fix: add rollup-plugin-terser for minifying bundle files (#8)

package.json

@@ -7,8 +7,8 @@
     "Andyyou <[email protected]> (http://andyyou.github.io/)"
   ],
   "license": "MIT",
-  "main": "dist/react-use-opentok.cjs.js",
-  "module": "dist/react-use-opentok.esm.js",
+  "main": "dist/react-use-opentok.cjs.min.js",
+  "module": "dist/react-use-opentok.esm.min.js",
   "engines": {
     "node": ">=8",
     "npm": ">=5"
@@ -83,6 +83,7 @@
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-peer-deps-external": "^2.2.0",
+    "rollup-plugin-terser": "^5.2.0",
     "rollup-plugin-url": "^3.0.1",
     "semantic-release": "^17.0.1",
     "typescript": "^3.7.5"

rollup.config.js

@@ -3,12 +3,18 @@ import external from 'rollup-plugin-peer-deps-external';
 import commonjs from '@rollup/plugin-commonjs';
 import resolve from '@rollup/plugin-node-resolve';
 import url from '@rollup/plugin-url';
+import { terser } from 'rollup-plugin-terser';
 
 import pkg from './package.json';
 
 export default {
   input: 'src/index.js',
   output: [
+    {
+      file: pkg.main.replace('.min', ''),
+      format: 'cjs',
+      sourcemap: true,
+    },
     {
       file: pkg.main,
       format: 'cjs',
@@ -27,5 +33,8 @@ export default {
     babel(),
     resolve(),
     commonjs(),
+    terser({
+      include: [/^.+\.min\.js$/],
+    }), // minify bundle files
   ],
 };