export function removeTrailingSlash(str: string): string {
  return str.endsWith('/') ? str.substring(0, str.length - 1) : str;
}

export function removeLeadingSlash(str: string): string {
  return str.startsWith('/') ? str.substring(1) : str;
}

export function optionallyAddLeadingSlash(str: string): string {
  return str.startsWith('/') ? str : '/' + str;
}