index.js

const HTTPS = require('https');

function timestamp() {
    let now = new Date();
    let hour = now.getHours();
    let minute = now.getMinutes();
    let stringHour = hour > 9? hour: `0${hour}`;
    let stringMinute = minute > 9? minute: `0${minute}`;
    return `[${stringHour}:${stringMinute}]`;
}

function Webhook(url) {
    let options = {
        hostname: 'discord.com',
        port: 443,
        path: url.replace("https://discord.com", ""),
        method: 'POST',
        headers: {
            "Content-Type": "application/json"
        }
    }
    return (message) => {
        const request = HTTPS.request(options, response => {
            response.on("data", responseData => process.stdout.write(responseData))
        })

        request.on("error", error => process.stdout.write(error))
        request.write(JSON.stringify({ content: message }));
        request.end();
    }
}

/**
 * Wrap Console Functions
 * @param {string} [appName] Identifer to use in the logs
 * @param {string} [webhookURL] The URL for the Webhook
 * @return {void} `void`
 */
function DiscordLogger(appName, webhookURL){
    let webhook = webhookURL? Webhook(webhookURL): null;

    let builtins = {
        log: console.log,
        warn: console.warn, 
        error: console.error
    }

    for (let printFunction in builtins) {
        console[printFunction] = function() {
            let prefix = timestamp() + (appName? `[${appName}]`: '') + `[${printFunction.toUpperCase()}]`;
            builtins[printFunction].apply(console, [prefix, ...arguments]);
            if (webhook) {
                let message = [...arguments].reduce((accumulator, current) => {
                    return accumulator + current.toString() + "      ";
                }, "").trim();

                webhook(`\`${prefix} ${message}\``);
            }
        }
    }
}

module.exports = DiscordLogger;