Function parseLocation

services/isbn/cbl.js:52–62

* Parse separated city and state strings into a full * location if both are valid and non-null. * * @param {string} city The city where the book was published. * @param {string} state The state where the book was published. * @returns The full location string.

(city, state)

 * @returns The full location string.
 */
function parseLocation(city, state) {
  if (!city || !state) {
    return null;
  }

  if (city.length === 0 || state.length === 0) {
    return null;
  }

  return `${city}, ${state}`;
}

/**
 * Search for book details into the CBL database.