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API > @angular/core

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>
}

Methods

createRenderer()

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
Parameters
hostElement any

The element to render.
type RendererType2

The base class to implement.
Returns

Renderer2: The new custom renderer instance.

begin()

A callback invoked when rendering has begun.
abstract begin()?: void
      
      abstract begin()?: void
Parameters

There are no parameters.

Returns

void

end()

A callback invoked when rendering has completed.
abstract end()?: void
      
      abstract end()?: void
Parameters

There are no parameters.

Returns

void

whenRenderingDone()

Use with animations test-only mode. Notifies the test when rendering has completed.
abstract whenRenderingDone()?: Promise<any>
      
      abstract whenRenderingDone()?: Promise<any>
Parameters

There are no parameters.

Returns

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