From b1e2c8fd5cb5dfa46bc440a12eafaf56cd844b1c Mon Sep 17 00:00:00 2001
From: Philipp Tanlak <philipp.tanlak@gmail.com>
Date: Mon, 24 Nov 2025 20:54:57 +0100
Subject: Docs

---
 .../src/lib/normalizeTailwindDirectives.js         | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 node_modules/tailwindcss/src/lib/normalizeTailwindDirectives.js

(limited to 'node_modules/tailwindcss/src/lib/normalizeTailwindDirectives.js')

diff --git a/node_modules/tailwindcss/src/lib/normalizeTailwindDirectives.js b/node_modules/tailwindcss/src/lib/normalizeTailwindDirectives.js
new file mode 100644
index 0000000..3349a7e
--- /dev/null
+++ b/node_modules/tailwindcss/src/lib/normalizeTailwindDirectives.js
@@ -0,0 +1,84 @@
+import log from '../util/log'
+
+export default function normalizeTailwindDirectives(root) {
+  let tailwindDirectives = new Set()
+  let layerDirectives = new Set()
+  let applyDirectives = new Set()
+
+  root.walkAtRules((atRule) => {
+    if (atRule.name === 'apply') {
+      applyDirectives.add(atRule)
+    }
+
+    if (atRule.name === 'import') {
+      if (atRule.params === '"tailwindcss/base"' || atRule.params === "'tailwindcss/base'") {
+        atRule.name = 'tailwind'
+        atRule.params = 'base'
+      } else if (
+        atRule.params === '"tailwindcss/components"' ||
+        atRule.params === "'tailwindcss/components'"
+      ) {
+        atRule.name = 'tailwind'
+        atRule.params = 'components'
+      } else if (
+        atRule.params === '"tailwindcss/utilities"' ||
+        atRule.params === "'tailwindcss/utilities'"
+      ) {
+        atRule.name = 'tailwind'
+        atRule.params = 'utilities'
+      } else if (
+        atRule.params === '"tailwindcss/screens"' ||
+        atRule.params === "'tailwindcss/screens'" ||
+        atRule.params === '"tailwindcss/variants"' ||
+        atRule.params === "'tailwindcss/variants'"
+      ) {
+        atRule.name = 'tailwind'
+        atRule.params = 'variants'
+      }
+    }
+
+    if (atRule.name === 'tailwind') {
+      if (atRule.params === 'screens') {
+        atRule.params = 'variants'
+      }
+      tailwindDirectives.add(atRule.params)
+    }
+
+    if (['layer', 'responsive', 'variants'].includes(atRule.name)) {
+      if (['responsive', 'variants'].includes(atRule.name)) {
+        log.warn(`${atRule.name}-at-rule-deprecated`, [
+          `The \`@${atRule.name}\` directive has been deprecated in Tailwind CSS v3.0.`,
+          `Use \`@layer utilities\` or \`@layer components\` instead.`,
+          'https://tailwindcss.com/docs/upgrade-guide#replace-variants-with-layer',
+        ])
+      }
+      layerDirectives.add(atRule)
+    }
+  })
+
+  if (
+    !tailwindDirectives.has('base') ||
+    !tailwindDirectives.has('components') ||
+    !tailwindDirectives.has('utilities')
+  ) {
+    for (let rule of layerDirectives) {
+      if (rule.name === 'layer' && ['base', 'components', 'utilities'].includes(rule.params)) {
+        if (!tailwindDirectives.has(rule.params)) {
+          throw rule.error(
+            `\`@layer ${rule.params}\` is used but no matching \`@tailwind ${rule.params}\` directive is present.`
+          )
+        }
+      } else if (rule.name === 'responsive') {
+        if (!tailwindDirectives.has('utilities')) {
+          throw rule.error('`@responsive` is used but `@tailwind utilities` is missing.')
+        }
+      } else if (rule.name === 'variants') {
+        if (!tailwindDirectives.has('utilities')) {
+          throw rule.error('`@variants` is used but `@tailwind utilities` is missing.')
+        }
+      }
+    }
+  }
+
+  return { tailwindDirectives, applyDirectives }
+}
-- 
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