Function parseCapsArray

lib/basedriver/helpers.js:410–428

* Takes a desired capability and tries to JSON.parse it as an array, * and either returns the parsed array or a singleton array. * * @param {string|Array } cap A desired capability

(cap)

 * @param {string|Array<String>} cap A desired capability
 */
function parseCapsArray (cap) {
  if (_.isArray(cap)) {
    return cap;
  }

  let parsedCaps;
  try {
    parsedCaps = JSON.parse(cap);
    if (_.isArray(parsedCaps)) {
      return parsedCaps;
    }
  } catch (ign) {
    logger.warn(`Failed to parse capability as JSON array`);
  }
  if (_.isString(cap)) {
    return [cap];
  }
  throw new Error(`must provide a string or JSON Array; received ${cap}`);
}

export {
  configureApp, isPackageOrBundle, duplicateKeys, parseCapsArray