Update the onComplete callback type to include file, tree, and error

Author: BlackRam-oss

lib/index.js

@@ -82,7 +82,7 @@
  *   Configuration specifically for {@linkcode MarkdownHooks}.
  * @property {ReactNode | null | undefined} [fallback]
  *   Content to render while the processor processing the markdown (optional).
- * @property {function(Root | undefined, Error | undefined): void | null | undefined} [onComplete]
+ * @property {(file: VFile, hast: Root | undefined, error: Error | undefined) => unknown} [onComplete]
  *   Callback when the processor is done processing.
  */
 
@@ -234,7 +234,7 @@ export function MarkdownHooks(options) {
         if (!cancelled) {
           setError(error)
           setTree(tree)
-          options.onComplete?.(tree, error)
+          options.onComplete?.(file, tree, error)
         }
       })