"use strict";
/* Socket Lib - Built with esbuild */
"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var register_exports = {};
__export(register_exports, {
  onExit: () => onExit
});
module.exports = __toCommonJS(register_exports);
var import_error = require("../primordials/error");
var import_internal = require("./_internal");
var import_lifecycle = require("./lifecycle");
// @__NO_SIDE_EFFECTS__
function onExit(cb, options) {
  if (!import_internal.globalProcess) {
    return function remove() {
    };
  }
  if (typeof cb !== "function") {
    throw new import_error.TypeErrorCtor("a callback must be provided for exit handler");
  }
  if ((0, import_internal.isLoaded)() === false) {
    (0, import_lifecycle.load)();
  }
  const { alwaysLast } = { __proto__: null, ...options };
  let eventName = "exit";
  if (alwaysLast) {
    eventName = "afterexit";
  }
  const emitter = (0, import_internal.getEmitter)();
  emitter.on(eventName, cb);
  return function remove() {
    emitter.removeListener(eventName, cb);
    if (!emitter.listeners("exit").length && !emitter.listeners("afterexit").length) {
      (0, import_lifecycle.unload)();
    }
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  onExit
});
