feat: pass file to transform option

src/index.ts

@@ -8,14 +8,14 @@ import { Element, Text } from './types/hast';
 const attacher: Attacher = (options) => {
   if (!validateOptions(options)) throw new Error('Invalid options');
 
-  const transformer: Transformer = async (tree, _file) => {
+  const transformer: Transformer = async (tree, file) => {
     // List of transformations that are ocurring
     let transformations: Promise<void>[] = [];
 
     visit<MDASTCode>(tree, 'code', (node) => {
       const transform =
         typeof options.transform === 'function'
-          ? options.transform(node)
+          ? options.transform(node, file)
           : options.transform;
       // Asyncronously apply the transformation
       transformations.push(

src/options.ts

@@ -1,3 +1,4 @@
+import type { VFileCompatible } from 'unified';
 import * as hast from './types/hast';
 import { MDASTCode, MDASTCodeExtra } from './types';
 
@@ -13,14 +14,18 @@ export interface TransformResults {
   /**
    * A general function that applies arbitrary changes to the MDAST node
    */
-  transform?: (node: MDASTCodeExtra) => void | Promise<void>;
+  transform?: (
+    node: MDASTCodeExtra,
+    file: VFileCompatible
+  ) => void | Promise<void>;
 }
 
 export type Options = {
   transform:
     | TransformResults
     | ((
-        node: MDASTCode
+        node: MDASTCode,
+        file: VFileCompatible
       ) =>
         | void
         | undefined