Vite: Fix prebundling

code/frameworks/react-vite/package.json

@@ -54,9 +54,6 @@
     "@joshwooding/vite-plugin-react-docgen-typescript": "^0.0.5",
     "@rollup/pluginutils": "^4.2.0",
     "@storybook/builder-vite": "7.0.0-alpha.54",
-    "@storybook/channel-postmessage": "7.0.0-alpha.54",
-    "@storybook/channel-websocket": "7.0.0-alpha.54",
-    "@storybook/preview-api": "7.0.0-alpha.54",
     "@storybook/react": "7.0.0-alpha.54",
     "@vitejs/plugin-react": "^2.0.0",
     "ast-types": "^0.14.2",

code/frameworks/react-vite/src/index.ts

@@ -1,11 +1 @@
-// TODO: figure out if any of this is required
-// possibly make it not required, framework should never be imported directly, except for types in config files
-
-export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
-export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
-
-export { addons } from '@storybook/preview-api';
-export { composeConfigs, PreviewWeb } from '@storybook/preview-api';
-export { ClientApi } from '@storybook/preview-api';
-
 export type { StorybookConfig } from '@storybook/builder-vite';

code/frameworks/svelte-vite/package.json

@@ -53,10 +53,7 @@
   "dependencies": {
     "@storybook/addon-svelte-csf": "^2.0.0",
     "@storybook/builder-vite": "7.0.0-alpha.54",
-    "@storybook/channel-postmessage": "7.0.0-alpha.54",
-    "@storybook/channel-websocket": "7.0.0-alpha.54",
     "@storybook/node-logger": "7.0.0-alpha.54",
-    "@storybook/preview-api": "7.0.0-alpha.54",
     "@storybook/svelte": "7.0.0-alpha.54",
     "@sveltejs/vite-plugin-svelte": "^1.0.0",
     "magic-string": "^0.26.1",

code/frameworks/svelte-vite/src/index.ts

@@ -1,8 +1 @@
-export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
-export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
-
-export { addons } from '@storybook/preview-api';
-export { composeConfigs, PreviewWeb } from '@storybook/preview-api';
-export { ClientApi } from '@storybook/preview-api';
-
 export type { StorybookConfig } from '@storybook/builder-vite';

code/frameworks/vue-vite/package.json

@@ -51,11 +51,8 @@
   },
   "dependencies": {
     "@storybook/builder-vite": "7.0.0-alpha.54",
-    "@storybook/channel-postmessage": "7.0.0-alpha.54",
-    "@storybook/channel-websocket": "7.0.0-alpha.54",
     "@storybook/core-common": "7.0.0-alpha.54",
     "@storybook/core-server": "7.0.0-alpha.54",
-    "@storybook/preview-api": "7.0.0-alpha.54",
     "@storybook/vue": "7.0.0-alpha.54",
     "magic-string": "^0.26.1",
     "vite": "^3.1.3",

code/frameworks/vue-vite/src/index.ts

@@ -1,8 +1 @@
-export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
-export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
-
-export { addons } from '@storybook/preview-api';
-export { composeConfigs, PreviewWeb } from '@storybook/preview-api';
-export { ClientApi } from '@storybook/preview-api';
-
 export type { StorybookConfig } from '@storybook/builder-vite';

code/frameworks/vue3-vite/package.json

@@ -52,10 +52,7 @@
   },
   "dependencies": {
     "@storybook/builder-vite": "7.0.0-alpha.54",
-    "@storybook/channel-postmessage": "7.0.0-alpha.54",
-    "@storybook/channel-websocket": "7.0.0-alpha.54",
     "@storybook/core-server": "7.0.0-alpha.54",
-    "@storybook/preview-api": "7.0.0-alpha.54",
     "@storybook/vue3": "7.0.0-alpha.54",
     "@vitejs/plugin-vue": "^3.0.0",
     "magic-string": "^0.26.1",

code/frameworks/vue3-vite/src/index.ts

@@ -1,8 +1 @@
-export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
-export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
-
-export { addons } from '@storybook/preview-api';
-export { composeConfigs, PreviewWeb } from '@storybook/preview-api';
-export { ClientApi } from '@storybook/preview-api';
-
 export type { StorybookConfig } from '@storybook/builder-vite';

