@atlaskit/renderer/dist/es2019/text/nodes/unknown.js

Renderer component

import { getText } from '../../utils';
import { reduce } from './';
const unknown = (node, schema) => {
  const result = [];
  node.forEach(n => {
    result.push(reduce(n, schema));
  });
  if (result.length > 0) {
    return result.join('');
  }
  return getText(node);
};
export default unknown;