diff options
Diffstat (limited to 'lib/events.js')
-rw-r--r-- | lib/events.js | 11 |
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); |