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@use 'sass:map';
@use '../core/theming/theming';
@use '../core/tokens/m2-utils';
@use '../core/tokens/m3-utils';
@use '../core/style/elevation';
@function get-tokens($theme) {
$system: m2-utils.get-system($theme);
$density-scale: theming.clamp-density(map.get($system, density-scale), -3);
@return (
base: (
expansion-container-shape: 4px,
expansion-container-elevation-shadow: elevation.get-box-shadow(2),
expansion-legacy-header-indicator-display: inline-block,
expansion-header-indicator-display: none,
),
color: (
expansion-container-background-color: map.get($system, surface),
expansion-container-text-color: map.get($system, on-surface),
expansion-actions-divider-color: map.get($system, outline),
expansion-header-hover-state-layer-color: m3-utils.color-with-opacity(
map.get($system, on-surface), map.get($system, hover-state-layer-opacity)),
expansion-header-focus-state-layer-color: m3-utils.color-with-opacity(
map.get($system, on-surface), map.get($system, focus-state-layer-opacity)),
expansion-header-disabled-state-text-color:
m3-utils.color-with-opacity(map.get($system, on-surface), 38%),
expansion-header-text-color: map.get($system, on-surface),
expansion-header-description-color: map.get($system, on-surface-variant),
expansion-header-indicator-color: map.get($system, on-surface-variant),
),
typography: (
expansion-header-text-font: map.get($system, label-medium-font),
expansion-header-text-size: map.get($system, label-medium-size),
expansion-header-text-weight: map.get($system, label-medium-weight),
// TODO(crisbeto): these two properties weren't set at all before the introduction of tokens,
// but it's inconsistent not to provide them since the container sets all of them. Eventually
// we should change the values to use come from `subtitle-2`.
expansion-header-text-line-height: inherit,
expansion-header-text-tracking: inherit,
expansion-container-text-font: map.get($system, body-medium-font),
expansion-container-text-line-height: map.get($system, body-medium-line-height),
expansion-container-text-size: map.get($system, body-medium-size),
expansion-container-text-tracking: map.get($system, body-medium-tracking),
expansion-container-text-weight: map.get($system, body-medium-weight),
),
density: (
expansion-header-collapsed-state-height: map.get((
0: 48px,
-1: 44px,
-2: 40px,
-3: 36px,
), $density-scale),
expansion-header-expanded-state-height: map.get((
0: 64px,
-1: 60px,
-2: 56px,
-3: 48px,
), $density-scale),
),
);
}