Function init

lib/internal/trace_events_async_hooks.js:44–54

(asyncId, type, triggerAsyncId, resource)

  const hook = async_hooks.createHook({
    init(asyncId, type, triggerAsyncId, resource) {
      if (nativeProviders.has(type)) return;

      typeMemory.set(asyncId, type);
      trace(kBeforeEvent, kTraceEventCategory,
            type, asyncId,
            {
              triggerAsyncId,
              executionAsyncId: async_hooks.executionAsyncId(),
            });
    },

    before(asyncId) {
      const type = typeMemory.get(asyncId);