Method updateState

src/controller/Key.js:32–36

* * Updates the internal state of the key. Accepts a range between 0-2. Will set key state to 0 if nothing is passed. * @param {0 | 1 | 2} [state=0] * @memberof Key

(state = 0)

   * @memberof Key
   */
  updateState(state = 0) {
    if (state < 3 && state > -1) {
      this._state = state;
    }
  }

  /**
   * Calls the relevant action for the current state of the key.