Fetch with retry

recursive-fetch-with-retry.js

const fetch = require('node-fetch');
const MAX_RETRIES = 5

const fetchWithRetry = (origResolve, origReject, attemptCount) => {
    attemptCount = attemptCount ? attemptCount : 0
    const url = process.argv[2]
    if(!url){
        console.log('no url passed in')
        return
    }
    return new Promise( (resolve, reject) => {

        attemptCount++
        console.log(`attempt ${attemptCount}`)
        if(attemptCount > MAX_RETRIES) {
            reject('max retries exceeded')
        } else {
            // The resolve and reject function references will be passed down the call stack.
            resolve = (origResolve) ? origResolve : resolve
            reject = (origReject) ? origReject : reject


            fetch(url, {method: 'get'}).then( (result) => {
                console.log('success')
                resolve()
            }).catch( (error) => {
                console.log(error)
                fetchWithRetry(resolve, reject, attemptCount)
            })
        }
    })
}

fetchWithRetry()