@atlaskit/editor-common/dist/es2019/core-utils/inside.js

A package that contains common classes and components for editor and renderer

import { hasParentNodeOfType } from '@atlaskit/editor-prosemirror/utils';
export const insideTable = state => {
  const {
    table,
    tableCell
  } = state.schema.nodes;
  return hasParentNodeOfType([table, tableCell])(state.selection);
};