import '@angular/localize/init'; import { withThemeByClassName, withThemeByDataAttribute } from '@storybook/addon-themes'; const preview = { decorators: [ withThemeByClassName({ defaultTheme: 'Light', parentSelector: 'body', themes: { Dark: 'theme-dark', Light: 'theme-light' } }), withThemeByDataAttribute({ attributeName: 'data-bs-theme', defaultTheme: 'Light', parentSelector: 'html', themes: { Dark: 'dark', Light: 'light' } }) ] }; if (typeof document !== 'undefined') { document.body.classList.add('mat-typography'); } export default preview;