adventofcode/2022/05/part2.js

import * as R from "remeda";

import { parseLines, spy } from "./part1.js";

function moveStacks([stacks, commands]) {
  for (let [move, from, to] of commands) {
    console.log({ move, from, to });

    stacks[to - 1].push(
      ...stacks[from - 1].splice(stacks[from - 1].length - move)
    );
  }

  return stacks;
}

export default R.createPipe(
  (text) => text.split("\n\n"),
  parseLines,
  moveStacks,
  spy,
  R.map((x) => x.pop()),
  (x) => x.join("")
);