updated travis

.travis.yml

@@ -1,5 +1,4 @@
 sudo: false
 language: node_js
 node_js:
-  - '4'
-  - '5'
+  - '6'

Trash/server.js

@@ -0,0 +1,60 @@
+// https://gist.github.com/amejiarosario/53afae82e18db30dadc9bc39035778e5
+const http = require('http')
+const url = require('url')
+const fs = require('fs')
+const path = require('path')
+const port = process.argv[2] || 9000
+
+http.createServer((req, res) => {
+    console.log(`${req.method} ${req.url}`)
+
+    // parse URL
+    const parsedUrl = url.parse(req.url)
+    // extract URL path
+    let pathname = `.${parsedUrl.pathname}`
+    // based on the URL path, extract the file extention. e.g. .js, .doc, ...
+    const ext = path.parse(pathname).ext
+    // maps file extention to MIME typere
+    const map = {
+        '.ico': 'image/x-icon',
+        '.html': 'text/html',
+        '.js': 'text/javascript',
+        '.json': 'application/json',
+        '.css': 'text/css',
+        '.png': 'image/png',
+        '.jpg': 'image/jpeg',
+        '.wav': 'audio/wav',
+        '.mp3': 'audio/mpeg',
+        '.svg': 'image/svg+xml',
+        '.pdf': 'application/pdf',
+        '.doc': 'application/msword'
+    }
+
+    fs.exists(pathname, (exist) => {
+        if (!exist) {
+            // if the file is not found, return 404
+            res.statusCode = 404
+            res.end(`File ${pathname} not found!`)
+            return
+        }
+
+        // if is a directory search for index file matching the extention
+        if (fs.statSync(pathname).isDirectory()) pathname += '/index' + ext
+
+        // read file from file system
+        fs.readFile(pathname, (err, data) => {
+            if (err) {
+                res.statusCode = 500
+                res.end(`Error getting the file: ${err}.`)
+            } else {
+                // if the file is found, set Content-type and send data
+                res.setHeader('Content-type', map[ext] || 'text/plain')
+                res.end(data)
+            }
+        })
+    })
+
+
+}).listen(parseInt(port))
+
+console.log(`Server listening on port ${port}`)