express-post-task-scheduler/dist/cjs/src/scheduler.js

A lightweight npm package to create and manage scheduled tasks using Express middleware. Configure tasks via POST requests and execute them at specified times seamlessly.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.scheduleTask = scheduleTask;
const node_schedule_1 = __importDefault(require("node-schedule"));
const scheduleJobs_1 = require("./scheduleJobs");
const db_1 = require("./utils/db");
const logger_1 = require("./utils/logger");
/**
 * Schedule a task and wait for executing, return the job
 * @param date the date time to start task
 * @param data array with the params for task, for example: [{ id:1, value:1 }, { id:2, value:2 }, { id:3, value:3 }]
 * @param executor the callback function to execute, for example: (index: number) => { console.log(index) }
 */
function scheduleTask(date, data, executor, taskId) {
    const job = node_schedule_1.default.scheduleJob(date, async () => {
        const db = db_1.DB.init();
        await db.startTask(taskId);
        for (const { id: itemId, value: itemValue } of data) {
            try {
                await executor(itemValue);
                await db.markItemSuccessful(taskId, itemId, JSON.stringify(itemValue));
            }
            catch (e) {
                logger_1.logger.error(e?.message);
                await db.markItemFailed(taskId, itemId, JSON.stringify(itemValue), e?.message || "unknown error");
            }
        }
        await db.finishTask(taskId);
    });
    scheduleJobs_1.ScheduleJobs.appendJob(taskId, job, executor);
}