awake-heroku/dist/services/awake.js

A package help your heroku app is always runs

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const https_1 = __importDefault(require("https"));
const constants_1 = require("../utils/constants");
const data_1 = __importDefault(require("./data"));
class AwakeService {
    start() {
        this.interval = setInterval(async () => {
            const apps = data_1.default.getAll();
            if (apps.length <= 0) {
                return;
            }
            for (const app of apps) {
                if (app.lastHeartBeat &&
                    Date.now() - app.lastHeartBeat >= constants_1.DEFAULT_HEARTBEAT) {
                    console.info(`Wakeup app : [${app.id}]: ${app.url}`);
                    try {
                        await https_1.default.get(app.url);
                    }
                    catch (e) {
                        // Should ignore error here
                    }
                    app.lastHeartBeat = Date.now();
                    data_1.default.update(app);
                }
            }
        }, constants_1.DEFAULT_HEARTBEAT);
    }
    stop() {
        clearInterval(this.interval);
    }
}
exports.default = new AwakeService();