@atlaskit/atlassian-navigation/dist/cjs/theme/convert-hex-shorthand.js

A horizontal navigation component for Atlassian apps.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.convertHexShorthand = void 0;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var hex = '[a-z0-9]';
var shortHandHexColorPattern = new RegExp("#(".concat(hex, ")(").concat(hex, ")(").concat(hex, ")"), 'i');
var repeat = function repeat(str, times) {
  return (0, _toConsumableArray2.default)(Array(times)).map(function () {
    return str;
  }).join('');
};
var isShortHexColor = function isShortHexColor(color) {
  return color && color.length === 4;
};
var completeHexColor = function completeHexColor(colors) {
  var hex = colors.map(function (color) {
    return repeat(color, 2);
  }).join('');
  return "#".concat(hex);
};
var completeTriplet = function completeTriplet(colors) {
  return "#".concat(repeat(colors[1], 6));
};
var isTriplet = function isTriplet(colors) {
  return colors[0] === colors[1] && colors[1] === colors[2];
};
var convertHexShorthand = exports.convertHexShorthand = function convertHexShorthand(color) {
  if (isShortHexColor(color)) {
    // when color = '#ccc', matches is structured as ['#ccc', 'c', 'c', 'c', ...]
    var matches = color.match(shortHandHexColorPattern);
    if (matches) {
      var colors = matches.slice(1, 4);
      if (isTriplet(colors)) {
        return completeTriplet(colors);
      } else {
        return completeHexColor(colors);
      }
    }
  }

  // return the color as is when it's not hex color shorthand
  return color;
};