feat: add app serve

src/app.ts

@@ -1,16 +1,57 @@
-import { program , Command} from 'commander';
+import { App } from '@kevisual/router';
 import fs from 'fs';
+import { getConfig, pidFilePath, checkFileExists } from './module/get-config.ts';
+import { sequelize } from './module/sequelize.ts';
 
-// 将多个子命令加入主程序中
-program.name('app').description('A CLI tool with envison').version('0.0.3');
+export { sequelize };
 
-const ls =new Command('ls')
-  .description('List files in the current directory')
-  .action(() => {
-    console.log('List files');
-    console.log(fs.readdirSync(process.cwd()));
+export const app = new App();
+
+app
+  .route({
+    path: 'ping',
+  })
+  .define(async (ctx) => {
+    ctx.body = 'pong';
+  })
+  .addTo(app);
+
+app
+  .route({
+    path: 'demo',
+    key: '01',
+  })
+  .define(async (ctx) => {
+    ctx.body = 'Hello, World!';
+  })
+  .addTo(app);
+
+// 处理进程退出或中断信号，确保删除 pid 文件
+const cleanUp = () => {
+  if (checkFileExists(pidFilePath)) {
+    const pid = fs.readFileSync(pidFilePath, 'utf-8');
+    if (Number(pid) === process.pid) {
+      fs.unlinkSync(pidFilePath);
+      console.log('server id', process.pid, 'is exit');
+    }
+  }
+  process.exit(0); // 退出进程
+};
+
+// 当进程收到以下信号时，删除 pid 文件
+process.on('SIGINT', cleanUp); // 例如 Ctrl+C
+process.on('SIGTERM', cleanUp); // 终止信号
+process.on('exit', cleanUp); // 进程退出
+
+export const createApp = async () => {
+  if (checkFileExists(pidFilePath)) {
+    const pid = fs.readFileSync(pidFilePath, 'utf-8');
+    console.log('服务已经启动，请勿重复启动。', 'server id', pid);
+    return;
+  }
+  fs.writeFileSync(pidFilePath, process.pid.toString());
+  app.listen(21015, () => {
+    console.log('Server is running on port 21015', 'http://localhost:21015/api/router', 'server id', process.pid);
   });
-program.addCommand(ls);
-
-export const app = program;
-export { program, Command };
+  import('./route.ts');
+};