react-lz-editor/editor/utils/stateUtils/selectionContainsEntity.js

An open source react rich-text editor (mordern react editor includes media support such as texts, images, videos, audios, links etc.), development based on Draft-Js and Ant-design, good support html, markdown, draft-raw mode.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _getSelectedBlocks = require('./getSelectedBlocks');

var _getSelectedBlocks2 = _interopRequireDefault(_getSelectedBlocks);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = function (strategy) {
  return function (editorState, selection) {
    var contentState = editorState.getCurrentContent();
    var currentSelection = selection || editorState.getSelection();
    var startKey = currentSelection.getStartKey();
    var endKey = currentSelection.getEndKey();
    var startOffset = currentSelection.getStartOffset();
    var endOffset = currentSelection.getEndOffset();

    var isSameBlock = startKey === endKey;
    var selectedBlocks = (0, _getSelectedBlocks2.default)(contentState, startKey, endKey);
    var entityFound = false;

    var finalStartOffset = startOffset + 1;
    var finalEndOffset = endOffset - 1;

    selectedBlocks.forEach(function (block) {
      strategy(block, function (start, end) {
        if (entityFound) {
          return;
        }

        var blockKey = block.getKey();

        if (isSameBlock && (end < finalStartOffset || start > finalEndOffset)) {
          return;
        } else if (blockKey === startKey && end < finalStartOffset) {
          return;
        } else if (blockKey === endKey && start > finalEndOffset) {
          return;
        }

        entityFound = true;
      });
    });

    return entityFound;
  };
};