feat: add cjs module export. Closes #59

__tests__/builds/cjs-module.test.js

@@ -0,0 +1,10 @@
+/* istanbul ignore file */
+/* eslint-disable unicorn/prefer-module */
+const getVideoId = require('../../dist/get-video-id.cjs.js');
+
+describe('bundled CJS module', () => {
+	test('has the expected API', () => {
+		expect(typeof getVideoId).toBe('function');
+		expect(getVideoId('https://www.youtube.com/watch?v=1234').id).toBe('1234');
+	});
+});

__tests__/builds/umd-module.test.js

@@ -1,6 +1,6 @@
 /* istanbul ignore file */
 /* eslint-disable unicorn/prefer-module */
-const getVideoId = require('../../dist/get-video-id.js');
+const getVideoId = require('../../dist/get-video-id.umd.js');
 
 describe('bundled umd module', () => {
 	test('has the expected API', () => {

readme.md

@@ -20,14 +20,14 @@ You can use this module in **Node.js** or in the **browser**. See below for the
 const getVideoId = require('get-video-id');
 ```
 
-**ES2015 Module**
+**ES Module**
 ```js
 import getVideoId from 'get-video-id';
 ```
 
 **Browser**
 ```html
-<script src="https://cdn.jsdelivr.net/npm/get-video-id/dist/get-video-id.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/get-video-id/dist/get-video-id.umd.min.js"></script>
 ```
 
 ###### Download

rollup.config.js

@@ -14,16 +14,14 @@ const config = {
 	output: [
 		{
 			file: pkg.main,
-			format: 'umd',
+			format: 'cjs',
 			sourcemap: true,
-			name: 'getVideoId',
 			banner,
 		},
 		{
 			file: minified(pkg.main),
-			format: 'umd',
+			format: 'cjs',
 			sourcemap: true,
-			name: 'getVideoId',
 			banner,
 		},
 		{
@@ -38,6 +36,20 @@ const config = {
 			sourcemap: true,
 			banner,
 		},
+		{
+			file: minified('dist/get-video-id.umd.js'),
+			format: 'umd',
+			sourcemap: true,
+			name: 'getVideoId',
+			banner,
+		},
+		{
+			file: 'dist/get-video-id.umd.js',
+			format: 'umd',
+			sourcemap: true,
+			name: 'getVideoId',
+			banner,
+		},
 	],
 	preserveModules: false,
 	plugins: [