Add preliminary support for v4

packages/tailwindcss-language-server/package.json

@@ -37,6 +37,7 @@
     "@tailwindcss/aspect-ratio": "0.4.2",
     "@tailwindcss/container-queries": "0.1.0",
     "@tailwindcss/forms": "0.5.3",
+    "@tailwindcss/language-service": "*",
     "@tailwindcss/line-clamp": "0.4.2",
     "@tailwindcss/typography": "0.5.7",
     "@types/debounce": "1.2.0",
@@ -65,18 +66,19 @@
     "postcss": "8.4.31",
     "postcss-load-config": "3.0.1",
     "postcss-selector-parser": "6.0.2",
-    "prettier": "2.3.0",
+    "prettier": "^2.8.8",
     "resolve": "1.20.0",
     "rimraf": "3.0.2",
     "stack-trace": "0.0.10",
     "tailwindcss": "3.4.1",
-    "@tailwindcss/language-service": "*",
     "typescript": "5.3.3",
+    "vite-tsconfig-paths": "^4.3.1",
     "vitest": "^1.1.2",
     "vscode-css-languageservice": "6.2.9",
-    "vscode-jsonrpc": "8.1.0",
-    "vscode-languageserver": "8.0.2",
-    "vscode-languageserver-textdocument": "1.0.7",
+    "vscode-jsonrpc": "8.2.0",
+    "vscode-languageclient": "8.1.0",
+    "vscode-languageserver": "8.1.0",
+    "vscode-languageserver-textdocument": "1.0.11",
     "vscode-uri": "3.0.2"
   },
   "prettier": {

packages/tailwindcss-language-server/src/cache-map.ts

@@ -0,0 +1,10 @@
+export class CacheMap<TKey = string, TValue = any> extends Map<TKey, TValue> {
+  remember(key: TKey, factory: (key: TKey) => TValue): TValue {
+    let value = super.get(key)
+    if (!value) {
+      value = factory(key)
+      this.set(key, value)
+    }
+    return value!
+  }
+}