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events: getMaxListeners detects 0 listeners · nodejs/node@bab9c4d

nodejs

Lines changed: 1 addition & 1 deletion

Original file line numberDiff line numberDiff line change

@@ -939,7 +939,7 @@ function getEventListeners(emitterOrTarget, type) {

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function getMaxListeners(emitterOrTarget) {

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if (typeof emitterOrTarget?.getMaxListeners === 'function') {

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return _getMaxListeners(emitterOrTarget);

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} else if (emitterOrTarget?.[kMaxEventTargetListeners]) {

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} else if (typeof emitterOrTarget?.[kMaxEventTargetListeners] === 'number') {

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return emitterOrTarget[kMaxEventTargetListeners];

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}

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Lines changed: 5 additions & 0 deletions

Original file line numberDiff line numberDiff line change

@@ -17,3 +17,8 @@ const { getMaxListeners, EventEmitter, defaultMaxListeners, setMaxListeners } =

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setMaxListeners(101, et);

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assert.strictEqual(getMaxListeners(et), 101);

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}

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{

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const ac = new AbortController();

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assert.strictEqual(getMaxListeners(ac.signal), 0);

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}