Export / Import GitHub tags (browser script)

paste-me-in-the-console.js

function rgbToHex(color) {
  const [ r, g, b ] = color.substring(4, color.length - 1).split(', ');

  return '#' + [ r, g, b ].map(x => {
    const hex = parseInt(x).toString(16);

    return hex.length === 1 ? '0' + hex : hex
  }).join('');
}


function exportLabels() {
  const items = [].slice.call(document.querySelectorAll('.js-label-list .js-labels-list-item'));
  const labels = items.map(element => {
    const tag = element.querySelector('.js-label-link');
    const description = element.querySelector('.label-description');

    return {
      color: rgbToHex(tag.style.backgroundColor),
      text: tag.innerText,
      description: description.innerText
    }
  });

  copy(JSON.stringify(labels));

  console.log('✅ Copied to clipboard as JSON')
}

function importLabels(json) {
  const newLabelButton = document.querySelector('.js-details-target-new-label')

  const tasks = JSON.parse(json).map(({ color, text, description }) => () => {
    !document.querySelector('.labels-list.js-details-container.open') && newLabelButton.click();

    const textInput = document.querySelector('.js-new-label-name-input');
    const descriptionInput = document.querySelector('.js-new-label-description-input');
    const colorInput = document.querySelector('.js-new-label-color-input');
    const submitButton = document.querySelector('.js-label-form button[type="submit"]');

    textInput.value = text;
    descriptionInput.value = description;
    colorInput.value = color;

    submitButton.removeAttribute('disabled');
    submitButton.click();
  });

   tasks.forEach((task, i) => setTimeout(task, i * 150));
}