// ---------------------------------------------------------
// deep-map-get
// Get a value from nested map by the keys
//
// Required arguments:
// `$map` Map
// `$keys` String(s)
//
// Example of use:
// deep-map-get($dfr-spacing, 'xs', 'y')
//
// @return Unspecified (it may return anything as a result)
// ---------------------------------------------------------
@function deep-map-get ($map, $keys...) {
  @if type-of($map) != 'map' {
    @error 'The argument $map: `#{$map}` is of incorrect type: `#{type-of($map)}`. Type of `Map` is required!';
  }

  @each $key in $keys {
    $map: map-get($map, $key);
  }

  @return $map;
}