@lx-frontend/multi-track/dist/helper/Concurrent.js

sls 日志上传功能，当前支持小程序、web

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Concurrent = void 0;
/**
 * @example 并发控制类
 *
 * const concurrent = new Concurrent(3); // 3个并发
 *
 * // 模拟10个异步任务
 * for (let i = 0; i < 10; i++) {
 *   concurrent.append(() => {
 *     return new Promise((resolve) => {
 *       console.log(`开始任务 ${i}`)
 *       setTimeout(() => {
 *         console.log(`结束任务 ${i}`)
 *         resolve(true)
 *       }, 1000)
 *     })
 *   })
 * }
 *
 */
var Concurrent = /** @class */ (function () {
    function Concurrent(total) {
        this.total = total;
        this.count = 0;
        this.peddings = [];
    }
    Concurrent.prototype.append = function (fn) {
        this.peddings.push(fn);
        this.run();
    };
    Concurrent.prototype.run = function () {
        var _this = this;
        if (!this.peddings.length) {
            return;
        }
        if (this.count >= this.total) {
            return;
        }
        var fn = this.peddings.shift();
        if (!fn) {
            return;
        }
        this.count++;
        fn().finally(function () {
            _this.count--;
            _this.run();
        });
    };
    return Concurrent;
}());
exports.Concurrent = Concurrent;
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