rollup

.eslintrc.json

@@ -7,6 +7,9 @@
     "extends": [
       "eslint:recommended"
     ],
+    "ignorePatterns": [
+      "dist/"
+    ],
     "parserOptions": {
       "ecmaVersion": 13,
       "sourceType": "module"
@@ -40,6 +43,7 @@
       "jsdoc/require-returns-type": "error",
       "jsdoc/sort-tags": "error",
       "no-constant-condition": "off",
+      "no-extra-parens": "error",
       "no-multi-spaces": "error",
       "no-trailing-spaces": "error",
       "no-var": "error",

.gitignore

@@ -1,3 +1,4 @@
 coverage
 node_modules
 package-lock.json
+dist

package.json

@@ -18,15 +18,19 @@
   "type": "module",
   "types": "src/index.d.ts",
   "scripts": {
+    "build": "rollup -c",
     "coverage": "vitest run --coverage",
     "lint": "eslint .",
     "test": "vitest run"
   },
   "dependencies": {
-    "hysnappy": "0.3.1"
+    "hysnappy": "0.3.1",
+    "pako": "2.1.0"
   },
   "devDependencies": {
     "@babel/eslint-parser": "7.24.5",
+    "@rollup/plugin-node-resolve": "15.2.3",
+    "@rollup/plugin-terser": "0.4.4",
     "@types/node": "20.12.12",
     "@types/pako": "2.0.3",
     "@vitest/coverage-v8": "1.6.0",
@@ -34,7 +38,7 @@
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-jsdoc": "48.2.5",
     "hyparquet": "0.9.3",
-    "pako": "2.1.0",
+    "rollup": "4.17.2",
     "typescript": "5.4.5",
     "vitest": "1.6.0"
   }

rollup.config.js

@@ -0,0 +1,15 @@
+import resolve from '@rollup/plugin-node-resolve'
+import terser from '@rollup/plugin-terser'
+
+export default {
+  input: 'src/index.js',
+  output: {
+    file: 'dist/bundle.min.js',
+    format: 'esm',
+    sourcemap: true,
+  },
+  plugins: [
+    resolve(), // resolve node dependencies
+    terser(), // minify
+  ],
+}