feat: migrate frontend to Next.js

frontend/package.json

@@ -2,9 +2,10 @@
   "name": "podcast-frontend",
   "version": "1.0.0",
   "scripts": {
-    "dev": "bun dev",
-    "build": "bun build",
-    "start": "bun start"
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
   },
   "dependencies": {
     "react": "^18.0.0",
@@ -17,7 +18,6 @@
     "bun-types": "^0.1.0",
     "@types/bun": "latest"
   },
-  "module": "src/index.tsx",
   "type": "module",
   "private": true
 }

frontend/src/app/page.tsx

@@ -0,0 +1,14 @@
+import React from "react";
+import FeedList from "../components/FeedList";
+import EpisodeList from "../components/EpisodeList";
+
+export default function Home() {
+  return (
+    <div style={{ padding: "20px", fontFamily: "sans-serif" }}>
+      <h1>ポッドキャスト自動生成サービス 管理画面</h1>
+      <FeedList />
+      <hr style={{ margin: "20px 0" }} />
+      <EpisodeList />
+    </div>
+  );
+}

frontend/tsconfig.json

@@ -1,14 +1,20 @@
 {
   "compilerOptions": {
-    "target": "ESNext",
-    "module": "ESNext",
-    "jsx": "react-jsx",
-    "strict": true,
-    "moduleResolution": "Node",
-    "esModuleInterop": true,
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
     "skipLibCheck": true,
+    "strict": true,
     "forceConsistentCasingInFileNames": true,
-    "outDir": "build"
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "outDir": "dist"
   },
-  "include": ["src"]
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
 }

package.json

@@ -2,16 +2,23 @@
   "name": "podcast-generator",
   "version": "1.0.0",
   "scripts": {
-    "start": "bun run server.ts"
+    "start": "bun run server.ts",
+    "build:frontend": "cd frontend && bun build"
   },
   "dependencies": {
     "@aws-sdk/client-polly": "^3.823.0",
+    "next": "^14.0.0",
+    "react": "^18.0.0",
+    "react-dom": "^18.0.0",
     "openai": "^4.104.0",
     "rss-parser": "^3.13.0"
   },
   "type": "module",
   "devDependencies": {
-    "@types/bun": "latest"
+    "typescript": "^5",
+    "@types/bun": "latest",
+    "@types/react": "^18.0.0",
+    "@types/react-dom": "^18.0.0"
   },
   "private": true,
   "peerDependencies": {

server.ts

@@ -93,21 +93,23 @@ serve({
       }
     }
     
-    // Serve /build/* from frontend/build (compiled JS/CSS)
-    if (pathname.startsWith("/build/")) {
-        const assetPath = pathname.substring("/build/".length);
-        const filePath = path.join(frontendBuildDir, assetPath);
+    // Next.jsの静的ファイルを提供
+    if (pathname.startsWith("/_next/")) {
+        const assetPath = pathname.substring("/_next/".length);
+        const filePath = path.join(frontendBuildDir, "_next", assetPath);
         try {
             const file = Bun.file(filePath);
             if (await file.exists()) {
                 let contentType = "application/octet-stream";
                 if (filePath.endsWith(".js")) contentType = "application/javascript; charset=utf-8";
                 else if (filePath.endsWith(".css")) contentType = "text/css; charset=utf-8";
+                else if (filePath.endsWith(".png")) contentType = "image/png";
+                else if (filePath.endsWith(".jpg") || filePath.endsWith(".jpeg")) contentType = "image/jpeg";
                 // 必要に応じて他のMIMEタイプを追加
                 return new Response(file, { headers: { "Content-Type": contentType } });
             }
         } catch (e) {
-            console.error(`Error serving file from frontend build dir ${filePath}:`, e);
+            console.error(`Error serving Next.js static file ${filePath}:`, e);
         }
     }