A memory game on your terminal.

sh1ttyg4me.js

const fs = require("fs");

const memoryGame = () => {
    class util {
        static readNum() {
            let buffer = Buffer.alloc(4);
            buffer.fill(0);
            fs.readSync(0 /*stdin*/, buffer, 0, 4);
            return buffer[0] % 48; //( ͡° ͜ʖ ͡°)
        }
    }

    const data = {
        seq: [],
        points: 0
    }

    const game = () => {
        const NO_NUMB = 15;
        const timer = ms => new Promise(res => setTimeout(res, ms));
        const step = async () => {
            await timer(5 * 1000);
        }

        const roll = () => {
            let no = Math.floor(Math.random() * 5) + 1;
            data.seq = [...data.seq, no];
            return no;
        }

        const reset = () => {
            data.points = 0;
            data.seq = [];
            console.log("Game over, wanna try again? (Yes: 1, No: 0)");
            let no = util.readNum();
            if(no !== 1) process.exit();
        }

        const match = (num) => {
            let pts = data.points;
            if(data.seq[pts] === num) {
                data.points = ++pts;
                return true
            };
            reset();
            return false;
        }

        async function loop() {
            for(let i = 0; i < NO_NUMB; i++) roll();

            console.log("You have 5 seconds to memorize this sequence:");
            console.log(data.seq);
            await step();
            console.clear();

            console.log("Type here the sequence:");
            for(let i = 0; i < data.seq.length; i++) {
                if(!match(util.readNum())){
                    console.clear();
                    return;
                }
            }
        }

        return loop;
    }

    (async () => {
        while(true) {
            let loop = game();
            await loop();
        }
    })();
}

memoryGame();