 
 async function main() {
   const parser = new Parser<FeedItem>();
-  const feedUrls = [
-    "https://example.com/feed1.rss",
-  ];
+  const feedUrls = ["https://example.com/feed1.rss"];
 
   for (const url of feedUrls) {
     const feed = await parser.parseURL(url);

services/database.ts

@@ -1,4 +1,4 @@
-import Database from "better-sqlite3";
+import { Database } from "bun:sqlite";
 import path from "path";
 
 const dbPath = path.join(__dirname, "../data/podcast.db");
@@ -28,17 +28,26 @@ export interface Episode {
   sourceLink: string;
 }
 
-export async function markAsProcessed(feedUrl: string, itemId: string): Promise<boolean> {
-  const stmt = db.prepare("SELECT 1 FROM processed_feed_items WHERE feed_url = ? AND item_id = ?");
+export async function markAsProcessed(
+  feedUrl: string,
+  itemId: string,
+): Promise<boolean> {
+  const stmt = db.prepare(
+    "SELECT 1 FROM processed_feed_items WHERE feed_url = ? AND item_id = ?",
+  );
   const row = stmt.get(feedUrl, itemId);
   if (row) return true;
-  const insert = db.prepare("INSERT INTO processed_feed_items (feed_url, item_id, processed_at) VALUES (?, ?, ?)");
+  const insert = db.prepare(
+    "INSERT INTO processed_feed_items (feed_url, item_id, processed_at) VALUES (?, ?, ?)",
+  );
   insert.run(feedUrl, itemId, new Date().toISOString());
   return false;
 }
 
 export async function saveEpisode(ep: Episode): Promise<void> {
-  const stmt = db.prepare("INSERT OR IGNORE INTO episodes (id, title, pubDate, audioPath, sourceLink) VALUES (?, ?, ?, ?, ?)");
+  const stmt = db.prepare(
+    "INSERT OR IGNORE INTO episodes (id, title, pubDate, audioPath, sourceLink) VALUES (?, ?, ?, ?, ?)",
+  );
   stmt.run(ep.id, ep.title, ep.pubDate, ep.audioPath, ep.sourceLink);
 }
 

services/podcast.ts

@@ -7,13 +7,14 @@ export async function updatePodcastRSS() {
 
   const channelTitle = "自動生成ポッドキャスト";
   const channelLink = "https://your-domain.com/podcast";
-  const channelDescription = "RSSフィードから自動生成されたポッドキャストです。";
+  const channelDescription =
+    "RSSフィードから自動生成されたポッドキャストです。";
   const lastBuildDate = new Date().toUTCString();
 
   let itemsXml = "";
   for (const ep of episodes) {
     const fileUrl = `https://your-domain.com/podcast_audio/${path.basename(
-      ep.audioPath
+      ep.audioPath,
     )}`;
     const pubDate = new Date(ep.pubDate).toUTCString();
     itemsXml += `

services/tts.ts

@@ -1,15 +1,12 @@
 import fs from "fs";
 import path from "path";
-import {
-  PollyClient,
-  SynthesizeSpeechCommand,
-} from "@aws-sdk/client-polly";
+import { PollyClient, SynthesizeSpeechCommand } from "@aws-sdk/client-polly";
 
 const polly = new PollyClient({ region: "ap-northeast-1" });
 
 export async function generateTTS(
   itemId: string,
-  scriptText: string
+  scriptText: string,
 ): Promise<string> {
   const params = {
     OutputFormat: "mp3",

tsconfig.json

@@ -1,14 +1,29 @@
 {
   "compilerOptions": {
-    "target": "ES2020",
-    "module": "ESNext",
-    "moduleResolution": "Node",
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
     "strict": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true,
     "skipLibCheck": true,
-    "outDir": "dist"
-  },
-  "include": ["scripts", "services", "server.ts"]
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
 }