Use package for determining if path is directory

lib/index.js

@@ -16,6 +16,7 @@ const fs = require('fs-promise')
 const auth = require('basic-auth')
 const stream = require('send')
 const {copy} = require('copy-paste')
+const pathType = require('path-type')
 
 args
   .option('port', 'Port to listen on', process.env.PORT)
@@ -37,22 +38,6 @@ if (directory) {
   current = path.resolve(process.cwd(), directory)
 }
 
-const isDir = async dir => {
-  let stats
-
-  try {
-    stats = await fs.stat(dir)
-  } catch (err) {
-    return false
-  }
-
-  if (stats.isDirectory()) {
-    return true
-  }
-
-  return false
-}
-
 const prepareView = () => {
   let viewContent = false
   const viewPath = path.normalize(path.join(__dirname, '/../views/index.hbs'))
@@ -96,7 +81,7 @@ const renderDirectory = async dir => {
 
     details.relative = path.join(subPath, details.base)
 
-    if (await isDir(filePath)) {
+    if (await pathType.dir(filePath)) {
       details.base += '/'
     } else {
       details.ext = details.ext.split('.')[1] || 'txt'
@@ -208,7 +193,7 @@ const handler = async (req, res) => {
   }
 
   // Check if file or directory path
-  if (await isDir(related)) {
+  if (await pathType.dir(related)) {
     let indexPath = path.join(related, '/index.html')
 
     res.setHeader('Content-Type', mime.contentType(path.extname(indexPath)))
@@ -337,7 +322,7 @@ server.listen(flags.port, async () => {
     process.exit(0)
   })
 
-  if (!await isDir(current)) {
+  if (!await pathType.dir(current)) {
     console.error(red('Specified directory doesn\'t exist!'))
     process.exit(1)
   }

package.json

@@ -58,6 +58,7 @@
     "micro": "^6.1.0",
     "micro-compress": "^1.0.0",
     "mime-types": "^2.1.12",
+    "path-type": "^2.0.0",
     "send": "^0.14.1",
     "update-notifier": "^1.0.3"
   }