feat: add dev server

packages/chibivite/package.json

@@ -19,9 +19,13 @@
     "rollup": "^4.17.2"
   },
   "devDependencies": {
+    "@rollup/plugin-commonjs": "^25.0.7",
+    "@rollup/plugin-json": "^6.1.0",
     "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-typescript": "^11.1.6",
+    "@types/connect": "^3.4.38",
     "cac": "^6.7.14",
+    "connect": "^3.7.0",
     "rimraf": "^5.0.5",
     "tslib": "^2.6.2"
   }

packages/chibivite/rollup.config.ts

@@ -1,6 +1,8 @@
 import path from 'node:path'
 import { fileURLToPath } from 'node:url'
 import { defineConfig } from 'rollup'
+import commonjs from '@rollup/plugin-commonjs'
+import json from '@rollup/plugin-json'
 import nodeResolve from '@rollup/plugin-node-resolve'
 import typescript from '@rollup/plugin-typescript'
 
@@ -13,6 +15,7 @@ export default defineConfig({
   output: {
     dir: './dist',
     entryFileNames: `node/[name].js`,
+    chunkFileNames: 'node/chunks/dep-[hash].js',
     exports: 'named',
     format: 'esm',
     externalLiveBindings: false,
@@ -25,5 +28,9 @@ export default defineConfig({
       tsconfig: path.resolve(__dirname, 'src/node/tsconfig.json'),
       sourceMap: true,
     }),
+    commonjs({
+      extensions: ['.js'],
+    }),
+    json(),
   ],
 })

packages/chibivite/src/node/cli.ts

@@ -4,6 +4,16 @@ const cli = cac('chibivite')
 
 cli.command('[root]', 'start dev server').action(async (root: string) => {
   console.log(`Hello, chibivite at ${root}!`)
+  const { createServer } = await import('./server')
+
+  try {
+    const server = await createServer()
+    await server.listen()
+  } catch (e) {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    console.error(`error when starting dev server:\n${(e as any).stack}`)
+    process.exit(1)
+  }
 })
 
 cli.parse()

packages/chibivite/src/node/server/index.ts

@@ -0,0 +1,38 @@
+import connect from 'connect'
+
+const PORT = 5137
+
+export async function createServer() {
+  const middlewares = connect()
+  const { createServer } = await import('node:http')
+  const httpServer = createServer(middlewares)
+
+  const server = {
+    middlewares,
+    httpServer,
+    async listen() {
+      await new Promise((resolve, reject) => {
+        const onError = (e: Error & { code?: string }) => {
+          httpServer.removeListener('error', onError)
+
+          if (e.code === 'EADDRINUSE') {
+            reject(new Error(`Port ${PORT} is already in use`))
+          } else {
+            reject(e)
+          }
+        }
+
+        httpServer.on('error', onError)
+
+        server.httpServer.listen(PORT, () => {
+          httpServer.removeListener('error', onError)
+          resolve(PORT)
+        })
+      })
+
+      return server
+    },
+  }
+
+  return server
+}