Refactoring: Removed lodash as dependency, refactored webpack config (including minor speed improvements)

webpack.config.js

@@ -1,10 +1,10 @@
 'use strict';
 
-var path = require('path');
-var args = require('minimist')(process.argv.slice(2));
+const path = require('path');
+const args = require('minimist')(process.argv.slice(2));
 
 // List of allowed environments
-var allowedEnvs = ['dev', 'dist', 'test'];
+const allowedEnvs = ['dev', 'dist', 'test'];
 
 // Set the correct environment
 var env;
@@ -18,31 +18,22 @@ if(args._.length > 0 && args._.indexOf('start') !== -1) {
 process.env.REACT_WEBPACK_ENV = env;
 
 // Get available configurations
-var configs = {
+const configs = {
   base: require(path.join(__dirname, 'cfg/base')),
   dev: require(path.join(__dirname, 'cfg/dev')),
   dist: require(path.join(__dirname, 'cfg/dist')),
   test: require(path.join(__dirname, 'cfg/test'))
 };
 
-/**
- * Get an allowed environment
- * @param  {String}  env
- * @return {String}
- */
-function getValidEnv(env) {
-  var isValid = env && env.length > 0 && allowedEnvs.indexOf(env) !== -1;
-  return isValid ? env : 'dev';
-}
-
 /**
  * Build the webpack configuration
- * @param  {String} env Environment to use
+ * @param  {String} wantedEnv The wanted environment
  * @return {Object} Webpack config
  */
-function buildConfig(env) {
-  var usedEnv = getValidEnv(env);
-  return configs[usedEnv];
+function buildConfig(wantedEnv) {
+  let isValid = wantedEnv && wantedEnv.length > 0 && allowedEnvs.indexOf(wantedEnv) !== -1;
+  let validEnv = isValid ? wantedEnv : 'dev';
+  return configs[validEnv];
 }
 
 module.exports = buildConfig(env);