add watcher and server to send change

doric-cli/scripts/watcher.js

@@ -1,10 +1,22 @@
-var chokidar = require('chokidar')
+const chokidar = require('chokidar')
+const ws = require('./server')
+const fs = require("fs")
+
 require('shelljs/global')
 
 exec('npm run dev', () => {
 })
-chokidar.watch(process.cwd() + "/build", {
+ws.listen(7777)
+chokidar.watch(process.cwd() + "/bundle", {
     ignored: /(^|[\/\\])\../,
 }).on('all', (event, path) => {
-    console.log(event, path)
+    console.log('path is ', path)
+    if (event === 'add' || event === 'change') {
+        fs.readFile(path, 'utf-8', (error, data) => {
+            console.log('send data ', data)
+            ws.connections.forEach(e => {
+                e.sendText(data)
+            })
+        })
+    }
 });