d2-ui/node_modules-react-15/draft-js/lib/DraftOffsetKey.js

d2-ui

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule DraftOffsetKey
 * 
 */

'use strict';

var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();

var KEY_DELIMITER = '-';

var DraftOffsetKey = {
  encode: function encode(blockKey, decoratorKey, leafKey) {
    return blockKey + KEY_DELIMITER + decoratorKey + KEY_DELIMITER + leafKey;
  },

  decode: function decode(offsetKey) {
    var _offsetKey$split = offsetKey.split(KEY_DELIMITER);

    var _offsetKey$split2 = _slicedToArray(_offsetKey$split, 3);

    var blockKey = _offsetKey$split2[0];
    var decoratorKey = _offsetKey$split2[1];
    var leafKey = _offsetKey$split2[2];

    return {
      blockKey: blockKey,
      decoratorKey: parseInt(decoratorKey, 10),
      leafKey: parseInt(leafKey, 10)
    };
  }
};

module.exports = DraftOffsetKey;