cf-workers-query/src/lib/durable-object-deduper.cjs

Automatically cache and revalidate data in Cloudflare Workers. Using the Cache API and Execution Context

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/lib/durable-object-deduper.ts
var durable_object_deduper_exports = {};
__export(durable_object_deduper_exports, {
  QueryDeduper: () => QueryDeduper
});
module.exports = __toCommonJS(durable_object_deduper_exports);
var import_cloudflare_workers = require("cloudflare:workers");
var QueryDeduper = class extends import_cloudflare_workers.DurableObject {
  static {
    __name(this, "QueryDeduper");
  }
  inflight = /* @__PURE__ */ new Map();
  async dedupe(request) {
    const key = new URL(request.url).searchParams.get("key");
    if (!key) {
      return new Response('Missing "key" query parameter', {
        status: 400
      });
    }
    const existing = this.inflight.get(key);
    if (existing) return existing;
    const promise = this.executeQuery(request).finally(() => {
      this.inflight.delete(key);
    });
    this.inflight.set(key, promise);
    return promise;
  }
  async executeQuery(request) {
    const body = await request.json();
    return fetch(body.url, body.init);
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  QueryDeduper
});