Method parse

src/scales/scale.time.js:295–300

* @param {*} raw * @param {number?} [index] * @return {number}

(raw, index)

	 * @return {number}
	 */
  parse(raw, index) { // eslint-disable-line no-unused-vars
    if (raw === undefined) {
      return null;
    }
    return parse(this, raw);
  }

  beforeLayout() {
    super.beforeLayout();