@azure/event-hubs/dist/commonjs/impl/awaitableQueue.js

Azure Event Hubs SDK for JS.

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 awaitableQueue_exports = {};
__export(awaitableQueue_exports, {
  AwaitableQueue: () => AwaitableQueue
});
module.exports = __toCommonJS(awaitableQueue_exports);
var import_core_util = require("@azure/core-util");
class AwaitableQueue {
  _items;
  _resolvers = [];
  constructor() {
    this._items = [];
  }
  size() {
    return this._items.length;
  }
  /**
   * Returns a Promise that will resolve with the next item in the queue.
   */
  shift(options) {
    const item = this._items.shift();
    if (typeof item !== "undefined") {
      return Promise.resolve(item);
    }
    return (0, import_core_util.createAbortablePromise)((resolve) => this._resolvers.push(resolve), {
      ...options,
      cleanupBeforeAbort: () => this._resolvers.pop()
    });
  }
  /**
   * Appends new item to the queue.
   */
  push(item) {
    if (!this._resolveNextItem(item)) {
      this._items.push(item);
    }
  }
  _resolveNextItem(item) {
    const resolver = this._resolvers.shift();
    if (!resolver) {
      return false;
    }
    resolver(item);
    return true;
  }
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  AwaitableQueue
});
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