final-countdown/jobs/index.js

const defs = [
    require("./setup"),
    require("./heartbeat")
]

class Job {
    constructor({ jobName, timeout, interval }) {
        this.name = jobName
        this.timeout = timeout
        this.interval = interval
    }
}

class JobFactory {
    constructor() {
        this.jobs = []
        this.addJobsFromDefs({ defs })
    }
    /**
     * Force using of Job objects for validating
     */
    createJob({ jobName, timeout, interval }) {
        return new Job({ jobName, timeout, interval })
    }
    /**
     * Only store the job if it is
     * a valid Job instance
     */
    addJobFromDef(jobDef) {
        const job = this.createJob(jobDef)
        if (job) {
            this.jobs.push(job)
        }
    }
    /**
     * Take in job definitions from accompanying
     * job files. Job files must include and
     * execute a jobRun()
     */
    addJobsFromDefs({ defs }) {
        defs.forEach(def => this.addJobFromDef(def))
    }
}

const jobFactory = new JobFactory()
module.exports = jobFactory