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Theme: Add build plugins to inject design token fallbacks #75589

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Merged
mirka merged 7 commits into from
Feb 25, 2026
Merged

Theme: Add build plugins to inject design token fallbacks #75589

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ec88b59
Add build plugins to inject design token fallbacks
mirka Feb 16, 2026
034c014
Add changelog
mirka Feb 16, 2026
f0aaec5
Harden esbuild and Vite token fallback plugins
mirka Feb 16, 2026
b2083a8
Fix lint errors in .d.mts type declaration files
mirka Feb 16, 2026
5206004
Add code comments addressing review feedback
mirka Feb 24, 2026
cb79fc9
Add token fallback plugin to compileStyles
mirka Feb 24, 2026
0e64b79
Use static token map in Stack for build-time fallback injection
mirka Feb 24, 2026
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Use static token map in Stack for build-time fallback injection
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@mirka
mirka committed Feb 24, 2026
commit 0e64b790a8cc7a14c780cd12fe326d532328310e
15 changes: 14 additions & 1 deletion packages/ui/src/stack/stack.tsx
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Original file line number Diff line number Diff line change
@@ -1,8 +1,21 @@
import { useRender, mergeProps } from '@base-ui/react';
import { forwardRef } from '@wordpress/element';
import type { GapSize } from '@wordpress/theme';
import { type StackProps } from './types';
import styles from './style.module.css';

// Static map so that the build-time token fallback plugin can inject fallback
// values into each `var()` call.
const gapTokens: Record< GapSize, string > = {
xs: 'var(--wpds-dimension-gap-xs)',
sm: 'var(--wpds-dimension-gap-sm)',
md: 'var(--wpds-dimension-gap-md)',
lg: 'var(--wpds-dimension-gap-lg)',
xl: 'var(--wpds-dimension-gap-xl)',
'2xl': 'var(--wpds-dimension-gap-2xl)',
'3xl': 'var(--wpds-dimension-gap-3xl)',
};

/**
* A flexible layout component using CSS Flexbox for consistent spacing and alignment.
* Built on design tokens for predictable spacing values.
Expand All @@ -12,7 +25,7 @@ export const Stack = forwardRef< HTMLDivElement, StackProps >( function Stack(
ref
) {
const style: React.CSSProperties = {
gap: gap && `var(--wpds-dimension-gap-${ gap })`,
gap: gap && gapTokens[ gap ],
alignItems: align,
justifyContent: justify,
flexDirection: direction,
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