Method windowSize

javascript/selenium-webdriver/firefox.js:303–313

* Sets the initial window size * * @param {{width: number, height: number}} size The desired window size. * @return {!Options} A self reference. * @throws {TypeError} if width or height is unspecified, not a number, or * less than or equal to 0.

({ width, height })

   *     less than or equal to 0.
   */
  windowSize({ width, height }) {
    function checkArg(arg) {
      if (typeof arg !== 'number' || arg <= 0) {
        throw TypeError('Arguments must be {width, height} with numbers > 0')
      }
    }

    checkArg(width)
    checkArg(height)
    return this.addArguments(`--width=${width}`, `--height=${height}`)
  }

  /**
   * Add extensions that should be installed when starting Firefox.