code/frameworks/web-components-vite/package.json

@@ -52,11 +52,8 @@
   },
   "dependencies": {
     "@storybook/builder-vite": "7.0.0-alpha.54",
-    "@storybook/channel-postmessage": "7.0.0-alpha.54",
-    "@storybook/channel-websocket": "7.0.0-alpha.54",
     "@storybook/core-server": "7.0.0-alpha.54",
     "@storybook/node-logger": "7.0.0-alpha.54",
-    "@storybook/preview-api": "7.0.0-alpha.54",
     "@storybook/web-components": "7.0.0-alpha.54",
     "magic-string": "^0.26.1",
     "vite": "3"

code/frameworks/web-components-vite/src/index.ts

@@ -1,8 +1 @@
-export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
-export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
-
-export { addons } from '@storybook/preview-api';
-export { composeConfigs, PreviewWeb } from '@storybook/preview-api';
-export { ClientApi } from '@storybook/preview-api';
-
 export type { StorybookConfig } from '@storybook/builder-vite';

code/lib/builder-vite/input/iframe.html

@@ -25,11 +25,7 @@
     <!-- [BODY HTML SNIPPET HERE] -->
     <div id="storybook-root"></div>
     <div id="storybook-docs"></div>
-    <script type="module">
-      /* eslint-disable import/no-absolute-path, import/extensions, import/no-unresolved */
-
-      import '/sb-preview/runtime.mjs';
-      import '/virtual:/@storybook/builder-vite/vite-app.js';
-    </script>
+    <script type="module" src="/sb-preview/runtime.mjs"></script>
+    <script type="module" src="/virtual:/@storybook/builder-vite/vite-app.js"></script>
   </body>
 </html>

code/lib/builder-vite/package.json

@@ -41,10 +41,7 @@
     "prep": "../../../scripts/prepare/bundle.ts"
   },
   "dependencies": {
-    "@fal-works/esbuild-plugin-global-externals": "^2.1.2",
     "@joshwooding/vite-plugin-react-docgen-typescript": "0.0.5",
-    "@storybook/addons": "7.0.0-alpha.54",
-    "@storybook/client-api": "7.0.0-alpha.54",
     "@storybook/client-logger": "7.0.0-alpha.54",
     "@storybook/core-common": "7.0.0-alpha.54",
     "@storybook/mdx2-csf": "next",
@@ -61,12 +58,14 @@
     "glob": "^7.2.0",
     "glob-promise": "^4.2.0",
     "magic-string": "^0.26.1",
+    "rollup-plugin-external-globals": "^0.7.1",
     "slash": "^3.0.0",
     "vite": "^3.1.3"
   },
   "devDependencies": {
     "@types/express": "^4.17.13",
     "@types/node": "^16.0.0",
+    "ts-dedent": "^2.0.0",
     "typescript": "^4.9.3",
     "vite": "^3.1.3"
   },

code/lib/builder-vite/src/build.ts

@@ -1,4 +1,4 @@
-import { build as viteBuild } from 'vite';
+import { build as viteBuild, mergeConfig } from 'vite';
 import { commonConfig } from './vite-config';
 
 import type { ExtendedOptions } from './types';
@@ -8,11 +8,17 @@ export async function build(options: ExtendedOptions) {
   const { presets } = options;
 
   const config = await commonConfig(options, 'build');
-  config.build = {
-    outDir: options.outputDir,
-    emptyOutDir: false, // do not clean before running Vite build - Storybook has already added assets in there!
-    sourcemap: true,
-  };
+  config.build = mergeConfig(config, {
+    build: {
+      outDir: options.outputDir,
+      emptyOutDir: false, // do not clean before running Vite build - Storybook has already added assets in there!
+      sourcemap: true,
+      rollupOptions: {
+        // Do not try to bundle the storybook runtime, it is copied into the output dir after the build.
+        external: ['/sb-preview/runtime.mjs'],
+      },
+    },
+  }).build;
 
