Core: Fix rehypeCode() tsdoc for lazy option

.changeset/few-ads-sit.md

@@ -0,0 +1,5 @@
+---
+'fumadocs-core': patch
+---
+
+Fix `rehypeCode()` tsdoc for `lazy` option

.changeset/short-parrots-care.md

@@ -0,0 +1,5 @@
+---
+'fumadocs-twoslash': patch
+---
+
+bump deps

packages/core/src/mdx-plugins/rehype-code.ts

@@ -60,7 +60,17 @@ function parseLineNumber(str: string, data: Record<string, unknown>) {
   });
 }
 
-export type RehypeCodeOptions = RehypeShikiOptions & {
+type DistributiveOmit<T, K extends keyof T> = T extends unknown
+  ? Omit<T, K>
+  : never;
+
+export type RehypeCodeOptions = DistributiveOmit<RehypeShikiOptions, 'lazy'> & {
+  /**
+   * Load languages and themes on-demand.
+   * @defaultValue true
+   */
+  lazy?: boolean;
+
   /**
    * The regex engine to use.
    *

packages/twoslash/src/index.ts

@@ -28,9 +28,16 @@ export function transformerTwoslash(
 ): ShikiTransformer {
   const ignoreClass = 'nd-copy-ignore';
 
-  function getInstance() {
-    cachedInstance ??= createTwoslasher(options.twoslashOptions);
-    return cachedInstance;
+  // lazy load Twoslash instance so it works on serverless platforms
+  function lazyInstance(): TwoslashInstance {
+    function get() {
+      return (cachedInstance ??= createTwoslasher(options.twoslashOptions));
+    }
+
+    const wrapper: TwoslashInstance = (...args) => get()(...args);
+
+    wrapper.getCacheMap = () => get().getCacheMap();
+    return wrapper;
   }
 
   const renderer = rendererRich({
@@ -109,8 +116,7 @@ export function transformerTwoslash(
     return result;
   };
   return createTransformerFactory(
-    // lazy load Twoslash instance so it works on serverless platforms
-    ((...args) => getInstance()(...args)) as TwoslashInstance,
+    lazyInstance(),
     renderer,
   )({
     explicitTrigger: true,