Function lazyMessageEvent

lib/internal/worker/io.js:98–101

(type, init)

// passed are known to be valid.
let fastCreateMessageEvent;
function lazyMessageEvent(type, init) {
  fastCreateMessageEvent ??= require('internal/deps/undici/undici').createFastMessageEvent;
  return fastCreateMessageEvent(type, init);
}

// We have to mess with the MessagePort prototype a bit, so that a) we can make
// it inherit from NodeEventTarget, even though it is a C++ class, and b) we do