teagles / VS-America.com

/// Creates a scaling transition. A scale of `1` means the element is the same size. Larger numbers make the element bigger, while numbers less than 1 make the element smaller.
/// @param {Keyword} $state [in] - State to transition to.
/// @param {Number} $from [1.5] - Size to start at.
/// @param {Number} $from [1] - Size to end at.
/// @param {Boolean} $fade [true] - Set to `true` to fade the element in or out simultaneously.
/// @param {Duration} $duration [null] - Length (speed) of the transition.
/// @param {Keyword|Function} $timing [null] - Easing of the transition.
/// @param {Duration} $delay [null] - Delay in seconds or milliseconds before the transition starts.
@mixin mui-zoom(
  $state: in,
  $from: 1.5,
  $to: 1,
  $fade: map-get($motion-ui-settings, scale-and-fade),
  $duration: null,
  $timing: null,
  $delay: null
) {
  $scale: zoom($from, $to);

  @include transition-start($state) {
    @include transition-basics($duration, $timing, $delay);
    @include -mui-keyframe-get($scale, 0);

    @if $fade {
      transition-property: transform, opacity;
      opacity: if($state == in, 0, 1);
    } @else {
      transition-property: transform, opacity;
    }
  }

  @include transition-end($state) {
    @include -mui-keyframe-get($scale, 100);

    @if $fade {
      opacity: if($state == in, 1, 0);
    }
  }
}