Add preliminary support for v4 (#917)

* Move utls into separate file

* Move document service to separate file

* Move project-related stuff into a separate file

* Move `TW` class to separate file

* Add comment

* Refactor

* Run server in the same process

This makes the test cycle much faster because builds happen incrementally in development while vitest is running rather than having to rebuild and re-run the tests

* Refactor

* Sync lanaguage server versions

* Update types

* Use local expect for concurrent tests

* Eliminate a call into settings cache

We’d already looked up the settings immediately before this

* Start migration to feature based checks

* wip

* Refactor project detection

* Fix line endings

* Add tests for v4

wip

* Detect v4 projects

* Load v4 projects

* Add v4 support to colors, hovers, completions, and conflict diagnostics

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* Add test

* wip

* Complete @theme variables

* wip

* wip

* wip

* Fix issues with v2 projects

* Update test

* Update tests

* Re-enable test

* Use prettier to format CSS

* wip

* wip

* Fix CS

---------

Co-authored-by: Kris Braun <[email protected]>

Author: thecrypticace

package-lock.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/package.json

@@ -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!
+  }
+}