Warn when @tailwindcss/line-clamp plugin is being used

CHANGELOG.md

@@ -37,6 +37,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Mark `rtl` and `ltr` variants as stable and remove warnings ([#10764](https://github.com/tailwindlabs/tailwindcss/pull/10764))
 - Use `inset` instead of `top`, `right`, `bottom`, and `left` properties ([#10765](https://github.com/tailwindlabs/tailwindcss/pull/10765))
 - Make `dark` and `rtl`/`ltr` variants insensitive to DOM order ([#10766](https://github.com/tailwindlabs/tailwindcss/pull/10766))
+- Warn when `@tailwindcss/line-clamp` plugin is being used ([#10862](https://github.com/tailwindlabs/tailwindcss/pull/10862))
 
 ## [3.2.7] - 2023-02-16
 

src/util/normalizeConfig.js

@@ -297,5 +297,22 @@ export function normalizeConfig(config) {
     }
   }
 
+  // Warn if the line-clamp plugin is installed
+  if (config.plugins.length > 0) {
+    let plugin
+    try {
+      plugin = require('@tailwindcss/line-clamp')
+    } catch {}
+
+    if (plugin && config.plugins.includes(plugin)) {
+      log.warn('line-clamp-in-core', [
+        `The @tailwindcs/line-clamp plugin is now part of Tailwind CSS v3.3`,
+        `Remove it from your config to silence this warning`,
+      ])
+
+      config.plugins = config.plugins.filter((p) => p !== plugin)
+    }
+  }
+
   return config
 }

standalone-cli/package.json

@@ -12,7 +12,6 @@
     "@tailwindcss/aspect-ratio": "^0.4.0",
     "@tailwindcss/container-queries": "^0.1.0",
     "@tailwindcss/forms": "^0.5.2",
-    "@tailwindcss/line-clamp": "^0.4.0",
     "@tailwindcss/typography": "^0.5.4",
     "fs-extra": "^10.1.0",
     "jest": "^27.2.5",

standalone-cli/standalone.js

@@ -1,5 +1,6 @@
 let Module = require('module')
 let origRequire = Module.prototype.require
+let log = require('tailwindcss/lib/util/log').default
 
 let localModules = {
   'tailwindcss/colors': require('tailwindcss/colors'),
@@ -11,7 +12,12 @@ let localModules = {
   '@tailwindcss/aspect-ratio': require('@tailwindcss/aspect-ratio'),
   '@tailwindcss/container-queries': require('@tailwindcss/container-queries'),
   '@tailwindcss/forms': require('@tailwindcss/forms'),
-  '@tailwindcss/line-clamp': require('@tailwindcss/line-clamp'),
+  '@tailwindcss/line-clamp': () => {
+    log.warn('line-clamp-in-core', [
+      `The @tailwindcs/line-clamp plugin is now part of Tailwind CSS v3.3`,
+      `Remove it from your config to silence this warning`,
+    ])
+  },
   '@tailwindcss/typography': require('@tailwindcss/typography'),
 
   // These are present to allow them to be specified in the PostCSS config file