Slow IntelliSense in files with 4000+ lines. Fixes #39994

extensions/css/client/src/cssMain.ts

@@ -21,7 +21,7 @@ export function activate(context: ExtensionContext) {
 	// The server is implemented in node
 	let serverModule = context.asAbsolutePath(path.join('server', 'out', 'cssServerMain.js'));
 	// The debug options for the server
-	let debugOptions = { execArgv: ['--nolazy', '--inspect=6004'] };
+	let debugOptions = { execArgv: ['--nolazy', '--inspect=6044'] };
 
 	// If the extension is launch in debug mode the debug server options are use
 	// Otherwise the run options are used

extensions/css/server/package.json

@@ -8,7 +8,7 @@
     "node": "*"
   },
   "dependencies": {
-    "vscode-css-languageservice": "^3.0.2",
+    "vscode-css-languageservice": "^3.0.3",
     "vscode-languageserver": "^3.5.0"
   },
   "devDependencies": {

extensions/css/server/src/cssServerMain.ts

@@ -122,7 +122,7 @@ function updateConfiguration(settings: Settings) {
 }
 
 let pendingValidationRequests: { [uri: string]: NodeJS.Timer } = {};
-const validationDelayMs = 200;
+const validationDelayMs = 500;
 
 // The content of a text document has changed. This event is emitted
 // when the text document first opened or when its content has changed.

extensions/css/server/yarn.lock

@@ -6,9 +6,9 @@
   version "7.0.43"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.43.tgz#a187e08495a075f200ca946079c914e1a5fe962c"
 
-vscode-css-languageservice@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.2.tgz#ae0c43836318455aa290c777556394d6127b8f6c"
+vscode-css-languageservice@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.3.tgz#02cc4efa5335f5104e0a2f3b6920faaf59db4f7a"
   dependencies:
     vscode-languageserver-types "3.5.0"
     vscode-nls "^2.0.1"