textmode.js / errors / ErrorLayerController

Class: ErrorLayerController

Controls the dedicated internal error layer lifecycle and rendering behavior.

Extends

• InternalLayerController<ErrorScreenRendererContext>

Constructors

Constructor

new ErrorLayerController(textmodifier): ErrorLayerController;

Initializes a new ErrorLayerController.

Parameters

Parameter	Type	Description
textmodifier	Textmodifier	Textmodifier instance to render on.

Returns

ErrorLayerController

Overrides

InternalLayerController<ErrorScreenRendererContext>.constructor

Properties

_isInitialized

_isInitialized: boolean = false;

Indicates whether the internal layer has been initialized and is ready for rendering. Prevents rendering and resource access before the layer is fully set up.

Inherited from

InternalLayerController._isInitialized

---

_layer

_layer: TextmodeLayer;

The internal layer instance managed by this controller. Guaranteed to be initialized and available after the controller's _initialize method resolves.

Inherited from

InternalLayerController._layer

Accessors

_shouldRender

Get Signature

get _shouldRender(): boolean;

Indicates whether the error layer should render this frame.

Returns

boolean

Methods

_dispose()

_dispose(): void;

Dispose of the error layer controller and clean up resources.

Returns

void

Overrides

InternalLayerController._dispose

---

_initialize()

_initialize(): Promise<void>;

Initialize error layer resources. Must be called after the renderer is ready.

Returns

Promise<void>

Overrides

InternalLayerController._initialize

---

_renderFrame()

_renderFrame(): void;

Render a single error layer frame. Called by the main render loop when the error layer is active.

Returns

void

---

_setError()

_setError(error): void;

Set the current error payload and activate the error layer.

Parameters

Parameter	Type	Description
error	unknown	Error object, string message, or unknown thrown payload.

Returns

void

---

draw()

draw(callback?): void;

Overridable method to set a custom draw callback for rendering the internal layer. If not set, the layer will use the default template.

Parameters

Parameter	Type	Description
callback?	(context) => void

Returns

void

Inherited from

InternalLayerController.draw