test(builtins): verify minified

Related to #14

Author: nikku

package-lock.json

@@ -10,6 +10,7 @@
   "source": "src/index.ts",
   "types": "dist/index.d.ts",
   "devDependencies": {
+    "@rollup/plugin-terser": "^0.4.4",
     "@rollup/plugin-typescript": "^12.3.0",
     "@types/luxon": "^3.7.1",
     "@types/mocha": "^10.0.10",

package.json

@@ -1,11 +1,15 @@
 import typescript from '@rollup/plugin-typescript';
 
+import terser from '@rollup/plugin-terser';
+
 import pkg from './package.json';
 
 
 const srcEntry = pkg.source;
 
 export default [
+
+  // library builds
   {
     input: srcEntry,
     output: [
@@ -28,5 +32,26 @@ export default [
     plugins: [
       typescript()
     ]
+  },
+
+  // test build (minified)
+  {
+    input: srcEntry,
+    output: [
+      {
+        file: 'tmp/feelin.min.js',
+        format: 'es',
+        sourcemap: true
+      }
+    ],
+    external: [
+      'lezer',
+      'lezer-feel',
+      'luxon'
+    ],
+    plugins: [
+      typescript(),
+      terser()
+    ]
   }
 ];