Allow passing @storybook/addon-docs options via framework options (#78)

README.md

@@ -149,6 +149,37 @@ const config = {
 export default config
 ```
 
+#### `addonDocs`
+
+- Type: `object`
+- Default: `undefined`
+
+`@storybook/addon-docs` webpack options. The builder uses `@storybook/addon-docs` internally, and accepts the passing [some options](https://github.com/storybookjs/storybook/tree/next/code/addons/docs#preset-options) via `addonDocs`.
+
+```js
+// .storybook/main.mjs
+import remarkGfm from 'remark-gfm';
+
+const config = {
+  framework: {
+    name: 'storybook-react-rsbuild',
+    options: {
+      builder: {
+        addonDocs: {
+          mdxPluginOptions: {
+            mdxCompileOptions: {
+              remarkPlugins: [remarkGfm],
+            },
+          },
+        },
+      },
+    },
+  },
+}
+
+export default config
+```
+
 ### Customize builder's Rsbuild config
 
 You can also override the merged Rsbuild config:

packages/builder-rsbuild/src/preview/iframe-rsbuild.config.ts

@@ -57,7 +57,9 @@ export type RsbuildBuilderOptions = Options & {
 export default async (
   options: RsbuildBuilderOptions,
 ): Promise<RsbuildConfig> => {
-  const appliedDocsWebpack = await docsWebpack({}, options)
+  const { rsbuildConfigPath, addonDocs } =
+    await getBuilderOptions<BuilderOptions>(options)
+  const appliedDocsWebpack = await docsWebpack({}, { ...options, ...addonDocs })
   const {
     outputDir = join('.', 'public'),
     quiet,
@@ -102,7 +104,6 @@ export default async (
     presets.apply('tags', {}),
   ])
 
-  const { rsbuildConfigPath } = await getBuilderOptions<BuilderOptions>(options)
   const stories = normalizeStories(nonNormalizedStories, {
     configDir: options.configDir,
     workingDir,

packages/builder-rsbuild/src/types.ts

@@ -47,6 +47,10 @@ export type BuilderOptions = {
    * Which environment to use from the Rsbuild config.
    */
   environment?: string
+  /**
+   * @storybook/addon-docs options
+   */
+  addonDocs?: any
 }
 
 export interface BuilderResult extends BuilderResultBase {