Add isDefaultPrevented fn to event

preactjs · Feb 28, 2020 · 72a283b · 72a283b
1 parent afb350f
commit 72a283b
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diff --git a/compat/src/render.js b/compat/src/render.js
@@ -51,6 +51,7 @@ let oldEventHook = options.event;
 options.event = e => {
 	if (oldEventHook) e = oldEventHook(e);
 	e.persist = () => {};
+	e.isDefaultPrevented = () => e.defaultPrevented;
 	return (e.nativeEvent = e);
 };
 

diff --git a/compat/test/browser/events.test.js b/compat/test/browser/events.test.js
@@ -36,6 +36,7 @@ describe('preact/compat events', () => {
 		const event = spy.args[0][0];
 		expect(event).to.haveOwnProperty('persist');
 		expect(event).to.haveOwnProperty('nativeEvent');
+		expect(event).to.haveOwnProperty('isDefaultPrevented');
 		expect(typeof event.persist).to.equal('function');
 
 		expect(() => event.persist()).to.not.throw();