Required options

src/browser/TestUtils.test.ts

@@ -141,7 +141,7 @@ export class MockTerminal implements ITerminal {
   public renderer!: IRenderer;
   public linkifier2!: ILinkifier2;
   public isFocused!: boolean;
-  public options: ITerminalOptions = {};
+  public options!: Required<ITerminalOptions>;
   public element!: HTMLElement;
   public screenElement!: HTMLElement;
   public rowContainer!: HTMLElement;

src/browser/Types.d.ts

@@ -16,7 +16,7 @@ export interface ITerminal extends IPublicTerminal, ICoreTerminal {
   browser: IBrowser;
   buffer: IBuffer;
   viewport: IViewport | undefined;
-  options: ITerminalOptions;
+  options: Required<ITerminalOptions>;
   linkifier2: ILinkifier2;
 
   onBlur: IEvent<void>;

src/browser/public/Terminal.ts

@@ -24,7 +24,7 @@ export class Terminal implements ITerminalApi {
   private _addonManager: AddonManager;
   private _parser: IParser | undefined;
   private _buffer: BufferNamespaceApi | undefined;
-  private _publicOptions: ITerminalOptions;
+  private _publicOptions: Required<ITerminalOptions>;
 
   constructor(options?: ITerminalOptions) {
     this._core = new TerminalCore(options);
@@ -123,7 +123,7 @@ export class Terminal implements ITerminalApi {
       wraparoundMode: m.wraparound
     };
   }
-  public get options(): ITerminalOptions {
+  public get options(): Required<ITerminalOptions> {
     return this._publicOptions;
   }
   public set options(options: ITerminalOptions) {