...

.gitignore

@@ -0,0 +1 @@
+node_modules/

dist/main.js

@@ -0,0 +1,7 @@
+'use strict';
+
+function cube ( x ) {
+    return x * x * x;
+}
+
+console.log( cube( 5 ) ); // 125

gulpfile.js

@@ -0,0 +1,28 @@
+var gulp        = require('gulp');
+var fs          = require('fs');
+var rollup      = require('rollup').rollup;
+var commonjs    = require('rollup-plugin-commonjs');
+var nodeResolve = require('rollup-plugin-node-resolve');
+
+gulp.task('script', function () {
+    return rollup({
+        entry: 'src/main.js',
+        plugins: [
+            nodeResolve({ jsnext: true }),
+            commonjs()
+        ]
+    }).then(function (bundle) {
+        // 输出 bundle + sourcemap
+        var result = bundle.generate({
+            // output format - 'amd', 'cjs', 'es6', 'iife', 'umd'
+            format: 'cjs'
+        });
+
+        fs.writeFileSync( 'bundle.js', result.code );
+
+        bundle.write({
+            format: 'cjs',
+            dest: 'dist/main.js'
+        });
+    });
+});

package.json

@@ -0,0 +1,17 @@
+{
+  "name": "rollup-demo",
+  "version": "1.0.0",
+  "description": "rollup demo",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "gulp": "^3.9.1",
+    "rollup": "^0.25.4",
+    "rollup-plugin-commonjs": "^2.2.1",
+    "rollup-plugin-node-resolve": "^1.4.0"
+  }
+}

src/main.js

@@ -0,0 +1,2 @@
+import { cube } from './maths.js';
+console.log( cube( 5 ) ); // 125

src/maths.js

@@ -0,0 +1,7 @@
+export function square ( x ) {
+    return x * x;
+}
+
+export function cube ( x ) {
+    return x * x * x;
+}