MediaWiki:Common.js

(function () {

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var $ = function $(x) {
  return document.querySelector(x);
};
var $$ = function $$(x) {
  return document.querySelectorAll(x);
};
var tagline = $('[data-footer-tagline]');
if (tagline !== undefined) {
  prepareTagline();
} else {
  window.addEventListener('load', function () {
    return prepareTagline();
  });
}
function prepareTagline() {
  var _tagline;
  (_tagline = tagline) !== null && _tagline !== void 0 ? _tagline : tagline = $('[data-footer-tagline]');
  tagline.addEventListener('click', function () {
    return handleTagline();
  });
  handleTagline();
}
function handleTagline() {
  if (tagline === undefined) {
    return;
  }
  var optChs = _toConsumableArray(tagline.dataset.footerTagline);
  var opts = [];
  var opt = null;
  while (optChs.length > 0) {
    var _opt;
    var ch = optChs.shift();
    if (ch === '\\') {
      ch = optChs.shift();
    } else if (ch === ';') {
      opts.push(opt);
      opt = null;
      continue;
    }
    (_opt = opt) !== null && _opt !== void 0 ? _opt : opt = '';
    opt += ch;
  }
  if (opt !== null) {
    var _opt2;
    opts.push((_opt2 = opt) !== null && _opt2 !== void 0 ? _opt2 : '');
  }
  opts = opts.map(function (i) {
    return i.trim();
  }).filter(function (i) {
    return i !== '';
  });
  var oldOpts = opts;
  opts = opts.filter(function (i) {
    return tagline.textContent !== i;
  });
  if (opts.length === 0) {
    if (oldOpts.length === 0) {
      console.warn('No footer tagline options specified');
    } else {
      console.warn('All footer tagline options are identical');
    }
    return;
  }
  var chosen = opts[Math.floor(Math.random() * opts.length)];
  tagline.textContent = chosen;
}

})()