From a3ef2b7335c4f1954f03776defc9982e7f17c3d4 Mon Sep 17 00:00:00 2001
From: Benjamin Gruenbaum <benjamingr@gmail.com>
Date: Thu, 28 May 2020 19:08:43 +0300
Subject: [PATCH] events: support useCapture boolean
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PR-URL: https://github.com/nodejs/node/pull/33618
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
---
 lib/internal/event_target.js      | 3 +++
 test/parallel/test-eventtarget.js | 9 ++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/internal/event_target.js b/lib/internal/event_target.js
index df25200f1b09d8..8641129b132914 100644
--- a/lib/internal/event_target.js
+++ b/lib/internal/event_target.js
@@ -413,6 +413,9 @@ function validateListener(listener) {
 }
 
 function validateEventListenerOptions(options) {
+  if (typeof options === 'boolean') {
+    options = { capture: options };
+  }
   if (options == null || typeof options !== 'object')
     throw new ERR_INVALID_ARG_TYPE('options', 'object', options);
   const {
diff --git a/test/parallel/test-eventtarget.js b/test/parallel/test-eventtarget.js
index 8d4be41df55c73..3e652e1e3396b4 100644
--- a/test/parallel/test-eventtarget.js
+++ b/test/parallel/test-eventtarget.js
@@ -152,7 +152,14 @@ ok(EventTarget);
   eventTarget.addEventListener('foo', (event) => event.preventDefault());
   ok(!eventTarget.dispatchEvent(event));
 }
-
+{
+  // Adding event listeners with a boolean useCapture
+  const eventTarget = new EventTarget();
+  const event = new Event('foo');
+  const fn = common.mustCall((event) => strictEqual(event.type, 'foo'));
+  eventTarget.addEventListener('foo', fn, false);
+  eventTarget.dispatchEvent(event);
+}
 {
   const eventTarget = new NodeEventTarget();
   strictEqual(eventTarget.listenerCount('foo'), 0);