Make finding an open port work

Author: leo

lib/index.js

@@ -29,7 +29,9 @@ const getMod = file => {
 
 module.exports = (file, flags) => {
   const server = serve(getMod(file))
+
   let port = flags.port
+  let host = flags.host
 
   detect(port).then(open => {
     let inUse = open !== port
@@ -43,7 +45,11 @@ module.exports = (file, flags) => {
       }
     }
 
-    server.listen(port, flags.host, async err => {
+    if (host === '0.0.0.0') {
+      host = null
+    }
+
+    server.listen(port, host, async err => {
       if (err) {
         console.error('micro:', err.stack)
         process.exit(1)

lib/listening.js

@@ -12,7 +12,7 @@ const copyToClipboard = async text => {
   }
 }
 
-module.exports = async (server, current, inUse) => {
+module.exports = async (server, inUse) => {
   const details = server.address()
   const ipAddress = ip.address()
   const url = `http://${ipAddress}:${details.port}`