@use 'sass:map'; @use '../theming/theming'; @use '../typography/typography'; @use '../typography/typography-utils'; @mixin color($config-or-theme) { $config: theming.get-color-config($config-or-theme); $foreground: map.get($config, foreground); .mat-optgroup-label { color: theming.get-color-from-palette($foreground, secondary-text); } .mat-optgroup-disabled .mat-optgroup-label { color: theming.get-color-from-palette($foreground, hint-text); } } @mixin typography($config-or-theme) { $config: typography.private-typography-to-2014-config( theming.get-typography-config($config-or-theme)); .mat-optgroup-label { @include typography-utils.typography-level($config, body-2); } } @mixin _density($config-or-theme) {} @mixin theme($theme-or-color-config) { $theme: theming.private-legacy-get-theme($theme-or-color-config); @include theming.private-check-duplicate-theme-styles($theme, 'mat-optgroup') { $color: theming.get-color-config($theme); $density: theming.get-density-config($theme); $typography: theming.get-typography-config($theme); @if $color != null { @include color($color); } @if $density != null { @include _density($density); } @if $typography != null { @include typography($typography); } } }