Add webpack build

Author: amiralies

babel.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['@babel/env', '@babel/flow'],
+};

package.json

@@ -11,11 +11,17 @@
   "license": "MIT",
   "dependencies": {},
   "devDependencies": {
+    "@babel/core": "^7.4.5",
+    "@babel/preset-env": "^7.4.5",
+    "@babel/preset-flow": "^7.0.0",
     "babel-eslint": "^10.0.2",
+    "babel-loader": "^8.0.6",
     "coc.nvim": "^0.0.71",
     "eslint": "^5.3.0",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.18.0",
-    "flow-bin": "^0.102.0"
+    "flow-bin": "^0.102.0",
+    "webpack": "^4.35.0",
+    "webpack-cli": "^3.3.5"
   }
 }

webpack.config.js

@@ -0,0 +1,24 @@
+const path = require('path');
+
+module.exports = {
+  mode: 'production',
+  target: 'node',
+  entry: './src/index.js',
+  externals: {
+    'coc.nvim': 'commonjs coc.nvim',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: [{ loader: 'babel-loader' }],
+      },
+    ],
+  },
+  output: {
+    path: path.join(__dirname, 'lib'),
+    filename: 'index.js',
+    libraryTarget: 'commonjs',
+  },
+};