channel-ts/lib/mutex_run.js

Channels implemented in Typescript using async/await

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const _1 = require(".");
const delay = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
const main = async () => {
    const mutex = new _1.Mutex();
    const task1 = async () => {
        console.log("task 1: going to start");
        const guard = await mutex.acquire();
        console.log("task 1: mutex acquired");
        await delay(2000);
        console.log("task 1: finished");
        guard.release();
        console.log("task 1: mutex released");
    };
    const task2 = async () => {
        await delay(200);
        console.log("task 2: going to start");
        const guard = await mutex.acquire();
        console.log("task 2: mutex acquired");
        await delay(1500);
        console.log("task 2: finished");
        guard.release();
        console.log("task 2: mutex released");
    };
    const task3 = async () => {
        await delay(400);
        console.log("task 3: going to start");
        const guard = await mutex.acquire();
        console.log("task 3: mutex acquired");
        await delay(1800);
        console.log("task 3: finished");
        guard.release();
        console.log("task 3: mutex released");
    };
    await Promise.all([task1(), task2(), task3()]);
};
main();