MediaWiki:Gadget-Geo.js

/**
 * SPDX-License-Identifier: GPL-2.0-or-later
 * _addText: '{{Gadget Header|license=GPLv2+}}'
 *
 * @source <https://git.qiuwen.net.cn/InterfaceAdmin/Gadgets/src/branch/master/src/Gadgets/GeoJS>
 * @dependency mediawiki.storage
 */
/**
 * +--------------------------------------------------------+
 * |         === WARNING: GLOBAL GADGET FILE ===            |
 * +--------------------------------------------------------+
 * |      All changes should be made in the repository,     |
 * |              otherwise they will be lost.              |
 * +--------------------------------------------------------+
 * |      Changes to this page may affect many users.       |
 * |  Please discuss changes at talk page before editing.   |
 * +--------------------------------------------------------+
 */
/* <nowiki> */
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(function geoJS() {
  var storageItemName = 'GeoIP';
  var defaultGeoInfo = {
    country: '',
    region: '',
    city: ''
  };
  /**
   * Parse geo data in storageValue and return an object with properties from
   * the fields therein. Returns null if the value couldn't be parsed or
   * doesn't contain location data.
   *
   * The storage item will look like one of the following:
   * - "CN-SH-Shanghai"
   * - "CN-SH-"
   * - "CN--"
   * - "--"
   *
   * @param {string} storageValue
   * @return {GeoInfo}
   */
  var parseStorageValue = function parseStorageValue(storageValue) {
    var _matches$, _matches$2;
    // TODO Verify that these Regexes are optimal. (Why no anchors? Why the
    // semicolon in the last group?)
    // Parse storage item
    var matches = storageValue.match(/([^-]*)-([^-]*)-([^-]*)/);
    // No matches...? Boo, no data.
    if (!matches) {
      return defaultGeoInfo;
    }
    // There was no info found if there's no country field, or if it's
    // empty
    if (typeof matches[1] !== 'string' || !matches[1].length) {
      return defaultGeoInfo;
    }
    // Return a juicy Geo object
    return {
      country: matches[1],
      region: (_matches$ = matches[2]) !== null && _matches$ !== void 0 ? _matches$ : '',
      city: (_matches$2 = matches[3]) !== null && _matches$2 !== void 0 ? _matches$2 : ''
    };
  };
  /**
   * Request geo data and store it in the local storage
   */
  var storeGeoInStorage = /*#__PURE__*/function () {
    var _ref = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
      var response, data, parts, storageValue;
      return _regeneratorRuntime().wrap(function _callee$(_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            _context.prev = 0;
            _context.next = 3;
            return fetch('https://geo.qiuwen.net.cn');
          case 3:
            response = _context.sent;
            _context.next = 6;
            return response.json();
          case 6:
            data = _context.sent;
            parts = [data.country, data.region, data.city];
            storageValue = parts.join('-');
            mw.storage.set(storageItemName, storageValue, 3600); // 1 hour
            // Return Geo object
            return _context.abrupt("return", parseStorageValue(storageValue));
          case 13:
            _context.prev = 13;
            _context.t0 = _context["catch"](0);
            return _context.abrupt("return", defaultGeoInfo);
          case 16:
          case "end":
            return _context.stop();
        }
      }, _callee, null, [[0, 13]]);
    }));
    return function storeGeoInStorage() {
      return _ref.apply(this, arguments);
    };
  }();
  window.geo = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
    return _regeneratorRuntime().wrap(function _callee2$(_context2) {
      while (1) switch (_context2.prev = _context2.next) {
        case 0:
          _context2.next = 2;
          return storeGeoInStorage();
        case 2:
          return _context2.abrupt("return", _context2.sent);
        case 3:
        case "end":
          return _context2.stop();
      }
    }, _callee2);
  }));
})();
/* </nowiki> */