Upload Kmake

lib/internal/events/abort_listener.js

@@ -0,0 +1,54 @@
+'use strict';
+
+const {
+  SymbolDispose,
+} = primordials;
+const {
+  validateAbortSignal,
+  validateFunction,
+} = require('internal/validators');
+const {
+  codes: {
+    ERR_INVALID_ARG_TYPE,
+  },
+} = require('internal/errors');
+
+let queueMicrotask;
+let kResistStopPropagation;
+
+/**
+ * @param {AbortSignal} signal
+ * @param {EventListener} listener
+ * @returns {Disposable}
+ */
+function addAbortListener(signal, listener) {
+  if (signal === undefined) {
+    throw new ERR_INVALID_ARG_TYPE('signal', 'AbortSignal', signal);
+  }
+  validateAbortSignal(signal, 'signal');
+  validateFunction(listener, 'listener');
+
+  let removeEventListener;
+  if (signal.aborted) {
+    queueMicrotask ??= require('internal/process/task_queues').queueMicrotask;
+    queueMicrotask(() => listener());
+  } else {
+    kResistStopPropagation ??= require('internal/event_target').kResistStopPropagation;
+    // TODO(atlowChemi) add { subscription: true } and return directly
+    signal.addEventListener('abort', listener, { __proto__: null, once: true, [kResistStopPropagation]: true });
+    removeEventListener = () => {
+      signal.removeEventListener('abort', listener);
+    };
+  }
+  return {
+    __proto__: null,
+    [SymbolDispose]() {
+      removeEventListener?.();
+    },
+  };
+}
+
+module.exports = {
+  __proto__: null,
+  addAbortListener,
+};

lib/internal/events/symbols.js

@@ -0,0 +1,11 @@
+'use strict';
+
+const {
+  Symbol,
+} = primordials;
+
+const kFirstEventParam = Symbol('kFirstEventParam');
+
+module.exports = {
+  kFirstEventParam,
+};