@atlaskit/editor-plugin-synced-block/dist/es2019/pm-plugins/createReferenceSelectionView.js

SyncedBlock plugin for @atlaskit/editor-core

import { bind } from 'bind-event-listener';
import { SyncBlockSharedCssClassName } from '@atlaskit/editor-common/sync-block';
import { NodeSelection } from '@atlaskit/editor-prosemirror/state';
const getSelectedReference = view => {
  const selection = view.dom.ownerDocument.getSelection();
  const anchor = selection === null || selection === void 0 ? void 0 : selection.anchorNode;
  const anchorElement = anchor instanceof Element ? anchor : anchor === null || anchor === void 0 ? void 0 : anchor.parentElement;
  const renderer = anchorElement === null || anchorElement === void 0 ? void 0 : anchorElement.closest(`.${SyncBlockSharedCssClassName.renderer}`);
  if (!renderer || !(selection !== null && selection !== void 0 && selection.focusNode) || !renderer.contains(selection.focusNode)) {
    return null;
  }
  const reference = renderer.closest(`.${SyncBlockSharedCssClassName.prefix}`);
  return reference && view.dom.contains(reference) ? reference : null;
};
export const createReferenceSelectionView = view => {
  const syncReferenceSelection = () => {
    var _doc$nodeAt;
    if (!view.editable) {
      return;
    }
    const reference = getSelectedReference(view);
    if (!reference) {
      return;
    }
    const pos = view.posAtDOM(reference, 0);
    const {
      doc,
      schema,
      selection
    } = view.state;
    if (((_doc$nodeAt = doc.nodeAt(pos)) === null || _doc$nodeAt === void 0 ? void 0 : _doc$nodeAt.type) !== schema.nodes.syncBlock || selection instanceof NodeSelection && selection.from === pos) {
      return;
    }
    // The selectable renderer owns native focus, so PM's observer ignores its selection.
    // Track the containing atom without focusing the editor or clearing highlighted text.
    view.dispatch(view.state.tr.setSelection(NodeSelection.create(doc, pos)));
  };
  const unbind = bind(view.dom.ownerDocument, {
    type: 'selectionchange',
    listener: syncReferenceSelection
  });
  return {
    destroy: unbind
  };
};