   const finalConfig = await presets.apply('viteFinal', config, options);
 

code/lib/builder-vite/src/codegen-modern-iframe-script.ts

@@ -53,11 +53,10 @@ export async function generateModernIframeScriptCode(options: ExtendedOptions) {
    * @todo Inline variable and remove `noinspection`
    */
   const code = `
-    import { ClientApi, composeConfigs, PreviewWeb } from '${frameworkName}';
-
-    import '${virtualAddonSetupFile}';
-    import { importFn } from '${virtualStoriesFile}';
-
+  import { composeConfigs, PreviewWeb, ClientApi } from '@storybook/preview-api';
+  import '${virtualAddonSetupFile}';
+  import { importFn } from '${virtualStoriesFile}';
+
     const getProjectAnnotations = async () => {
       const configs = await Promise.all([${relativePreviewAnnotations
         .map((previewAnnotation) => `import('${previewAnnotation}')`)

code/lib/builder-vite/src/codegen-set-addon-channel.ts

@@ -1,12 +1,8 @@
-import { getFrameworkName } from '@storybook/core-common';
-
-import type { ExtendedOptions } from './types';
-
-export async function generateAddonSetupCode(options: ExtendedOptions) {
-  const framework = await getFrameworkName(options);
-
+export async function generateAddonSetupCode() {
   return `
-    import { createPostMessageChannel, createWebSocketChannel, addons } from '${framework}';
+    import { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
+    import { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
+    import { addons } from '@storybook/preview-api';
 
     const channel = createPostMessageChannel({ page: 'preview' });
     addons.setChannel(channel);

code/lib/builder-vite/src/optimizeDeps.ts

@@ -1,8 +1,6 @@
 import * as path from 'path';
 import { normalizePath, resolveConfig } from 'vite';
 import type { InlineConfig as ViteInlineConfig, UserConfig } from 'vite';
-import { globalExternals } from '@fal-works/esbuild-plugin-global-externals';
-import { definitions } from '@storybook/preview/globals';
 import { listStories } from './list-stories';
 
 import type { ExtendedOptions } from './types';
@@ -15,20 +13,17 @@ const INCLUDE_CANDIDATES = [
   '@mdx-js/react',
   '@storybook/addon-docs > acorn-jsx',
   '@storybook/addon-docs',
-  '@storybook/preview-api',
   '@storybook/channel-postmessage',
   '@storybook/channel-websocket',
   '@storybook/client-api',
-  '@storybook/preview-api',
   '@storybook/client-logger',
   '@storybook/core/client',
-  '@storybook/types',
-  '@storybook/preview-api',
   '@storybook/preview-api',
   '@storybook/preview-web',
   '@storybook/react > acorn-jsx',
   '@storybook/react',
   '@storybook/svelte',
+  '@storybook/types',
   '@storybook/vue3',
   'acorn-jsx',
   'acorn-walk',
@@ -124,9 +119,6 @@ export async function getOptimizeDeps(config: ViteInlineConfig, options: Extende
     // We need Vite to precompile these dependencies, because they contain non-ESM code that would break
     // if we served it directly to the browser.
     include,
-    esbuildOptions: {
-      plugins: [globalExternals(definitions)],
-    },
   };
 
   return optimizeDeps;

code/lib/builder-vite/src/plugins/code-generator-plugin.ts

@@ -101,9 +101,6 @@ export function codeGeneratorPlugin(options: ExtendedOptions): Plugin {
       if (source === virtualAddonSetupFile) {
         return virtualAddonSetupFile;
       }
-      if (source === '/sb-preview/runtime.mjs') {
-        return '/sb-preview/runtime.mjs';
-      }
 
       return undefined;
     },
@@ -117,7 +114,7 @@ export function codeGeneratorPlugin(options: ExtendedOptions): Plugin {
       }
 
       if (id === virtualAddonSetupFile) {
-        return generateAddonSetupCode(options);
+        return generateAddonSetupCode();
       }
 
       if (id === virtualPreviewFile && !storyStoreV7) {
@@ -131,11 +128,6 @@ export function codeGeneratorPlugin(options: ExtendedOptions): Plugin {
         return generateIframeScriptCode(options);
       }
 
