electron-rpc-async-queue/dist/AsyncQueue.js

Async queue implementation for Electron RPC

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Task_1 = require("./Task");
const TaskEventType_1 = require("./TaskEventType");
/** Queue structure */
class AsyncQueue {
    constructor() {
        /** Tasks queue array */
        this.queue = [];
    }
    /** Add element to queue */
    async push(body, ...args) {
        const task = new Task_1.Task(body, ...args);
        const promise = new Promise(resolve => task.on(TaskEventType_1.TaskEventType.END, (error, result) => {
            this.queue.shift();
            resolve({ error, result, args });
        }));
        this.queue.push(task);
        if (this.queue.length > 1) {
            const TASK_INDEX = this.queue.length - 1;
            const PREV_TASK_INDEX = TASK_INDEX - 1;
            const prevTask = this.queue[PREV_TASK_INDEX];
            prevTask.on(TaskEventType_1.TaskEventType.END, () => {
                task.run();
            });
        }
        else {
            task.run();
        }
        return await promise;
    }
}
exports.AsyncQueue = AsyncQueue;