Merge 6e845ae into d03d6f0

graphql · Nov 14, 2019 · ee01d8e · ee01d8e
2 parents d03d6f0 + 6e845ae
commit ee01d8e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index.d.ts b/src/index.d.ts
@@ -71,7 +71,7 @@ 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> =
-    (keys: ArrayLike<K>) => PromiseLike<ArrayLike<V | Error>>;
+    (keys: ReadonlyArray<K>) => PromiseLike<ArrayLike<V | Error>>;
 
   // Optionally turn off batching or caching or provide a cache key function or a
   // custom cache instance.