// Direction Helpers
// =================

// Susy Flow Defaults
// ------------------
// - PRIVATE
@include susy-defaults((
  flow: ltr,
));

// Get Direction
// -------------
// Return the 'from' or 'to' direction of a ltr or rtl flow.
// - [$flow]  : ltr | rtl
// - [$key]   : from | to
@function get-direction(
  $flow: map-get($susy-defaults, flow),
  $key: from
) {
  $return: if($flow == rtl, (from: right, to: left), (from: left, to: right));
  @return map-get($return, $key);
}

// To
// --
// Return the 'to' direction of a flow
// - [$flow]  : ltr | rtl
@function to(
  $flow: map-get($susy-defaults, flow)
) {
  @return get-direction($flow, to);
}

// From
// ----
// Return the 'from' direction of a flow
// - [$flow]  : ltr | rtl
@function from(
  $flow: map-get($susy-defaults, flow)
) {
  @return get-direction($flow, from);
}