Function oninit

lib/internal/worker/io.js:149–153

()

// This is called from inside the `MessagePort` constructor.
function oninit() {
  initNodeEventTarget(this);
  setupPortReferencing(this, this, 'message');
  this[kCurrentlyReceivingPorts] = undefined;
}

defineEventHandler(MessagePort.prototype, 'message');
defineEventHandler(MessagePort.prototype, 'messageerror');