feat(tokens): add component custom properties to Sass values

These are excluded by default, but will be enabled by default in 2.0.

Example: `tokens.md-comp-checkbox-values($exclude-custom-properties: false)`
PiperOrigin-RevId: 601596085

tokens/_md-comp-assist-chip.scss

@@ -85,7 +85,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-assist-chip.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -118,5 +122,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-assist-chip-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-badge.scss

@@ -21,8 +21,21 @@ $_default: (
 
 $_unsupported-tokens: ('large-label-text-tracking', 'large-label-text-type');
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: md-comp-badge.values($deps, $exclude-hardcoded-values);
   $tokens: map.remove($tokens, $_unsupported-tokens...);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-badge-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-checkbox.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -89,9 +92,15 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
+  $tokens: md-comp-checkbox.values($deps, $exclude-hardcoded-values);
+
   $tokens: validate.values(
-    md-comp-checkbox.values($deps, $exclude-hardcoded-values),
+    $tokens,
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens,
     $renamed-tokens: (
@@ -120,5 +129,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-checkbox-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-circular-progress.scss

@@ -38,7 +38,11 @@ $_default: (
   'md-sys-shape': md-sys-shape.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-circular-progress-indicator.values(
       $deps,
@@ -61,5 +65,17 @@ $_default: (
     );
   }
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-circular-progress-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-dialog.scss

@@ -72,7 +72,11 @@ $unsupported-tokens: (
   // go/keep-sorted end
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-dialog.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -84,5 +88,13 @@ $unsupported-tokens: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-dialog-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-divider.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -20,9 +23,23 @@ $_default: (
   'md-sys-color': md-sys-color.values-light(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
-  @return validate.values(
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
+  $tokens: validate.values(
     md-comp-divider.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens
   );
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-divider-#{$token}, #{$value}));
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-elevated-button.scss

@@ -76,7 +76,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-elevated-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -108,5 +112,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-elevated-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-elevated-card.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -52,12 +55,28 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-elevated-card.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-elevated-card-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-elevation.scss

@@ -24,10 +24,27 @@ $_default: (
   'md-sys-elevation': md-sys-elevation.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: (
     'level': map.get($deps, 'md-sys-elevation', 'level0'),
     'shadow-color': map.get($deps, 'md-sys-color', 'shadow'),
   );
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-elevation-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return validate.values($tokens, $supported-tokens: $supported-tokens);
 }

tokens/_md-comp-fab-branded.scss

@@ -99,7 +99,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-fab-branded.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -107,5 +111,17 @@ $_default: (
     $new-tokens: _get-new-tokens($deps, $exclude-hardcoded-values)
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-fab-branded-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-fab.scss

@@ -231,7 +231,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: md-comp-fab-surface.values($deps, $exclude-hardcoded-values);
 
   $tokens: validate.values(
@@ -241,5 +245,13 @@ $_default: (
     $new-tokens: _get-new-tokens($deps, $exclude-hardcoded-values)
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-fab-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-button.scss

@@ -76,7 +76,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -108,5 +112,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-card.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -52,12 +55,28 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-card.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-card-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-field.scss

@@ -110,7 +110,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $text-field: md-comp-filled-text-field.values(
     $deps,
     $exclude-hardcoded-values
@@ -249,5 +253,19 @@ $_default: (
     // go/keep-sorted end
   );
 
-  @return validate.values($tokens, $supported-tokens: $supported-tokens);
+  $tokens: validate.values($tokens, $supported-tokens: $supported-tokens);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-field-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-filled-icon-button.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -64,7 +67,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-icon-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -84,5 +91,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-icon-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-select.scss

@@ -150,7 +150,11 @@ $_default: (
   );
 }
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $original-tokens: md-comp-filled-select.values(
     $deps,
     $exclude-hardcoded-values
@@ -165,5 +169,17 @@ $_default: (
     $unsupported-tokens: $unsupported-tokens
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-select-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-text-field.scss

@@ -128,7 +128,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-text-field.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -157,5 +161,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-text-field-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-tonal-button.scss

@@ -76,7 +76,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-tonal-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -108,5 +112,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-tonal-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filled-tonal-icon-button.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -64,7 +67,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filled-tonal-icon-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -84,5 +91,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filled-tonal-icon-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-filter-chip.scss

@@ -127,7 +127,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-filter-chip.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -230,5 +234,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-filter-chip-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-focus-ring.scss

