app/react/src/server/framework-preset-react-docgen.ts
import type { TransformOptions } from '@babel/core';
import type { Configuration } from 'webpack';
import ReactDocgenTypescriptPlugin from '@storybook/react-docgen-typescript-plugin';
import type { Options, TypescriptConfig } from '@storybook/core-common';
export async function babel(config: TransformOptions, { presets }: Options) {
const typescriptOptions = await presets.apply<TypescriptConfig>('typescript', {} as any);
const { reactDocgen } = typescriptOptions;
if (typeof reactDocgen !== 'string') {
return config;
}
return {
...config,
overrides: [
{
test: reactDocgen === 'react-docgen' ? /\.(mjs|tsx?|jsx?)$/ : /\.(mjs|jsx?)$/,
plugins: [
[
require.resolve('babel-plugin-react-docgen'),
{
DOC_GEN_COLLECTION_NAME: 'STORYBOOK_REACT_CLASSES',
},
],
],
},
],
};
}
export async function webpackFinal(config: Configuration, { presets }: Options) {
const typescriptOptions = await presets.apply<TypescriptConfig>('typescript', {} as any);
const { reactDocgen, reactDocgenTypescriptOptions } = typescriptOptions;
if (reactDocgen !== 'react-docgen-typescript') {
return config;
}
return {
...config,
plugins: [
...config.plugins,
new ReactDocgenTypescriptPlugin({
...reactDocgenTypescriptOptions,
// We *need* this set so that RDT returns default values in the same format as react-docgen
savePropValueAsString: true,
}),
],
};
}