Function formatQueryString

packages/cli/src/util/dev/parse-query-string.ts:39–59

(
  query: Record<string, string[]> | undefined
)

 * @param query - The query object to stringify.
 */
export function formatQueryString(
  query: Record<string, string[]> | undefined
): string | null {
  if (!query) {
    return null;
  }
  let s = '';
  let prefix = '?';
  for (const [key, values] of Object.entries(query)) {
    for (const value of values) {
      s += prefix;
      s += encodeURIComponent(key);
      if (value !== undefined) {
        s += '=';
        s += encodeURIComponent(value);
      }
      prefix = '&';
    }
  }
  return s || null;
}