@@ -5,7 +5,6 @@
 
 // go/keep-sorted start
 @use 'sass:map';
-@use 'sass:string';
 // go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
@@ -32,7 +31,11 @@ $_default: (
   'md-sys-shape': md-sys-shape.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: (
     'active-width': if($exclude-hardcoded-values, null, 8px),
     'color': map.get($deps, 'md-sys-color', 'secondary'),
@@ -43,5 +46,19 @@ $_default: (
     'width': if($exclude-hardcoded-values, null, 3px),
   );
 
-  @return validate.values($tokens, $supported-tokens: $supported-tokens);
+  $tokens: validate.values($tokens, $supported-tokens: $supported-tokens);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-focus-ring-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-icon-button.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -53,7 +56,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-icon-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -73,5 +80,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-icon-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-icon.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 // go/keep-sorted end
@@ -23,12 +26,23 @@ $supported-tokens: (
   );
 }
 
-@function values($exclude-hardcoded-values: false) {
+@function values(
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     (),
     $supported-tokens: $supported-tokens,
     $new-tokens: _get-new-tokens($exclude-hardcoded-values)
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-icon-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-input-chip.scss

@@ -115,7 +115,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-input-chip.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -212,5 +216,17 @@ $_default: (
     map.get($deps, 'md-sys-color', 'primary')
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-input-chip-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-item.scss

@@ -44,6 +44,7 @@ $_default: (
 );
 
 @function values($deps: $_default, $exclude-hardcoded-values: false) {
+  // Note: <md-item> does not provide `--md-item-*` custom properties.
   $list-tokens: md-comp-list.values($deps, $exclude-hardcoded-values);
 
   $tokens: (

tokens/_md-comp-linear-progress.scss

@@ -41,10 +41,28 @@ $unsupported-tokens: (
 
 // TODO(b/275045611) may need to update based on resolution of design
 // for buffer and background animation.
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
-  @return validate.values(
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
+  $tokens: validate.values(
     md-comp-linear-progress-indicator.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens
   );
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-linear-progress-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-list-item.scss

@@ -4,7 +4,6 @@
 //
 
 // go/keep-sorted start
-@use 'sass:list';
 @use 'sass:map';
 @use 'sass:string';
 // go/keep-sorted end
@@ -125,7 +124,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $original-tokens: md-comp-list.values($deps, $exclude-hardcoded-values);
 
   $tokens: validate.values(
@@ -141,6 +144,18 @@ $_default: (
     $renamed-tokens: _get-renamed-tokens($original-tokens)
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-list-item-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }
 

tokens/_md-comp-list.scss

@@ -22,11 +22,25 @@ $_default: (
   'md-sys-color': md-sys-color.values-light(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $list-tokens: md-comp-list.values($deps, $exclude-hardcoded-values);
   $tokens: (
     'container-color': map.get($list-tokens, 'list-item-container-color'),
   );
 
-  @return validate.values($tokens, $supported-tokens: $supported-tokens);
+  $tokens: validate.values($tokens, $supported-tokens: $supported-tokens);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-list-#{$token}, #{$value}));
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-menu-item.scss

@@ -4,7 +4,6 @@
 //
 
 // go/keep-sorted start
-@use 'sass:list';
 @use 'sass:map';
 @use 'sass:string';
 // go/keep-sorted end
@@ -73,7 +72,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: md-comp-menu.values($deps);
 
   // Like list items, menu items use their parent menu for their container
@@ -90,6 +93,18 @@ $_default: (
     $renamed-tokens: _get-renamed-tokens($tokens)
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-menu-item-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }
 

tokens/_md-comp-menu.scss

@@ -4,9 +4,7 @@
 //
 
 // go/keep-sorted start
-@use 'sass:list';
 @use 'sass:map';
-@use 'sass:string';
 // go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
@@ -40,12 +38,24 @@ $_default: (
   'md-sys-shape': md-sys-shape.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-menu.values($deps),
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-menu-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-navigation-bar.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './md-sys-color';
 @use './md-sys-elevation';
@@ -20,6 +23,24 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
-  @return md-comp-navigation-bar.values($deps, $exclude-hardcoded-values);
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
+  $tokens: md-comp-navigation-bar.values($deps, $exclude-hardcoded-values);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-navigation-bar-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-navigation-drawer.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './md-sys-color';
 @use './md-sys-elevation';
@@ -20,6 +23,24 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
-  @return md-comp-navigation-drawer.values($deps, $exclude-hardcoded-values);
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
+  $tokens: md-comp-navigation-drawer.values($deps, $exclude-hardcoded-values);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-navigation-drawer-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-outlined-button.scss

