packages/cli: support multiple packager configs

packages/cli/src/lib/packager/config.ts

@@ -21,32 +21,34 @@ import postcss from 'rollup-plugin-postcss';
 import esbuild from 'rollup-plugin-esbuild';
 import imageFiles from 'rollup-plugin-image-files';
 import json from '@rollup/plugin-json';
-import { RollupWatchOptions } from 'rollup';
+import { RollupOptions } from 'rollup';
 
-export const makeConfig = (): RollupWatchOptions => {
-  return {
-    input: 'src/index.ts',
-    output: {
-      file: 'dist/index.esm.js',
-      format: 'module',
+export const makeConfigs = (): RollupOptions[] => {
+  return [
+    {
+      input: 'src/index.ts',
+      output: {
+        file: 'dist/index.esm.js',
+        format: 'module',
+      },
+      plugins: [
+        peerDepsExternal({
+          includeDependencies: true,
+        }),
+        resolve({
+          mainFields: ['browser', 'module', 'main'],
+        }),
+        commonjs({
+          include: ['node_modules/**', '../../node_modules/**'],
+          exclude: ['**/*.stories.*', '**/*.test.*'],
+        }),
+        postcss(),
+        imageFiles(),
+        json(),
+        esbuild({
+          target: 'es2019',
+        }),
+      ],
     },
-    plugins: [
-      peerDepsExternal({
-        includeDependencies: true,
-      }),
-      resolve({
-        mainFields: ['browser', 'module', 'main'],
-      }),
-      commonjs({
-        include: ['node_modules/**', '../../node_modules/**'],
-        exclude: ['**/*.stories.*', '**/*.test.*'],
-      }),
-      postcss(),
-      imageFiles(),
-      json(),
-      esbuild({
-        target: 'es2019',
-      }),
-    ],
-  };
+  ];
 };

packages/cli/src/lib/packager/packager.ts

@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-import { rollup, OutputOptions } from 'rollup';
+import { rollup, RollupOptions } from 'rollup';
 import chalk from 'chalk';
 import { relative as relativePath } from 'path';
 import { paths } from '../paths';
-import { makeConfig } from './config';
+import { makeConfigs } from './config';
 
 function formatErrorMessage(error: any) {
   let msg = '';
@@ -67,13 +67,21 @@ function formatErrorMessage(error: any) {
   return msg;
 }
 
-export const buildPackage = async () => {
+async function build(config: RollupOptions) {
   try {
-    const config = makeConfig();
     const bundle = await rollup(config);
-    await bundle.generate(config.output as OutputOptions);
-    await bundle.write(config.output as OutputOptions);
+    if (config.output) {
+      for (const output of [config.output].flat()) {
+        await bundle.generate(output);
+        await bundle.write(output);
+      }
+    }
   } catch (error) {
     throw new Error(formatErrorMessage(error));
   }
+}
+
+export const buildPackage = async () => {
+  const configs = makeConfigs();
+  await Promise.all(configs.map(build));
 };