_md-comp-focus-ring.scss

//
// Copyright 2022 Google LLC
// SPDX-License-Identifier: Apache-2.0
//

// go/keep-sorted start
@use 'sass:map';
@use 'sass:string';
// go/keep-sorted end
// go/keep-sorted start
@use './internal/shape';
@use './internal/validate';
@use './md-sys-color';
@use './md-sys-motion';
@use './md-sys-shape';
// go/keep-sorted end

$supported-tokens: (
  // go/keep-sorted start
  'active-width',
  'color',
  'duration',
  'inward-offset',
  'outward-offset',
  'shape',
  'shape-end-end',
  'shape-end-start',
  'shape-start-end',
  'shape-start-start',
  'width',
  // go/keep-sorted end
);

$_default: (
  'md-sys-color': md-sys-color.values-light(),
  'md-sys-motion': md-sys-motion.values(),
  'md-sys-shape': md-sys-shape.values(),
);

@function values(
  $deps: $_default,
  $exclude-hardcoded-values: false,
  $exclude-custom-properties: false
) {
  $tokens: (
    'active-width': if($exclude-hardcoded-values, null, 8px),
    'color': map.get($deps, 'md-sys-color', 'secondary'),
    'duration': map.get($deps, 'md-sys-motion', 'duration-long4'),
    'inward-offset': if($exclude-hardcoded-values, null, 0px),
    'outward-offset': if($exclude-hardcoded-values, null, 2px),
    'shape': map.get($deps, 'md-sys-shape', 'corner-full'),
    'width': if($exclude-hardcoded-values, null, 3px),
  );

  $new-tokens: shape.get-new-logical-shape-tokens($tokens, 'shape');
  $tokens: validate.values(
    $tokens,
    $supported-tokens: $supported-tokens,
    $new-tokens: $new-tokens
  );

  @if not $exclude-custom-properties {
    @each $token, $value in $tokens {
      @if string.index($token, 'shape-') == 1 {
        // Add fallback to shorthand for logical shape properties.
        $value: var(--md-focus-ring-shape, #{$value});
      }

      $tokens: map.set(
        $tokens,
        $token,
        var(--md-focus-ring-#{$token}, #{$value})
      );
    }
  }

  @return $tokens;
}