"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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 __publicField = (obj, key, value) => {
  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};

// src/index.ts
var src_exports = {};
__export(src_exports, {
  AsyncQueue: () => AsyncQueue
});
module.exports = __toCommonJS(src_exports);

// src/lib/AsyncQueue.ts
var AsyncQueue = class {
  constructor() {
    __publicField(this, "promises", []);
  }
  get remaining() {
    return this.promises.length;
  }
  wait() {
    const next = this.promises.length ? this.promises[this.promises.length - 1].promise : Promise.resolve();
    let resolve;
    const promise = new Promise((res) => {
      resolve = res;
    });
    this.promises.push({
      resolve,
      promise
    });
    return next;
  }
  shift() {
    const deferred = this.promises.shift();
    if (typeof deferred !== "undefined")
      deferred.resolve();
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  AsyncQueue
});
//# sourceMappingURL=index.js.map