-      // This is handled by the express router, not vite
-      if (id === '/sb-preview/runtime.mjs') {
-        return '';
-      }
-
       if (id === iframeId) {
         return fs.readFileSync(
           require.resolve('@storybook/builder-vite/input/iframe.html'),

code/lib/builder-vite/src/typings.d.ts

@@ -0,0 +1 @@
+declare module 'rollup-plugin-external-globals';

code/lib/builder-vite/src/vite-config.ts

@@ -8,7 +8,11 @@ import type {
   InlineConfig,
 } from 'vite';
 import viteReact from '@vitejs/plugin-react';
+import externalGlobals from 'rollup-plugin-external-globals';
 import { isPreservingSymlinks, getFrameworkName } from '@storybook/core-common';
+import { globals } from '@storybook/preview/globals';
+// eslint-disable-next-line import/no-extraneous-dependencies
+import dedent from 'ts-dedent';
 import {
   codeGeneratorPlugin,
   injectExportOrderPlugin,
@@ -38,15 +42,29 @@ export async function commonConfig(
 ): Promise<ViteInlineConfig> {
   const configEnv = _type === 'development' ? configEnvServe : configEnvBuild;
 
-  const { config: userConfig = {} } = (await loadConfigFromFile(configEnv)) ?? {};
+  // I destructure away the `build` property from the user's config object
+  // I do this because I can contain config that breaks storybook, such as we had in a lit project.
+  // If the user needs to configure the `build` they need to do so in the viteFinal function in main.js.
+  const { config: { build: buildProperty = undefined, ...userConfig } = {} } =
+    (await loadConfigFromFile(configEnv)) ?? {};
+
+  if (buildProperty) {
+    console.warn(
+      dedent`
+        The 'build' property in your vite config is not supported by storybook. Please use the viteFinal function in main.js to configure the build.
+        This is because storybook needs to configure the build for you.
+
+        Often the user's (your) app, needs 'build' config that is different from storybook.
+      `
+    );
+  }
 
   const sbConfig: InlineConfig = {
     configFile: false,
     cacheDir: 'node_modules/.cache/.vite-storybook',
     root: path.resolve(options.configDir, '..'),
     // Allow storybook deployed as subfolder.  See https://github.com/storybookjs/builder-vite/issues/238
     base: './',
-
     plugins: await pluginConfig(options),
     resolve: {
       preserveSymlinks: isPreservingSymlinks(),
@@ -86,6 +104,7 @@ export async function pluginConfig(options: ExtendedOptions) {
         }
       },
     },
+    externalGlobals(globals),
   ] as PluginOption[];
 
   // We need the react plugin here to support MDX in non-react projects.

code/lib/builder-webpack5/src/preview/iframe-webpack.config.ts

@@ -9,6 +9,7 @@ import VirtualModulePlugin from 'webpack-virtual-modules';
 import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin';
 
 import type { Options, CoreConfig, DocsOptions, PreviewAnnotation } from '@storybook/types';
+import { globals } from '@storybook/preview/globals';
 import {
   getRendererName,
   stringifyProcessEnvs,
@@ -207,27 +208,7 @@ export default async (
     watchOptions: {
       ignored: /node_modules/,
     },
-    externals: {
-      ...[
-        // these packages are pre-bundled, so they are mapped to global shims
-        // at some point this should only be a single package: preview-api
-        'addons',
-        'channel-postmessage',
-        'channel-websocket',
-        'channels',
-        'client-logger',
-        'core-events',
-        'preview-api',
-      ].reduce(
-        (acc, sbPackage) => ({
-          ...acc,
-          [`@storybook/${sbPackage}`]: `__STORYBOOK_MODULE_${sbPackage
-            .toUpperCase()
-            .replaceAll('-', '_')}__`,
-        }),
-        {}
-      ),
-    },
+    externals: globals,
     ignoreWarnings: [
       {
         message: /export '\S+' was not found in 'global'/,