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refactor: remove mdc-system terminology and maps #31054

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Merged
merged 9 commits into from
May 8, 2025
Merged

refactor: remove mdc-system terminology and maps #31054

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cb9b53e
refactor: remove hardcode flag from m3 token maps
andrewseguin May 7, 2025
2ed82bc
refactor: directly use palettes instead of a ref
andrewseguin May 7, 2025
eb6b900
refactor: directly use typography instead of a ref
andrewseguin May 7, 2025
468679f
refactor: remove m3 ref files
andrewseguin May 7, 2025
949dd81
refactor: remove unused functions
andrewseguin May 7, 2025
8c1ea2c
refactor: lint
andrewseguin May 7, 2025
5a2a9f0
refactor: fix tests
andrewseguin May 7, 2025
e2cd3b4
refactor: continue using primary as a palette key
andrewseguin May 8, 2025
691b7b2
refactor: ensure some ref colors are included for select and sidenav
andrewseguin May 8, 2025
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40 changes: 21 additions & 19 deletions src/material/core/theming/_definition.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -53,21 +53,22 @@ $theme-version: 1;
$system-variables-prefix: map.get($config, system-variables-prefix) or $system-level-prefix;
sass-utils.$use-system-color-variables: map.get($config, use-system-variables) or false;

$palettes: (
primary: map.remove($primary, neutral, neutral-variant, secondary),
secondary: map.get($primary, secondary),
tertiary: map.remove($tertiary, neutral, neutral-variant, secondary, error),
neutral: map.get($primary, neutral),
neutral-variant: map.get($primary, neutral-variant),
error: map.get($primary, error),
);

@return (
$internals: (
theme-version: $theme-version,
theme-type: $type,
palettes: (
primary: map.remove($primary, neutral, neutral-variant, secondary),
secondary: map.get($primary, secondary),
tertiary: map.remove($tertiary, neutral, neutral-variant, secondary),
neutral: map.get($primary, neutral),
neutral-variant: map.get($primary, neutral-variant),
error: map.get($primary, error),
),
palettes: $palettes,
color-system-variables-prefix: $system-variables-prefix,
color-tokens: m3-tokens.generate-color-tokens(
$type, $primary, $tertiary, map.get($primary, error), $system-variables-prefix)
color-tokens: m3-tokens.generate-color-tokens($type, $palettes, $system-variables-prefix)
)
);
}
Expand All @@ -89,19 +90,20 @@ $theme-version: 1;
$system-variables-prefix: map.get($config, system-variables-prefix) or $system-level-prefix;
sass-utils.$use-system-typography-variables: map.get($config, use-system-variables) or false;

$typography: (
plain: $plain,
brand: $brand,
bold: $bold,
medium: $medium,
regular: $regular,
);

@return (
$internals: (
theme-version: $theme-version,
font-definition: (
plain: $plain,
brand: $brand,
bold: $bold,
medium: $medium,
regular: $regular,
),
font-definition: $typography,
typography-system-variables-prefix: $system-variables-prefix,
typography-tokens: m3-tokens.generate-typography-tokens(
$brand, $plain, $bold, $medium, $regular, $system-variables-prefix)
typography-tokens: m3-tokens.generate-typography-tokens($typography, $system-variables-prefix)
)
);
}
Expand Down
60 changes: 26 additions & 34 deletions src/material/core/tokens/_m3-system.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
@use '../style/sass-utils';
@use '../theming/config-validation';
@use '../theming/definition';
@use '../theming/palettes';
@use './m3';
@use './m3-tokens';
@use 'sass:list';
Expand Down Expand Up @@ -130,8 +131,14 @@
/// change the primary color to red, use `mat.theme-overrides((primary: red));`
@mixin theme-overrides($overrides, $prefix: definition.$system-fallback-prefix) {
$sys-names: map-merge-all(
m3.md-sys-color-values-light(),
m3.md-sys-typescale-values(),
m3.md-sys-color-values-light(palettes.$blue-palette),
m3.md-sys-typescale-values((
brand: (Roboto),
plain: (Roboto),
bold: 700,
medium: 500,
regular: 400
)),
m3.md-sys-elevation-values(),
m3.md-sys-shape-values(),
m3.md-sys-state-values());
Expand All @@ -147,35 +154,20 @@

