Support config file

bin/mv3-hot-reload.ts

@@ -7,10 +7,32 @@ import { debounce } from 'lodash'
 import path from 'path'
 import { Message } from '../src/utils'
 
-const PORT = 9012
-const DIST_DIRECTORY = path.resolve('dist')
+interface Config {
+  port?: number
+  directory?: string
+  exclude?: string[]
+}
 
-const wss = new WebSocket.Server({ port: PORT })
+let port = 9012
+let directory = 'dist'
+let exclude: string[] = []
+
+try {
+  const CONFIG_PATH = path.resolve('mv3-hot-reload.config.js')
+  // eslint-disable-next-line @typescript-eslint/no-var-requires
+  const config: Config = require(CONFIG_PATH)
+
+  port = config.port || port
+  directory = config.directory || directory
+  exclude = config.exclude || exclude
+} catch (err) {
+  // ignore
+}
+
+const directoryPath = path.resolve(directory)
+const excludePaths = exclude.map((file) => path.join(directoryPath, file))
+
+const wss = new WebSocket.Server({ port })
 
 wss.on('listening', () => {
   console.log('hot reload server is listening...')
@@ -22,14 +44,16 @@ wss.on('close', () => {
 
 wss.on('connection', (ws) => {
   chokidar
-    .watch(DIST_DIRECTORY, {
+    .watch(directoryPath, {
       ignoreInitial: true,
     })
     .on(
       'all',
-      debounce(() => {
-        console.log('file change detected.')
-        ws.send(Message.FileChange)
+      debounce((_, path) => {
+        if (!excludePaths.includes(path)) {
+          console.log('file change detected.')
+          ws.send(Message.FileChange)
+        }
       }, 500),
     )
 })