Add forced-colors variant (#11694)

* Add forced-colors variant Also add a contrast-custom variant to match custom contrast preferences * use `toMatchSnapshot` instead of `toMatchFormattedCss` More info: #12170 * remove `contrast-custom` variant * move `forcedColorsVariants` next to `prefersContrastVariants` * update changelog --------- Co-authored-by: Robin Malfait <malfait.robin@gmail.com>
tailwindlabs · Nov 2, 2023 · b411d04 · b411d04
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add utilities for CSS subgrid ([#12298](https://github.com/tailwindlabs/tailwindcss/pull/12298))
 - Add spacing scale to `min-w-*`, `min-h-*`, and `max-w-*` utilities ([#12300](https://github.com/tailwindlabs/tailwindcss/pull/12300))
 - Add `forced-color-adjust` utilities ([#11931](https://github.com/tailwindlabs/tailwindcss/pull/11931))
+- Add `forced-colors` variant ([#11694](https://github.com/tailwindlabs/tailwindcss/pull/11694))
 - [Oxide] New Rust template parsing engine ([#10252](https://github.com/tailwindlabs/tailwindcss/pull/10252))
 - [Oxide] Support `@import "tailwindcss"` using top-level `index.css` file ([#11205](https://github.com/tailwindlabs/tailwindcss/pull/11205), ([#11260](https://github.com/tailwindlabs/tailwindcss/pull/11260)))
 - [Oxide] Use `lightningcss` for nesting and vendor prefixes in PostCSS plugin ([#10399](https://github.com/tailwindlabs/tailwindcss/pull/10399))

diff --git a/src/corePlugins.js b/src/corePlugins.js
@@ -460,6 +460,10 @@ export let variantPlugins = {
     addVariant('contrast-more', '@media (prefers-contrast: more)')
     addVariant('contrast-less', '@media (prefers-contrast: less)')
   },
+
+  forcedColorsVariants: ({ addVariant }) => {
+    addVariant('forced-colors', '@media (forced-colors: active)')
+  },
 }
 
 let cssTransformValue = [

diff --git a/src/lib/setupContextUtils.js b/src/lib/setupContextUtils.js
@@ -757,6 +757,7 @@ function resolvePlugins(context, root) {
     variantPlugins['directionVariants'],
     variantPlugins['reducedMotionVariants'],
     variantPlugins['prefersContrastVariants'],
+    variantPlugins['forcedColorsVariants'],
     variantPlugins['darkVariants'],
     variantPlugins['printVariant'],
     variantPlugins['screenVariants'],

diff --git a/tests/plugins/variants/__snapshots__/forcedColorsVariants.test.js.snap b/tests/plugins/variants/__snapshots__/forcedColorsVariants.test.js.snap
@@ -0,0 +1,11 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`should test the 'forcedColorsVariants' plugin 1`] = `
+"
+@media (forced-colors: active) {
+  .forced-colors\\:flex {
+    display: flex;
+  }
+}
+"
+`;
diff --git a/tests/plugins/variants/forcedColorsVariants.test.js b/tests/plugins/variants/forcedColorsVariants.test.js
@@ -0,0 +1,3 @@
+import { quickVariantPluginTest } from '../../util/run'
+
+quickVariantPluginTest('forcedColorsVariants').toMatchSnapshot()