Function removeParamsFromSearch

src/url.js:477–485

(urlSearch, paramName)

 * @return {string}
 */
export function removeParamsFromSearch(urlSearch, paramName) {
  // TODO: Accept paramNames as an array.
  if (!urlSearch || urlSearch == '?') {
    return '';
  }
  const paramRegex = new RegExp(`[?&]${paramName}\\b[^&]*`, 'g');
  const search = urlSearch.replace(paramRegex, '').replace(/^[?&]/, '');
  return search ? '?' + search : '';
}

/**
 * Returns the source URL of an AMP document for documents served