@tai-kun/surrealdb/dist/utils/mutex.cjs

The SurrealDB SDK for JavaScript

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
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);

// src/utils/mutex.ts
var mutex_exports = {};
__export(mutex_exports, {
  default: () => mutex
});
module.exports = __toCommonJS(mutex_exports);
var import_errors = require("../errors/index.cjs");
var MUTEX_QUEUE = /* @__PURE__ */ Symbol();
function mutex(method, context) {
  if (context && typeof context === "object" && typeof context.addInitializer !== "function") {
    throw new import_errors.UnsupportedRuntimeError("Requires Stage 3 decorator support.");
  }
  context.addInitializer(function() {
    if (!this[MUTEX_QUEUE]) {
      Object.defineProperty(this, MUTEX_QUEUE, { value: [] });
    }
  });
  return /* @__PURE__ */ __name(function mutexWrapper(...args) {
    let queue = this[MUTEX_QUEUE], promise, resolve, dequeue = /* @__PURE__ */ __name(() => queue.shift()?.(), "dequeue");
    if (queue.length) {
      promise = new Promise((arg0) => {
        resolve = arg0;
      });
      queue.push(resolve);
    } else {
      promise = Promise.resolve();
      queue.push(dequeue);
    }
    return promise.then(() => method.apply(this, args)).finally(dequeue);
  }, "mutexWrapper");
}
__name(mutex, "mutex");
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