HostController interface

@microsoft/fast-element > HostController

HostController interface

Controls the lifecycle and context of behaviors and styles associated with a component host.

Signature:

export interface HostController<TSource = any> extends ExpressionController<TSource> 

Extends: ExpressionController<TSource>

Properties

Property	Modifiers	Type	Description
isConnected	readonly	boolean	Indicates whether the host is connected or not.
mainStyles		ElementStyles | null	The main set of styles used for the component, independent of any behavior-specific styles.

Methods

Method	Description
addBehavior(behavior)	Adds the behavior to the component.
addStyles(styles)	Adds styles to this element. Providing an HTMLStyleElement will attach the element instance to the shadowRoot.
removeBehavior(behavior, force)	Removes the behavior from the component.
removeStyles(styles)	Removes styles from this element. Providing an HTMLStyleElement will detach the element instance from the shadowRoot.