From d46ff7f0ab24261dc5e24eee1f449e09a648ce77 Mon Sep 17 00:00:00 2001
From: samchungy <samchungy@gmail.com>
Date: Fri, 25 Oct 2024 12:02:13 +1100
Subject: [PATCH] Add typings for `this`

---
 src/index.d.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/index.d.ts b/src/index.d.ts
index 136ad88..f9b22e9 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -17,7 +17,7 @@
  */
 declare class DataLoader<K, V, C = K> {
   constructor(
-    batchLoadFn: DataLoader.BatchLoadFn<K, V>,
+    batchLoadFn: DataLoader.BatchLoadFn<K, V, C>,
     options?: DataLoader.Options<K, V, C>,
   );
 
@@ -80,7 +80,8 @@ declare namespace DataLoader {
 
   // A Function, which when given an Array of keys, returns a Promise of an Array
   // of values or Errors.
-  export type BatchLoadFn<K, V> = (
+  export type BatchLoadFn<K, V, C = K> = (
+    this: DataLoader<K, V, C>,
     keys: ReadonlyArray<K>,
   ) => PromiseLike<ArrayLike<V | Error>>;