carbon-components-svelte/css/_text-tokens.scss at master · carbon-design-system/carbon-components-svelte · GitHub

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@import "carbon-components/scss/globals/scss/feature-flags";
@import "carbon-components/scss/globals/scss/theme-tokens";
@import "carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/colors/colors";
@import "carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/import-once/import-once";

/// Text colors Carbon v11 has no token for. `support-success` is an indicator
/// color and reads at about 3:1 as small text, so success text takes the
/// green step that passes AA wherever `text-error` does: on the background
/// and the first two layers. The steps mirror `text-error`'s reds (60 in the
/// light themes, 30 in Gray 80 and 90, 40 in Gray 100).
/// @access private
/// @group type
// prettier-ignore
$ccs-text-colors: (
  "text-success": (
    white: $carbon__green-60,
    g10: $carbon__green-60,
    g80: $carbon__green-30,
    g90: $carbon__green-30,
    g100: $carbon__green-40,
  ),
);

/// The name of a theme map, found by its `background`, which every theme sets
/// differently. Whole-map comparison breaks once a later partial extends the
/// maps. Unknown maps read as white.
/// @access private
/// @param {Map} $theme - A `$carbon--theme--*` map
/// @return {String}
@function ccs-theme-name($theme) {
  $themes: (
    white: $carbon--theme--white,
    g10: $carbon--theme--g10,
    g80: $carbon--theme--g80,
    g90: $carbon--theme--g90,
    g100: $carbon--theme--g100,
  );
  @each $name, $map in $themes {
    @if map-get($map, "background") == map-get($theme, "background") {
      @return $name;
    }
  }
  @return white;
}

/// A library theme color from `$map`: `var(--ccs-*)` where the build emits
/// custom properties (`all.css`), else the compiled theme's value.
/// @access private
/// @param {Map} $map - Name to per-theme values, like `$ccs-text-colors`
/// @param {String} $name - Key in `$map`
@function ccs-theme-color($map, $name) {
  $value: map-get(map-get($map, $name), ccs-theme-name($carbon--theme));
  @if feature-flag-enabled("enable-css-custom-properties") {
    // `all.css` declares every token on `:root`, so it drops the fallback.
    @if global-variable-exists("ccs-omit-token-fallbacks") and
      $ccs-omit-token-fallbacks
    {
      @return var(--ccs-#{$name});
    }
    @return var(--ccs-#{$name}, #{$value});
  }
  @return $value;
}

/// A library text color. See `ccs-theme-color`.
/// @access private
/// @param {String} $name - Key in `$ccs-text-colors`
@function ccs-text-color($name) {
  @return ccs-theme-color($ccs-text-colors, $name);
}

/// Declares the colors in `$map` as `--ccs-*` custom properties for
/// `$theme`, skipping any that match `$base` when it's given.
/// @param {Map} $map - Name to per-theme values, like `$ccs-text-colors`
/// @param {Map} $theme - Theme to declare
/// @param {Map} $base [null] - Theme the selector already inherits
/// @access private
/// @group themes
@mixin ccs-emit-theme-colors($map, $theme, $base: null) {
  @each $name, $values in $map {
    $value: map-get($values, ccs-theme-name($theme));
    @if $base == null or map-get($values, ccs-theme-name($base)) != $value {
      --ccs-#{$name}: #{$value};
    }
  }
}