@mixin system-level-colors($theme, $overrides: (), $prefix: null) {
$palettes: map.get($theme, _mat-theming-internals-do-not-access, palettes);
$base-palettes: (
neutral: map.get($palettes, neutral),
neutral-variant: map.get($palettes, neutral-variant),
secondary: map.get($palettes, secondary),
error: map.get($palettes, error),
);

$type: map.get($theme, _mat-theming-internals-do-not-access, theme-type);
$primary: map.merge(map.get($palettes, primary), $base-palettes);
$tertiary: map.merge(map.get($palettes, tertiary), $base-palettes);
$error: map.get($palettes, error);

@if (not $prefix) {
$prefix: map.get($theme, _mat-theming-internals-do-not-access,
color-system-variables-prefix) or definition.$system-level-prefix;
}

$ref: (
md-ref-palette: m3-tokens.generate-ref-palette-tokens($primary, $tertiary, $error)
);

$sys-colors: _generate-sys-colors($ref, $type);
$sys-colors: _generate-sys-colors($palettes, $type);

// Manually insert a subset of palette values that are used directly by components
// instead of system variables.
$sys-colors: map.set($sys-colors,
'neutral-variant20', map.get($ref, md-ref-palette, neutral-variant20));
$sys-colors: map.set($sys-colors,
'neutral10', map.get($ref, md-ref-palette, neutral10));
$sys-colors: map.set($sys-colors, neutral-variant20, map.get($palettes, neutral-variant, 20));
$sys-colors: map.set($sys-colors, neutral10, map.get($palettes, neutral, 10));

& {
@each $name, $value in $sys-colors {
Expand All @@ -184,13 +176,13 @@
}
}

@function _generate-sys-colors($ref, $type) {
$light-sys-colors: m3.md-sys-color-values-light($ref);
@function _generate-sys-colors($palettes, $type) {
$light-sys-colors: m3.md-sys-color-values-light($palettes);
@if ($type == light) {
@return $light-sys-colors;
}

$dark-sys-colors: m3.md-sys-color-values-dark($ref);
$dark-sys-colors: m3.md-sys-color-values-dark($palettes);
@if ($type == dark) {
@return $dark-sys-colors;
}
Expand All @@ -210,22 +202,14 @@

@mixin system-level-typography($theme, $overrides: (), $prefix: null) {
$font-definition: map.get($theme, _mat-theming-internals-do-not-access, font-definition);
$brand: map.get($font-definition, brand);
$plain: map.get($font-definition, plain);
$bold: map.get($font-definition, bold);
$medium: map.get($font-definition, medium);
$regular: map.get($font-definition, regular);
$ref: (md-ref-typeface:
m3-tokens.generate-ref-typeface-tokens($brand, $plain, $bold, $medium, $regular)
);

@if (not $prefix) {
$prefix: map.get($theme, _mat-theming-internals-do-not-access,
typography-system-variables-prefix) or definition.$system-level-prefix;
}

& {
@each $name, $value in m3.md-sys-typescale-values($ref) {
@each $name, $value in m3.md-sys-typescale-values($font-definition) {
--#{$prefix}-#{$name}: #{map.get($overrides, $name) or $value};
}
}
Expand Down Expand Up @@ -275,11 +259,19 @@
// system fallback variables referencing Material's system keys.
// Includes density token fallbacks where density is 0.
@function create-system-fallbacks() {
$palettes: m3.md-sys-color-values-light(palettes.$blue-palette);
$palettes: map.set($palettes, primary, palettes.$blue-palette);
$app-vars: (
'md-sys-color':
_create-system-app-vars-map(m3.md-sys-color-values-light()),
_create-system-app-vars-map(m3.md-sys-color-values-light($palettes)),
'md-sys-typescale':
_create-system-app-vars-map(m3.md-sys-typescale-values()),
_create-system-app-vars-map(m3.md-sys-typescale-values((
brand: (Roboto),
plain: (Roboto),
bold: 700,
medium: 500,
regular: 400
))),
'md-sys-elevation':
_create-system-app-vars-map(m3.md-sys-elevation-values()),
'md-sys-state':
Expand Down
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