preview.js
https://storybook.js.org/docs/react/builders/builder-api#handle-previewjs-exports
Control how the story renders in the UI
decorators
named exportaddDecorator()
function relates to the exportpreview-head.html
https://storybook.js.org/docs/react/configure/story-rendering
preview-body.html
https://storybook.js.org/docs/react/configure/story-rendering
manager-head.html
https://storybook.js.org/docs/react/configure/theming#css-escape-hatches
rest.get('someUrl', (_req, res, ctx) =>
res(
ctx.delay(3000),
ctx.json({some: 'response'}),
),
)