Allow launching CSS language server without args

Author: thecrypticace

packages/tailwindcss-language-server/src/language/css.ts

@@ -3,7 +3,10 @@ import { createConnection, ProposedFeatures } from 'vscode-languageserver/node'
 import { interceptLogs } from '../util/logs'
 import { CssServer } from './css-server'
 
-let connection = createConnection(ProposedFeatures.all)
+let connection =
+  process.argv.length <= 2
+    ? createConnection(ProposedFeatures.all, process.stdin, process.stdout)
+    : createConnection(ProposedFeatures.all)
 
 interceptLogs(console, connection)