feat: introduce hono-node-server script to serve Hono app

Author: usualoma

package.json

@@ -4,6 +4,9 @@
   "description": "Node.js Adapter for Hono",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "bin": {
+    "hono-node-server": "./dist/serve.js"
+  },
   "files": [
     "dist"
   ],

src/serve.ts

@@ -0,0 +1,27 @@
+import { realpathSync } from 'node:fs'
+import { parseArgs } from 'node:util'
+import { serve } from './server'
+
+const { values, positionals } = parseArgs({
+  options: {
+    port: { type: 'string' },
+  },
+  allowPositionals: true,
+})
+
+if (positionals.length === 0) {
+  throw new Error('Please specify the path to the app file.')
+}
+
+const appFilePath = realpathSync(positionals[0])
+import(appFilePath).then(({ default: app }) => {
+  serve(
+    {
+      fetch: app.fetch,
+      port: values.port ? Number.parseInt(values.port) : undefined,
+    },
+    (info) => {
+      console.log(`Listening on http://localhost:${info.port}`)
+    }
+  )
+})

tsup.config.ts

@@ -1,10 +1,21 @@
 import { defineConfig } from 'tsup'
+import type { Options } from 'tsup'
 
-export default defineConfig({
-  entry: ['./src/**/*.ts'],
+const options: Options = {
   format: ['esm', 'cjs'],
   dts: true,
   splitting: false,
   sourcemap: false,
   clean: true,
-})
+}
+export default defineConfig([
+  {
+    entry: ['./src/**/*.ts', '!./src/serve.ts'],
+    ...options,
+  },
+  {
+    entry: ['./src/serve.ts'],
+    ...options,
+    banner: { js: '#!/usr/bin/env node' },
+  },
+])