Gerador de Cores e Imagem para placeholder

dummyimage.ts

const a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'A', 'B', 'C', 'D', 'E', 'F'];

const genCol = (length = 6) => {
  let text = '';

  if (length > 1) {
    for (let i = 0; i < length; i++) {
      text += `${a[Math.floor(Math.random() * 15)]}`;
    }
  }

  return text;
};

const genImg = () =>
  `https://dummyimage.com/${200 + Math.floor(Math.random() * 200 + 1)}x${
    200 + Math.floor(Math.random() * 200 + 1)
  }/${genCol()}/${genCol()}`;