JIT: Add caret-color utilities (tailwindlabs#4499)

Co-Authored-By: Jesse Katsumata <niconico.clarinet@gmail.com>

Co-authored-by: Jesse Katsumata <niconico.clarinet@gmail.com>

Author: adamwathan

src/corePlugins.js

@@ -1,7 +1,7 @@
 import * as plugins from './plugins/index.js'
 import configurePlugins from './util/configurePlugins'
 
-const jitOnlyPlugins = ['content']
+const jitOnlyPlugins = ['caretColor', 'content']
 
 export default function ({ corePlugins: corePluginConfig }) {
   corePluginConfig = corePluginConfig.filter((pluginName) => !jitOnlyPlugins.includes(pluginName))

src/plugins/caretColor.js

@@ -0,0 +1,19 @@
+import flattenColorPalette from '../util/flattenColorPalette'
+import toColorValue from '../util/toColorValue'
+
+export default function () {
+  return function ({ matchUtilities, theme, variants }) {
+    matchUtilities(
+      {
+        caret: (value) => {
+          return { 'caret-color': toColorValue(value) }
+        },
+      },
+      {
+        values: flattenColorPalette(theme('caretColor')),
+        variants: variants('caretColor'),
+        type: ['color', 'any'],
+      }
+    )
+  }
+}

src/plugins/index.js

@@ -123,6 +123,7 @@ export { default as textDecoration } from './textDecoration'
 export { default as fontSmoothing } from './fontSmoothing'
 export { default as placeholderColor } from './placeholderColor'
 export { default as placeholderOpacity } from './placeholderOpacity'
+export { default as caretColor } from './caretColor'
 
 export { default as opacity } from './opacity'
 export { default as backgroundBlendMode } from './backgroundBlendMode'

stubs/defaultConfig.stub.js

@@ -165,6 +165,7 @@ module.exports = {
       inner: 'inset 0 2px 4px 0 rgba(0, 0, 0, 0.06)',
       none: 'none',
     },
+    caretColor: (theme) => theme('colors'),
     contrast: {
       0: '0',
       50: '.5',

tests/jit/basic-usage.test.css

@@ -604,6 +604,9 @@
 .placeholder-opacity-60::placeholder {
   --tw-placeholder-opacity: 0.6;
 }
+.caret-red-600 {
+  caret-color: #dc2626;
+}
 .opacity-90 {
   opacity: 0.9;
 }

tests/jit/basic-usage.test.html

@@ -100,6 +100,7 @@
     <div class="place-content-start"></div>
     <div class="placeholder-green-300"></div>
     <div class="placeholder-opacity-60"></div>
+    <div class="caret-red-600"></div>
     <div class="place-items-end"></div>
     <div class="place-self-center"></div>
     <div class="pointer-events-none"></div>