Fix cli dev mode options

bin/cli.js

@@ -2,6 +2,7 @@
 const path = require('path')
 const meow = require('meow')
 const { pkg } = require('read-pkg-up').sync()
+const open = require('opn')
 
 require('update-notifier')({
   pkg: require('../package.json')
@@ -28,6 +29,8 @@ const cli = meow(`
 
 `, {
   alias: {
+    o: 'open',
+    p: 'port',
     d: 'outDir'
   }
 })
@@ -45,7 +48,10 @@ switch (cmd) {
   case 'dev':
     const dev = require('../lib/dev')
     dev(filename, options, (err, port) => {
-      console.log(port)
+      console.log(`Development server listening at http://localhost:${port}`)
+      if (options.open) {
+        open(`http://localhost:${port}`)
+      }
     })
     break
   case 'build':

lib/dev/index.js

@@ -1,7 +1,6 @@
 const path = require('path')
 const webpack = require('webpack')
 const DevServer = require('webpack-dev-server')
-const open = require('opn')
 const config = require('./config')
 
 const devOptions = {
@@ -42,13 +41,7 @@ module.exports = (filename, options = {}, cb) => {
 
   const server = new DevServer(compiler, devOptions)
 
-  let opened = false
   compiler.plugin('done', () => {
-    // if (options.open && !opened) {
-    if (!opened) {
-      open(`http://localhost:${port}`)
-      opened = true
-    }
     if (typeof cb === 'function') cb(null, port)
   })
 

package.json

@@ -8,7 +8,7 @@
     "x0": "bin/cli.js"
   },
   "scripts": {
-    "start": "./bin/cli.js dev docs/App.js",
+    "start": "./bin/cli.js dev docs/App.js -op 8888",
     "build": "./bin/cli.js build docs/App.js",
     "test": "./bin/cli.js build docs/App.js --html docs/Root.js -d docs"
   },