addons/docs/src/blocks/Preview.tsx
import React, { ComponentProps } from 'react';
import deprecate from 'util-deprecate';
import dedent from 'ts-dedent';
import { Canvas } from './Canvas';
export const Preview = deprecate(
(props: ComponentProps<typeof Canvas>) => <Canvas {...props} />,
dedent`
Preview doc block has been renamed to Canvas.
https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#previewprops-renamed
`
);