@alexaegis/advent-of-code-lib/present-in-all.function-taI_yao_.js

Advent of Code Library

const mapMatrix = (matrix, mapFn) => {
  const result = [];
  for (const row of matrix) {
    result.push(row.map(mapFn));
  }
  return result;
};
const presentInAll = (arrays) => {
  const rest = arrays.slice(1);
  return arrays[0]?.filter((item) => rest.every((restItems) => restItems.includes(item))) ?? [];
};
export {
  mapMatrix as m,
  presentInAll as p
};