fix: export rollup.defineConfig at runtime

src/browser-entry.ts

@@ -1,2 +1,2 @@
-export { default as rollup } from './rollup/rollup';
+export { default as rollup, defineConfig } from './rollup/rollup';
 export { version as VERSION } from 'package.json';

src/node-entry.ts

@@ -1,3 +1,3 @@
-export { default as rollup } from './rollup/rollup';
+export { default as rollup, defineConfig } from './rollup/rollup';
 export { default as watch } from './watch/watch-proxy';
 export { version as VERSION } from 'package.json';

test/cli/samples/config-defineConfig-cjs/_config.js

@@ -0,0 +1,5 @@
+module.exports = {
+	description: 'uses cjs config file which return config wrapped by defineConfig',
+	command: 'rollup --config rollup.config.js',
+	execute: true
+};

test/cli/samples/config-defineConfig-cjs/main.js

@@ -0,0 +1 @@
+module.exports = 42;

test/cli/samples/config-defineConfig-cjs/rollup.config.js

@@ -0,0 +1,8 @@
+const { defineConfig } = require("../../../../dist/rollup");
+
+module.exports = defineConfig({
+	input: 'main.js',
+	output: {
+		format: 'cjs'
+	},
+});

test/cli/samples/config-defineConfig-mjs/_config.js

@@ -0,0 +1,6 @@
+module.exports = {
+	description: 'uses mjs config file which return config wrapped by defineConfig',
+	command: 'rollup --config rollup.config.mjs',
+	minNodeVersion: 13,
+	execute: true
+};

test/cli/samples/config-defineConfig-mjs/main.js

@@ -0,0 +1 @@
+module.exports = 42;

test/cli/samples/config-defineConfig-mjs/rollup.config.mjs

@@ -0,0 +1,8 @@
+import { defineConfig } from "../../../../dist/es/rollup.js"
+
+export default defineConfig({
+	input: 'main.js',
+	output: {
+		format: 'cjs'
+	},
+});