Fix some compile errors resutling from readonly change

extensions/grunt/src/main.ts

@@ -230,7 +230,7 @@ class TaskDetector {
 		this.detectors.clear();
 	}
 
-	private updateWorkspaceFolders(added: vscode.WorkspaceFolder[], removed: vscode.WorkspaceFolder[]): void {
+	private updateWorkspaceFolders(added: readonly vscode.WorkspaceFolder[], removed: readonly vscode.WorkspaceFolder[]): void {
 		for (let remove of removed) {
 			let detector = this.detectors.get(remove.uri.toString());
 			if (detector) {

extensions/gulp/src/main.ts

@@ -209,7 +209,7 @@ class TaskDetector {
 		this.detectors.clear();
 	}
 
-	private updateWorkspaceFolders(added: vscode.WorkspaceFolder[], removed: vscode.WorkspaceFolder[]): void {
+	private updateWorkspaceFolders(added: readonly vscode.WorkspaceFolder[], removed: readonly vscode.WorkspaceFolder[]): void {
 		for (let remove of removed) {
 			let detector = this.detectors.get(remove.uri.toString());
 			if (detector) {

extensions/html-language-features/client/src/tagClosing.ts

@@ -32,7 +32,7 @@ export function activateTagClosing(tagProvider: (document: TextDocument, positio
 		isEnabled = true;
 	}
 
-	function onDidChangeTextDocument(document: TextDocument, changes: TextDocumentContentChangeEvent[]) {
+	function onDidChangeTextDocument(document: TextDocument, changes: readonly TextDocumentContentChangeEvent[]) {
 		if (!isEnabled) {
 			return;
 		}

extensions/jake/src/main.ts

@@ -208,7 +208,7 @@ class TaskDetector {
 		this.detectors.clear();
 	}
 
-	private updateWorkspaceFolders(added: vscode.WorkspaceFolder[], removed: vscode.WorkspaceFolder[]): void {
+	private updateWorkspaceFolders(added: readonly vscode.WorkspaceFolder[], removed: readonly vscode.WorkspaceFolder[]): void {
 		for (let remove of removed) {
 			let detector = this.detectors.get(remove.uri.toString());
 			if (detector) {

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

@@ -75,7 +75,7 @@ class BufferSynchronizer {
 		}
 	}
 
-	public change(filepath: string, events: vscode.TextDocumentContentChangeEvent[]) {
+	public change(filepath: string, events: readonly vscode.TextDocumentContentChangeEvent[]) {
 		if (!events.length) {
 			return;
 		}
@@ -210,7 +210,7 @@ class SyncedBuffer {
 		this.state = BufferState.Closed;
 	}
 
-	public onContentChanged(events: vscode.TextDocumentContentChangeEvent[]): void {
+	public onContentChanged(events: readonly vscode.TextDocumentContentChangeEvent[]): void {
 		if (this.state !== BufferState.Open) {
 			console.error(`Unexpected buffer state: ${this.state}`);
 		}

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

@@ -46,7 +46,7 @@ class TagClosing extends Disposable {
 
 	private onDidChangeTextDocument(
 		document: vscode.TextDocument,
-		changes: vscode.TextDocumentContentChangeEvent[]
+		changes: readonly vscode.TextDocumentContentChangeEvent[]
 	) {
 		const activeDocument = vscode.window.activeTextEditor && vscode.window.activeTextEditor.document;
 		if (document !== activeDocument || changes.length === 0) {

src/vs/workbench/test/electron-browser/api/extHostDocumentSaveParticipant.test.ts

@@ -85,7 +85,7 @@ suite('ExtHostDocumentSaveParticipant', () => {
 			sub.dispose();
 
 			assert.ok(event);
-			assert.throws(() => { event.document = null!; });
+			assert.throws(() => { (event.document as any) = null!; });
 		});
 	});