adding a cjs build

.babelrc

@@ -0,0 +1,12 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "current"
+        }
+      }
+    ]
+  ]
+}

.eslintrc.js

@@ -6,6 +6,7 @@ module.exports = {
   },
   env: {
     browser: true,
+    jest: true
   },
   extends: 'standard',
   plugins: [

README.md

@@ -21,12 +21,12 @@ import VueKonami from 'vue-konami'
 Vue.use(VueKonami)
 ```
 
-Alternativelly you can reference the script in your HTML:
+Alternatively you can reference the script in your HTML:
 
 ``` html
-<script src="path/to/vue-konami.min.js"></script>
+<script src="path/to/vue-konami.umd.js"></script>
 <!-- CDN -->
-<script src="https://unpkg.com/vue-konami"></script>
+<script src="https://unpkg.com/vue-konami/dist/vue-konami.umd.js"></script>
 ```
 
 ## Usage

config/webpack.config.base.js

@@ -1,5 +1,6 @@
 const path = require('path')
 const webpack = require('webpack')
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
 
 const config = require('../package.json')
 
@@ -8,7 +9,6 @@ function resolve (dir) {
 }
 
 module.exports = {
-  entry: './src/index.js',
   resolve: {
     extensions: ['.js', '.vue', '.json'],
     alias: {
@@ -34,5 +34,18 @@ module.exports = {
     new webpack.DefinePlugin({
       'VERSION': JSON.stringify(config.version)
     })
-  ]
+  ],
+  optimization: {
+    minimizer: [
+      new UglifyJsPlugin({
+        cache: true,
+        parallel: true,
+        uglifyOptions: {
+          compress: false,
+          ecma: 6,
+          mangle: true
+        }
+      })
+    ]
+  }
 }

config/webpack.config.cjs.js

@@ -0,0 +1,14 @@
+const merge = require('webpack-merge')
+const base = require('./webpack.config.base')
+const path = require('path')
+
+module.exports = merge(base, {
+  mode: 'production',
+  entry: './src/cjs.js',
+  output: {
+    path: path.resolve(__dirname, '../dist'),
+    filename: 'vue-konami.cjs.js',
+    library: 'VueKonami',
+    libraryTarget: 'commonjs'
+  }
+})

config/webpack.config.umd.js

@@ -0,0 +1,14 @@
+const merge = require('webpack-merge')
+const base = require('./webpack.config.base')
+const path = require('path')
+
+module.exports = merge(base, {
+  mode: 'production',
+  entry: './src/umd.js',
+  output: {
+    path: path.resolve(__dirname, '../dist'),
+    filename: 'vue-konami.umd.js',
+    library: 'VueKonami',
+    libraryTarget: 'umd'
+  }
+})