63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var concurrent_exports = {};
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__export(concurrent_exports, {
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createPool: () => createPool
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});
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module.exports = __toCommonJS(concurrent_exports);
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const DEFAULT_CONCURRENCY = 1024;
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const createPool = ({
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concurrency,
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interval
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} = {}) => {
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concurrency ||= DEFAULT_CONCURRENCY;
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if (concurrency === Infinity) {
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return {
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run: async (fn) => fn()
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};
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}
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const pool = /* @__PURE__ */ new Set();
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const run = async (fn, promise, resolve) => {
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if (pool.size >= concurrency) {
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promise ||= new Promise((r) => resolve = r);
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setTimeout(() => run(fn, promise, resolve));
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return promise;
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}
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const marker = {};
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pool.add(marker);
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const result = await fn();
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if (interval) {
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setTimeout(() => pool.delete(marker), interval);
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} else {
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pool.delete(marker);
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}
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if (resolve) {
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resolve(result);
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return promise;
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} else {
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return result;
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}
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};
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return { run };
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};
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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createPool
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});
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