RendererFactory2

Creates and initializes a custom renderer that implements the Renderer2 base class.

      
      abstract class RendererFactory2 {
  abstract createRenderer(hostElement: any, type: RendererType2): Renderer2
  abstract begin()?: void
  abstract end()?: void
  abstract whenRenderingDone()?: Promise<any>
}
    

方法

Creates and initializes a custom renderer for a host DOM element.

abstract createRenderer(hostElement: any, type: RendererType2): Renderer2
      
      abstract createRenderer(hostElement: any, type: RendererType2): Renderer2
    
参数
hostElement any

The element to render.

type RendererType2

The base class to implement.

返回值

Renderer2: The new custom renderer instance.

A callback invoked when rendering has begun.

abstract begin()?: void
      
      abstract begin()?: void
    
参数

没有参数。

返回值

void

A callback invoked when rendering has completed.

abstract end()?: void
      
      abstract end()?: void
    
参数

没有参数。

返回值

void

Use with animations test-only mode. Notifies the test when rendering has completed.

abstract whenRenderingDone()?: Promise<any>
      
      abstract whenRenderingDone()?: Promise<any>
    
参数

没有参数。

返回值

Promise<any>: The asynchronous result of the developer-defined function.