From bce1136f5d08009dcdcab94cea9941b5bea568b5 Mon Sep 17 00:00:00 2001
From: Huanyi Xie <74809554+xiehuanyi@users.noreply.github.com>
Date: Sun, 11 Oct 2026 15:13:15 +0300
Subject: [PATCH] fix: allow removing all wildcard handlers in types

---
 src/index.ts                   |  2 +-
 test/index_test.ts             | 15 +++++++++++++++
 test/test-types-compilation.ts |  2 ++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 17672aa..149d932 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -30,7 +30,7 @@ export interface Emitter<Events extends Record<EventType, unknown>> {
 		type: Key,
 		handler?: Handler<Events[Key]>
 	): void;
-	off(type: '*', handler: WildcardHandler<Events>): void;
+	off(type: '*', handler?: WildcardHandler<Events>): void;
 
 	emit<Key extends keyof Events>(type: Key, event: Events[Key]): void;
 	emit<Key extends keyof Events>(
diff --git a/test/index_test.ts b/test/index_test.ts
index 31c9495..5a57ace 100644
--- a/test/index_test.ts
+++ b/test/index_test.ts
@@ -157,6 +157,21 @@ describe('mitt#', () => {
 		});
 	});
 
+	it('off("*") should remove all wildcard handlers only', () => {
+		const wildcard = spy();
+		const foo = spy();
+		inst.on('*', wildcard);
+		inst.on('*', spy());
+		inst.on('foo', foo);
+
+		inst.off('*');
+		inst.emit('foo', 'value');
+
+		expect(events.get('*')).to.deep.equal([]);
+		expect(wildcard).not.to.have.been.called;
+		expect(foo).to.have.been.calledOnce.and.calledWith('value');
+	});
+
 	describe('emit()', () => {
 		it('should be a function', () => {
 			expect(inst).to.have.property('emit').that.is.a('function');
diff --git a/test/test-types-compilation.ts b/test/test-types-compilation.ts
index 476e631..01db153 100644
--- a/test/test-types-compilation.ts
+++ b/test/test-types-compilation.ts
@@ -50,6 +50,8 @@ const wildcardHandler = (
 	// @ts-expect-error
 	emitter.off('bar', fooHandler);
 
+	emitter.off('*');
+	emitter.off('*', undefined);
 	emitter.off('*', wildcardHandler);
 	// fooHandler is ok, because ('foo' | 'bar' | 'someEvent') extends string
 	emitter.off('*', fooHandler);