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backend/node_modules/hono/dist/cjs/utils/concurrent.js

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+"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 concurrent_exports = {};
+__export(concurrent_exports, {
+  createPool: () => createPool
+});
+module.exports = __toCommonJS(concurrent_exports);
+const DEFAULT_CONCURRENCY = 1024;
+const createPool = ({
+  concurrency,
+  interval
+} = {}) => {
+  concurrency ||= DEFAULT_CONCURRENCY;
+  if (concurrency === Infinity) {
+    return {
+      run: async (fn) => fn()
+    };
+  }
+  const pool = /* @__PURE__ */ new Set();
+  const run = async (fn, promise, resolve) => {
+    if (pool.size >= concurrency) {
+      promise ||= new Promise((r) => resolve = r);
+      setTimeout(() => run(fn, promise, resolve));
+      return promise;
+    }
+    const marker = {};
+    pool.add(marker);
+    const result = await fn();
+    if (interval) {
+      setTimeout(() => pool.delete(marker), interval);
+    } else {
+      pool.delete(marker);
+    }
+    if (resolve) {
+      resolve(result);
+      return promise;
+    } else {
+      return result;
+    }
+  };
+  return { run };
+};
+// Annotate the CommonJS export names for ESM import in node:
+0 && (module.exports = {
+  createPool
+});