Update ExpectAPI.md

Update doc to add types for custom matchers Fix : jestjs#10642
ajubin · Mar 18, 2021 · 7a98ccb · 7a98ccb
1 parent 420bcb7
commit 7a98ccb
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/docs/ExpectAPI.md b/docs/ExpectAPI.md
@@ -70,11 +70,9 @@ test('numeric ranges', () => {
 _Note_: In TypeScript, when using `@types/jest` for example, you can declare the new `toBeWithinRange` matcher like this:
 
 ```ts
-declare global {
-  namespace jest {
-    interface Matchers<R> {
-      toBeWithinRange(a: number, b: number): R;
-    }
+declare namespace jest {
+  interface Matchers<R> {
+    toBeWithinRange(a: number, b: number): R;
   }
 }
 ```