@eeacms/volto-block-style/src/helpers.js

volto-block-style: Volto add-on

import isArray from 'lodash/isArray';
import isObject from 'lodash/isObject';
import isString from 'lodash/isString';
import { isInternalURL, flattenToAppURL } from '@plone/volto/helpers';

export const getFieldURL = (data) => {
  let url = data;
  const _isObject = data && isObject(data) && !isArray(data);
  if (_isObject && data['@type'] === 'URL') {
    url = data['value'] ?? data['url'] ?? data['href'] ?? data;
  } else if (_isObject) {
    url = data['@id'] ?? data['url'] ?? data['href'] ?? data;
  }
  if (isArray(data)) {
    url = data.map((item) => getFieldURL(item));
  }
  if (isString(url) && isInternalURL(url)) return flattenToAppURL(url);
  return url;
};