Export GitHub labels

export-github-labels.js

// Export GitHub labels
function componentFromStr(numStr, percent) {
    var num = Math.max(0, parseInt(numStr, 10));
    return percent ?
        Math.floor(255 * Math.min(100, num) / 100) : Math.min(255, num);
}

function rgbToHex(rgb) {
    var rgbRegex = /^rgb\(\s*(-?\d+)(%?)\s*,\s*(-?\d+)(%?)\s*,\s*(-?\d+)(%?)\s*\)$/;
    var result, r, g, b, hex = "";
    if ( (result = rgbRegex.exec(rgb)) ) {
        r = componentFromStr(result[1], result[2]);
        g = componentFromStr(result[3], result[4]);
        b = componentFromStr(result[5], result[6]);

        hex = "" + (0x1000000 + (r << 16) + (g << 8) + b).toString(16).slice(1);
    }
    return hex;
}

var labels = [];
[].slice.call(document.querySelectorAll(".js-label-link"))
.forEach(function(element) {
  labels.push({
    name: element.textContent.trim(),
    description: element.closest('.js-labels-list-item')
                         .querySelector('.js-hide-on-label-edit')
                         .textContent.trim(),
    color: rgbToHex(getComputedStyle(element).backgroundColor)
  })
})
copy(JSON.stringify(labels, null, 2))