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-rw-r--r--lib/events.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/events.js b/lib/events.js
index ebde85c6dd..f6e4996d20 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -497,6 +497,17 @@ function unwrapListeners(arr) {
function once(emitter, name) {
return new Promise((resolve, reject) => {
+ if (typeof emitter.addEventListener === 'function') {
+ // EventTarget does not have `error` event semantics like Node
+ // EventEmitters, we do not listen to `error` events here.
+ emitter.addEventListener(
+ name,
+ (...args) => { resolve(args); },
+ { once: true }
+ );
+ return;
+ }
+
const eventListener = (...args) => {
if (errorListener !== undefined) {
emitter.removeListener('error', errorListener);