Function checkOptions

javascript/selenium-webdriver/index.js:756–766

* In the 3.x releases, the various browser option classes * (e.g. firefox.Options) had to be manually set as an option using the * Capabilities class: * * let ffo = new firefox.Options(); * // Configure firefox options... * * let caps = new Capabilities(); * caps.set('moz:fir

(caps, key, optionType, setMethod)

 * @throws {error.InvalidArgumentError}
 */
function checkOptions(caps, key, optionType, setMethod) {
  let val = caps.get(key)
  if (val instanceof optionType) {
    throw new error.InvalidArgumentError(
      'Options class extends Capabilities and should not be set as key ' +
        `"${key}"; set browser-specific options with ` +
        `Builder.${setMethod}(). For more information, see the ` +
        'documentation attached to the function that threw this error',
    )
  }
}

// PUBLIC API