Make sure we do not enable JS/TS language features on live share clients

For #104180

extensions/typescript-language-features/src/lazyClientHost.ts

@@ -11,6 +11,7 @@ import { TsServerProcessFactory } from './tsServer/server';
 import { ITypeScriptVersionProvider } from './tsServer/versionProvider';
 import TypeScriptServiceClientHost from './typeScriptServiceClientHost';
 import { flatten } from './utils/arrays';
+import * as fileSchemes from './utils/fileSchemes';
 import { standardLanguageDescriptions } from './utils/languageDescription';
 import { lazy, Lazy } from './utils/lazy';
 import ManagedFileContextManager from './utils/managedFileContext';
@@ -85,5 +86,6 @@ function isSupportedDocument(
 	supportedLanguage: readonly string[],
 	document: vscode.TextDocument
 ): boolean {
-	return supportedLanguage.indexOf(document.languageId) >= 0;
+	return supportedLanguage.indexOf(document.languageId) >= 0
+		&& !fileSchemes.disabledSchemes.has(document.uri.scheme);
 }

extensions/typescript-language-features/src/typescriptServiceClient.ts

@@ -636,6 +636,10 @@ export default class TypeScriptServiceClient extends Disposable implements IType
 	}
 
 	public normalizedPath(resource: vscode.Uri): string | undefined {
+		if (fileSchemes.disabledSchemes.has(resource.scheme)) {
+			return undefined;
+		}
+
 		switch (resource.scheme) {
 			case fileSchemes.file:
 				{
@@ -648,10 +652,6 @@ export default class TypeScriptServiceClient extends Disposable implements IType
 					// Both \ and / must be escaped in regular expressions
 					return result.replace(new RegExp('\\' + this.pathSeparator, 'g'), '/');
 				}
-			case fileSchemes.git:
-				{
-					return undefined;
-				}
 			default:
 				{
 					return this.inMemoryResourcePrefix + resource.toString(true);
@@ -665,7 +665,9 @@ export default class TypeScriptServiceClient extends Disposable implements IType
 
 	public toOpenedFilePath(document: vscode.TextDocument): string | undefined {
 		if (!this.bufferSyncSupport.ensureHasBuffer(document.uri)) {
-			console.error(`Unexpected resource ${document.uri}`);
+			if (!fileSchemes.disabledSchemes.has(document.uri.scheme)) {
+				console.error(`Unexpected resource ${document.uri}`);
+			}
 			return undefined;
 		}
 		return this.toPath(document.uri) || undefined;

extensions/typescript-language-features/src/utils/fileSchemes.ts

@@ -6,9 +6,19 @@
 export const file = 'file';
 export const untitled = 'untitled';
 export const git = 'git';
+/** Live share scheme */
+export const vsls = 'vsls';
 export const walkThroughSnippet = 'walkThroughSnippet';
 
 export const semanticSupportedSchemes = [
 	file,
 	untitled,
 ];
+
+/**
+ * File scheme for which JS/TS language feature should be disabled
+ */
+export const disabledSchemes = new Set([
+	git,
+	vsls
+]);