@@ -72,7 +72,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -104,5 +108,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-outlined-card.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -58,12 +61,28 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-card.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-card-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-outlined-field.scss

@@ -103,7 +103,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $text-field: md-comp-outlined-text-field.values(
     $deps,
     $exclude-hardcoded-values
@@ -224,5 +228,19 @@ $_default: (
     // go/keep-sorted end
   );
 
-  @return validate.values($tokens, $supported-tokens: $supported-tokens);
+  $tokens: validate.values($tokens, $supported-tokens: $supported-tokens);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-field-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-outlined-icon-button.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -57,7 +60,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-icon-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -78,5 +85,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-icon-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-outlined-segmented-button.scss

@@ -74,7 +74,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-segmented-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -87,5 +91,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-segmented-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-outlined-select.scss

@@ -5,7 +5,6 @@
 
 // go/keep-sorted start
 @use 'sass:map';
-@use 'sass:string';
 // go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
@@ -136,7 +135,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-select.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -151,5 +154,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-select-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-outlined-text-field.scss

@@ -117,7 +117,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-outlined-text-field.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -144,5 +148,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-outlined-text-field-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-primary-tab.scss

@@ -77,13 +77,17 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: md-comp-primary-navigation-tab.values(
     $deps,
     $exclude-hardcoded-values: $exclude-hardcoded-values
   );
 
-  @return validate.values(
+  $tokens: validate.values(
     $tokens,
     $supported-tokens: $supported-tokens,
     $unsupported-tokens: $unsupported-tokens,
@@ -128,4 +132,18 @@ $_default: (
       'with-label-text-label-text-type': 'label-text-type'
     )
   );
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-primary-tab-#{$token}, #{$value})
+      );
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-radio.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -51,7 +54,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-radio-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -69,5 +76,13 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-radio-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-ripple.scss

@@ -27,7 +27,7 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default) {
+@function values($deps: $_default, $exclude-custom-properties: true) {
   $tokens: (
     'hover-color': map.get($deps, 'md-sys-color', 'on-surface'),
     'hover-opacity': map.get($deps, 'md-sys-state', 'hover-state-layer-opacity'),
@@ -36,5 +36,15 @@ $_default: (
       map.get($deps, 'md-sys-state', 'pressed-state-layer-opacity'),
   );
 
-  @return validate.values($tokens, $supported-tokens: $supported-tokens);
+  $tokens: validate.values($tokens, $supported-tokens: $supported-tokens);
+
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-ripple-#{$token}, #{$value}));
+    }
+  }
+
+  @return $tokens;
 }

tokens/_md-comp-secondary-tab.scss

@@ -75,7 +75,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: md-comp-secondary-navigation-tab.values(
     $deps,
     $exclude-hardcoded-values: $exclude-hardcoded-values
@@ -98,6 +102,18 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-secondary-tab-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }
 

tokens/_md-comp-slider.scss

@@ -87,7 +87,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-slider.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -103,5 +107,13 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-slider-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-suggestion-chip.scss

@@ -85,7 +85,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-suggestion-chip.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -122,5 +126,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-suggestion-chip-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-switch.scss

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// go/keep-sorted start
+@use 'sass:map';
+// go/keep-sorted end
 // go/keep-sorted start
 @use './internal/validate';
 @use './md-sys-color';
@@ -96,7 +99,11 @@ $_default: (
   'md-sys-state': md-sys-state.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-switch.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -137,5 +144,13 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set($tokens, $token, var(--md-switch-#{$token}, #{$value}));
+    }
+  }
+
   @return $tokens;
 }

tokens/_md-comp-text-button.scss

@@ -65,7 +65,11 @@ $_default: (
   'md-sys-typescale': md-sys-typescale.values(),
 );
 
-@function values($deps: $_default, $exclude-hardcoded-values: false) {
+@function values(
+  $deps: $_default,
+  $exclude-hardcoded-values: false,
+  $exclude-custom-properties: true
+) {
   $tokens: validate.values(
     md-comp-text-button.values($deps, $exclude-hardcoded-values),
     $supported-tokens: $supported-tokens,
@@ -97,5 +101,17 @@ $_default: (
     )
   );
 
+  // Default to `$exclude-custom-properties: false` in the next breaking change.
+  // See b/321816473.
+  @if not $exclude-custom-properties {
+    @each $token, $value in $tokens {
+      $tokens: map.set(
+        $tokens,
+        $token,
+        var(--md-text-button-#{$token}, #{$value})
+      );
+    }
+  }
+
   @return $tokens;
 }