@atlaskit/editor-plugin-synced-block/dist/es2019/pm-plugins/utils/selection-decorations.js

SyncedBlock plugin for @atlaskit/editor-core

import { BodiedSyncBlockSharedCssClassName } from '@atlaskit/editor-common/sync-block';
import { findParentNodeOfType } from '@atlaskit/editor-prosemirror/utils';
import { Decoration, DecorationSet } from '@atlaskit/editor-prosemirror/view';
export const calculateDecorations = (doc, selection, schema) => {
  const {
    bodiedSyncBlock
  } = schema.nodes;
  const syncBlockParent = findParentNodeOfType(bodiedSyncBlock)(selection);
  if (syncBlockParent) {
    const {
      node,
      pos
    } = syncBlockParent;
    const decoration = Decoration.node(pos, pos + node.nodeSize, {
      class: `${BodiedSyncBlockSharedCssClassName.selectionInside}`
    });
    return DecorationSet.create(doc, [decoration]);
  }
  return DecorationSet.empty;
};