feat: add restart-on-add-unlink vite plugin (#55)

src/vite/index.ts

@@ -4,6 +4,7 @@ import type { DevServerOptions } from '@hono/vite-dev-server'
 import type { PluginOption } from 'vite'
 import { injectImportingIslands } from './inject-importing-islands.js'
 import { islandComponents } from './island-components.js'
+import { restartOnAddUnlink } from './restart-on-add-unlink.js'
 
 type Options = {
   islands?: boolean
@@ -40,6 +41,7 @@ function honox(options?: Options): PluginOption[] {
   }
 
   plugins.push(injectImportingIslands())
+  plugins.push(restartOnAddUnlink())
 
   return [
     {

src/vite/restart-on-add-unlink.ts

@@ -0,0 +1,16 @@
+import type { Plugin } from 'vite'
+
+export function restartOnAddUnlink(): Plugin {
+  return {
+    name: 'restart-on-add-unlink',
+    configureServer(server) {
+      server.watcher.add('/app/**')
+      server.watcher.on('add', async () => {
+        await server.restart()
+      })
+      server.watcher.on('unlink', async () => {
+        await server.restart()
+      })
+    },
+  }
+}