diff --git a/extensions/typescript-language-features/src/languageFeatures/completions.ts b/extensions/typescript-language-features/src/languageFeatures/completions.ts
index a46835aa90773..708d7e028dd1b 100644
--- a/extensions/typescript-language-features/src/languageFeatures/completions.ts
+++ b/extensions/typescript-language-features/src/languageFeatures/completions.ts
@@ -188,7 +188,7 @@ class MyCompletionItem extends vscode.CompletionItem {
 				]
 			};
 			const response = await client.interruptGetErr(() => client.execute('completionEntryDetails', args, requestToken.token));
-			if (response.type !== 'response' || !response.body || !response.body.length) {
+			if (response.type !== 'response' || !response.body?.length) {
 				return undefined;
 			}
 
@@ -766,7 +766,7 @@ class TypeScriptCompletionItemProvider implements vscode.CompletionItemProvider<
 					dotAccessorContext = { range, text };
 				}
 			}
-			isIncomplete = !!response.body.isIncomplete || (response as any).metadata && (response as any).metadata.isIncomplete;
+			isIncomplete = !!response.body.isIncomplete || (response.metadata as any)?.isIncomplete;
 			entries = response.body.entries;
 			metadata = response.metadata;
 
diff --git a/extensions/typescript-language-features/src/task/taskProvider.ts b/extensions/typescript-language-features/src/task/taskProvider.ts
index c1b1438560348..3cf0e3328fa09 100644
--- a/extensions/typescript-language-features/src/task/taskProvider.ts
+++ b/extensions/typescript-language-features/src/task/taskProvider.ts
@@ -53,7 +53,7 @@ class TscTaskProvider extends Disposable implements vscode.TaskProvider {
 
 	public async provideTasks(token: vscode.CancellationToken): Promise<vscode.Task[]> {
 		const folders = vscode.workspace.workspaceFolders;
-		if ((this.autoDetect === AutoDetect.off) || !folders || !folders.length) {
+		if ((this.autoDetect === AutoDetect.off) || !folders?.length) {
 			return [];
 		}
 
diff --git a/extensions/typescript-language-features/src/utils/objects.ts b/extensions/typescript-language-features/src/utils/objects.ts
index a31467bd8d664..88c5a435e1c88 100644
--- a/extensions/typescript-language-features/src/utils/objects.ts
+++ b/extensions/typescript-language-features/src/utils/objects.ts
@@ -9,6 +9,7 @@ export function equals(one: any, other: any): boolean {
 	if (one === other) {
 		return true;
 	}
+	// eslint-disable-next-line @typescript-eslint/prefer-optional-chain
 	if (one === null || one === undefined || other === null || other === undefined) {
 		return false;
 	}