Fix error when no preview file is present.

storybookjs · Feb 19, 2022 · bfc38e9 · bfc38e9
1 parent 6c556e1
commit bfc38e9
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/storybook-builder-vite/codegen-iframe-script.ts b/packages/storybook-builder-vite/codegen-iframe-script.ts
@@ -38,10 +38,10 @@ export async function generateIframeScriptCode(
     } from '@storybook/client-api';
     import { logger } from '@storybook/client-logger';
     ${absoluteFilesToImport(configEntries, 'config')}
-    import preview from '${previewFilename}';
+    import * as preview from '${previewFilename}';
     import { configStories } from '${storiesFilename}';
 
-    const configs = [${importArray('config', configEntries.length).concat('preview').join(',')}]
+    const configs = [${importArray('config', configEntries.length).concat('preview.default').join(',')}].filter(Boolean)
 
     configs.forEach(config => {
       Object.keys(config).forEach((key) => {