_gss.scss

//
// Copyright 2020 Google Inc.
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@use 'sass:list';
@use 'sass:map';
@use 'sass:meta';

/// Adds optional GSS annotation comments. Useful for theme mixins where one or
/// more properties are set indirectly.
///
/// Annotations may be provided as a Map of annotations or as named arguments.
///
/// @example - scss
///   @include annotate((noflip: true));
///   left: 0;
///
/// @example - scss
///   @include annotate($noflip: true);
///   left: 0;
///
/// @example - css
///   /* @noflip */ /*rtl:ignore*/
///   left: 0;
///
/// @param {Map} $annotations - Map of annotations. Values must be set to `true`
///     for an annotation to be added.
@mixin annotate($annotations...) {
  $keywords: meta.keywords($annotations);
  @if list.length($annotations) > 0 {
    $annotations: list.nth($annotations, 1);
  } @else {
    $annotations: $keywords;
  }

  @if (map.get($annotations, alternate) == true) {
    /* @alternate */
  }

  // noflip must be the last tag right before the property
  @if (map.get($annotations, noflip) == true) {
    /* @noflip */ /*rtl:ignore*/
  }
}