Merge pull request #10 from davidnguyen179/enhancement/add_min_main_file

support minify umd format

package.json

@@ -50,12 +50,14 @@
     "rimraf": "^2.6.2",
     "rollup": "^1.1.2",
     "rollup-plugin-babel": "^4.3.2",
+    "rollup-plugin-terser": "^4.0.4",
     "sinon": "^4.0.2"
   },
   "scripts": {
     "prebuild": "rimraf dist/*",
-    "start": "react-scripts start",
     "build": "rollup --config",
+    "postbuild": "BUILD_MINIFY=true rollup --config",
+    "start": "react-scripts start",
     "test": "react-scripts test --env=jsdom",
     "coverage": "npm test -- --coverage",
     "eject": "react-scripts eject",

rollup.config.js

@@ -1,28 +1,43 @@
 import babel from 'rollup-plugin-babel';
+import { terser } from 'rollup-plugin-terser';
+
+const isMinify = process.env.BUILD_MINIFY ? true : false;
+
+let output = [
+  {
+    file: 'dist/react-paginating.cjs.js',
+    name: 'react-paginating-cjs',
+    format: 'cjs'
+  },
+  {
+    file: 'dist/react-paginating.esm.js',
+    name: 'react-paginating-esm',
+    format: 'esm'
+  },
+  {
+    file: 'dist/react-paginating.umd.js',
+    name: 'react-paginating-umd',
+    format: 'umd',
+    sourcemap: true
+  },
+];
+
+if (isMinify) {
+  output = {
+    file: 'dist/react-paginating.umd.min.js',
+    name: 'react-paginating.umd.min',
+    format: 'iife',
+    sourcemap: true
+  };
+}
 
 export default [{
   input: 'src/Pagination/index.js',
-  output: [
-    {
-      file: 'dist/react-paginating.cjs.js',
-      name: 'react-paginating-cjs',
-      format: 'cjs'
-    },
-    {
-      file: 'dist/react-paginating.umd.js',
-      name: 'react-paginating-umd',
-      format: 'umd',
-      sourcemap: true
-    },
-    {
-      file: 'dist/react-paginating.esm.js',
-      name: 'react-paginating-esm',
-      format: 'esm'
-    }
-  ],
+  output,
   plugins: [
     babel({
       exclude: 'node_modules/**'
-    })
-  ] 
+    }),
+    isMinify ? terser() : null
+  ]
 }];