does it work?

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": ["es2015"]
+}

.editorconfig

@@ -0,0 +1,17 @@
+# http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{js,rb,css,html}]
+indent_size = 2
+
+[*.go]
+indent_size = 8
+indent_style = tab

lib/words.js

@@ -1,3 +1,6 @@
+import {
+    filter
+} from 'lodash';
 var _ = require('lodash');
 var dict = require('./dictionary.js');
 
@@ -24,15 +27,14 @@ function search(word) {
     toSearch = word.replace(/\//g, "");
   }
 
-  var result = _.filter(dict.dictionary, function(w) {
+  var result = filter(dict.dictionary, w => {
     return w.match(new RegExp(toSearch, "i"));
   });
 
   return {
-    result: result,
-    excludePattern: excludePattern,
+    result,
+    excludePattern,
     searchPattern: toSearch
   };
 }
-
 exports.search = search;

package.json

@@ -14,11 +14,17 @@
     "body-parser": "^1.15.0",
     "ejs": "~1.0.0",
     "express": "~4.13.4",
+    "fs": "0.0.2",
     "jasmine-node": "~1.11",
-    "lodash": "^4.11.1"
+    "lodash": "^4.11.1",
+    "net": "^1.0.2",
+    "webpack": "^1.13.0"
   },
   "subdomain": "word-finder",
   "engines": {
     "node": ">=0.8.x"
+  },
+  "devDependencies": {
+    "babel-core": "^6.7.7"
   }
 }

server.js

@@ -1,11 +1,10 @@
+require('babel-core/register');
 var express = require('express');
 var bodyParser = require('body-parser');
 var _ = require('lodash');
 var app = express();
 
-var config = require('./lib/config');
 var words = require('./lib/words');
-
 app.set('view engine', 'ejs');
 app.set('view options', { layout: false });
 app.use('/public', express.static('public'));
@@ -22,5 +21,5 @@ app.post('/search', function (req, res) {
   res.render('result', { words: result, pattern: req.body.pattern });
 });
 
-app.listen(process.env.PORT || config.port);
-console.log("Listening on port: " + (process.env.PORT || config.port));
+app.listen(process.env.PORT || 3000);
+console.log("Listening on port: " + (process.env.PORT || 3000));

webpack.config.js

@@ -0,0 +1,22 @@
+var webpack = require('webpack');
+var path = require('path');
+var fs = require('fs');
+
+var nodeModules = {};
+fs.readdirSync('node_modules')
+  .filter(function(x) {
+    return ['.bin'].indexOf(x) === -1;
+  })
+  .forEach(function(mod) {
+    nodeModules[mod] = 'commonjs ' + mod;
+  });
+
+module.exports = {
+  entry: './server.js',
+  target: 'node',
+  output: {
+    path: path.join(__dirname, 'build'),
+    filename: 'backend.js'
+  },
+  externals: nodeModules
+};