Interface Event<T>

The event interface.

interface Event<T> {
effects?: ((widget, ...arg) => any)[];
operation: ((widget, effect, element) => void);
}

Type Parameters

T

Index

Properties

effects? operation

Properties

`Optional` effects

effects?: ((widget, ...arg) => any)[]

The effect function of this event. Only used in the widget-based event.

Type declaration

- (widget, ...arg): any
- Parameters
  - widget: Widget
  - Rest ...arg: any[]
  Returns any

Param: widget

The widget's self.

Param: args

The external arguments.

Returns

operation

operation: ((widget, effect, element) => void)

The operation when set event.

Type declaration

- (widget, effect, element): void
- Parameters
  - widget: T
    The widget's self.
  - effect: ((widget, ...arg) => any)
    The effect function of this widget.
    - (widget, ...arg): any
      Parameters
      widget: Widget
      Rest ...arg: any[]
      Returns any
  - element: HTMLCanvasElement
    The canvas element of this app.
  Returns void

Returns