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add zoom-* utilities #20020

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Merged
RobinMalfait merged 4 commits into from
May 8, 2026
Merged

add zoom-* utilities #20020

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82d9fca
add `zoom-*` utilities
RobinMalfait May 7, 2026
289765c
update changelog
RobinMalfait May 7, 2026
0ba1251
do not read from theme keys
RobinMalfait May 8, 2026
0348f5b
Merge branch 'main' into feat/add-zoom
RobinMalfait May 8, 2026
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Allow using `@variant` with stacked variants (e.g. `@variant hover:focus { … }`) ([#19996](https://github.com/tailwindlabs/tailwindcss/pull/19996))
- Allow using `@variant` with compound variants (e.g. `@variant hover, focus { … }`) ([#19996](https://github.com/tailwindlabs/tailwindcss/pull/19996))
- Support `--default(…)` in `--value(…)` and `--modifier(…)` for functional `@utility` definitions ([#19989](https://github.com/tailwindlabs/tailwindcss/pull/19989))
- Add `zoom-*` utilities ([#20020](https://github.com/tailwindlabs/tailwindcss/pull/20020))
- Add `scrollbar-gutter-*` utilities ([#20018](https://github.com/tailwindlabs/tailwindcss/pull/20018))

### Fixed
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10 changes: 10 additions & 0 deletions packages/tailwindcss/src/__snapshots__/intellisense.test.ts.snap
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Expand Up @@ -12247,6 +12247,16 @@ exports[`getClassList 1`] = `
"z-40",
"z-50",
"z-auto",
"zoom-50",
"zoom-75",
"zoom-90",
"zoom-95",
"zoom-100",
"zoom-105",
"zoom-110",
"zoom-125",
"zoom-150",
"zoom-200",
]
`;

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2 changes: 2 additions & 0 deletions packages/tailwindcss/src/property-order.ts
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Expand Up @@ -92,6 +92,8 @@ export default [
'--tw-skew-y',
'transform',

'zoom',

'animation',

'cursor',
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28 changes: 28 additions & 0 deletions packages/tailwindcss/src/utilities.test.ts
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Expand Up @@ -6899,6 +6899,34 @@ test('transform', async () => {
).toEqual('')
})

test('zoom', async () => {
expect(
await compileCss(
css`
@tailwind utilities;
`,
['zoom-50', 'zoom-100', 'zoom-[var(--zoom)]'],
),
).toMatchInlineSnapshot(`
"
.zoom-50 {
zoom: 50%;
}

.zoom-100 {
zoom: 100%;
}

.zoom-\\[var\\(--zoom\\)\\] {
zoom: var(--zoom);
}
"
`)
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@greptile-apps greptile-apps Bot May 7, 2026

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P2 Arbitrary decimal number case not tested

The PR description explicitly shows zoom-[1.1] → zoom: 1.1 as a supported form, but the test only exercises zoom-[var(--zoom)] for arbitrary values. A <number> arbitrary value (e.g. zoom-[1.1], zoom-[0.8]) is the natural way to express sub-100% zoom without percent syntax and should be covered to confirm the arbitrary path passes the value through unchanged.

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@RobinMalfait RobinMalfait May 7, 2026

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Sure, but any value in […] is emitted as-is, so the result would be the same.

expect(
await run(['zoom', '-zoom-50', 'zoom--50', 'zoom-1.5', 'zoom-unknown', 'zoom-50/foo']),
).toEqual('')
})

test('perspective', async () => {
expect(
await compileCss(
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15 changes: 15 additions & 0 deletions packages/tailwindcss/src/utilities.ts
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Expand Up @@ -1706,6 +1706,21 @@ export function createUtilities(theme: Theme) {
staticUtility('transform-none', [['transform', 'none']])
}

/**
* @css `zoom`
*/
functionalUtility('zoom', {
handleBareValue: ({ value }) => {
if (!isPositiveInteger(value)) return null
return `${value}%`
},
handle: (value) => [decl('zoom', value)],
})

suggest('zoom', () => [
{ values: ['50', '75', '90', '95', '100', '105', '110', '125', '150', '200'] },
])
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@greptile-apps greptile-apps Bot May 8, 2026

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P1 The zoom utility is missing themeKeys: ['--zoom'], so user-defined @theme values like --zoom-compact: 80% cannot be resolved via the zoom-compact shorthand. Every comparable functional utility that mixes bare-value handling with optional theme tokens (opacity, z, scale-x/y/z) passes a themeKeys array. Without it, theme.resolve('compact', []) always returns null, falling through to handleBareValue, which then rejects any non-integer string — meaning zoom-compact produces no output even when --zoom-compact is defined in @theme. The PR description explicitly shows this path as a supported feature.

Suggested change
functionalUtility('zoom', {
handleBareValue: ({ value }) => {
if (!isPositiveInteger(value)) return null
return `${value}%`
},
handle: (value) => [decl('zoom', value)],
})
suggest('zoom', () => [
{ values: ['50', '75', '90', '95', '100', '105', '110', '125', '150', '200'] },
])
functionalUtility('zoom', {
themeKeys: ['--zoom'],
handleBareValue: ({ value }) => {
if (!isPositiveInteger(value)) return null
return `${value}%`
},
handle: (value) => [decl('zoom', value)],
})
suggest('zoom', () => [
{
values: ['50', '75', '90', '95', '100', '105', '110', '125', '150', '200'],
valueThemeKeys: ['--zoom'],
},
])

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@RobinMalfait RobinMalfait May 8, 2026

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Removed reading from --zoom on purpose. They only exist in other utilities for backwards compatibility reasons with Tailwind CSS v3.


/**
* @css `transform-style`
*/
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