Function shift

src/js/components/Move/Move.ts:157–162

* Adds or subtracts the slider width to the provided position. * * @param position - A position to shift. * @param backwards - Determines whether to shift the slider backwards or forwards. * * @return The shifted position.

( position: number, backwards: boolean )

   * @return The shifted position.
   */
  function shift( position: number, backwards: boolean ): number {
    const excess = position - getLimit( backwards );
    const size   = sliderSize();
    position -= orient( size * ( ceil( abs( excess ) / size ) || 1 ) ) * ( backwards ? 1 : -1 );
    return position;
  }

  /**
   * Cancels transition.