Function isEventTarget

lib/internal/event_target.js:1098–1100

(obj)

// It stands in its current implementation as a compromise.
// Ref: https://github.com/nodejs/node/pull/33661
function isEventTarget(obj) {
  return obj?.constructor?.[kIsEventTarget];
}

function isNodeEventTarget(obj) {
  return obj?.constructor?.[kIsNodeEventTarget];