import type { Decorator } from '@storybook/react' import MockDate from 'mockdate' declare module '@storybook/types' { interface Parameters { mockDate?: string | number | Date } } /** Global story decorator that allows mocking of dates. * * ```ts * export default { * title: 'My story', * component: MyComponent, * parameters: { * mockDate: '2023-02-01', // add mock date here * }, * } as ComponentMeta * ``` */ export const withMockDate: Decorator = (Story, { parameters }) => { if (parameters.mockDate) { MockDate.set(parameters.mockDate) } else { MockDate.reset() } return }