AoC 2022 day 10

const fs = require('fs');
const eol = require('os').EOL;

const startTime = new Date().getTime();
let part1 = part2 = 0;
let input = fs.readFileSync(__dirname + "/data.txt", 'utf8').split(eol).map(a => a.split(" ")).reverse();

let wait = false;
let cycle = spritePos = 1;
let cmd, val;
let pixel = 0;
let lines = '';

while (input.length || wait) {
    if (!wait && input.length)[cmd, val] = input.pop();
    if (cycle % 40 == 20) {
        part1 += spritePos * cycle;
    }
    Math.abs(spritePos - pixel) <= 1 ? lines += "#" : lines += "."
    if (++pixel == 40) {
        pixel = 0;
        lines += "\n"
    }
    if (wait) {
        spritePos += +val;
        wait = false
    } else if (cmd == "addx") wait = true;
    cycle++;
}
console.log(lines);
let time = new Date().getTime() - startTime
console.log(`Part 1: ${part1}\nPart 2: ${part2}\nTimer: ${time} ms`);