fix: toBeWithin fails with bigints (closes #769) (#771)

Author: keeganwitt

.changeset/shaky-rings-study.md

@@ -0,0 +1,5 @@
+---
+'jest-extended': patch
+---
+
+toBeWithin fails with bigints

src/matchers/toBeWithin.ts

@@ -2,7 +2,7 @@ export function toBeWithin(actual: unknown, start: number, end: number) {
   // @ts-expect-error OK to have implicit any for this.utils
   const { printReceived, printExpected, matcherHint } = this.utils;
 
-  const pass = typeof actual === 'number' && actual >= start && actual < end;
+  const pass = (typeof actual === 'number' || typeof actual === 'bigint') && actual >= start && actual < end;
 
   return {
     pass,

test/matchers/toBeWithin.test.ts

@@ -7,6 +7,10 @@ describe('.toBeWithin', () => {
     expect(1).toBeWithin(1, 3);
   });
 
+  test('passes when given bigint number is within the given bounds of start (inclusive) and end (exclusive)', () => {
+    expect(BigInt(1)).toBeWithin(1, 3);
+  });
+
   test('fails when given number is not within the given bounds of start (inclusive) and end (exclusive)', () => {
     expect(() => expect(3).toBeWithin(1, 3)).toThrowErrorMatchingSnapshot();
   });