rollup config

rollup.config.js

@@ -0,0 +1,51 @@
+import resolve from '@rollup/plugin-node-resolve'
+import commonjs from '@rollup/plugin-commonjs'
+import coffeescript from 'rollup-plugin-coffee-script'
+import {terser} from 'rollup-plugin-terser'
+
+let plugins = [
+  // if any (in deps as well): Convert CoffeeScript to JavaScript
+  coffeescript(),
+
+  // so Rollup can find externals
+  resolve({extensions: ['.js', '.coffee'], preferBuiltins: true}),
+
+  // so Rollup can convert externals to an ES module
+  commonjs()
+]
+
+// minify only in production mode
+if (process.env.NODE_ENV === 'production') {
+  plugins.push(
+    // minify
+    terser({
+      ecma: 2018,
+      warnings: true,
+      compress: {
+        drop_console: false
+      }
+    })
+  )
+}
+
+export default [
+  {
+    input: 'lib/main',
+    output: [
+      {
+        dir: 'dist',
+        format: 'cjs',
+        sourcemap: true
+      }
+    ],
+    // loaded externally
+    external: [
+      'atom',
+      'pathwatcher',
+      // node stuff
+      'fs',
+      'path'
+    ],
+    plugins: plugins
+  }
+]