API Reference > ui-ninezone > Backstage > Backstage Backstage<S, SS> Class Beta Backstage component of 9-Zone UI app. Extends PureComponent<BackstageProps> Methods Name Description componentDidMount(): void componentWillUnmount(): void render(): Element Inherited methods Name Inherited from Description UNSAFE_componentWillMount(): void Optional DeprecatedLifecycle Called immediately before mounting occurs, and before Component#render. UNSAFE_componentWillReceiveProps(nextProps: Readonly<BackstageProps>, nextContext: any): void Optional DeprecatedLifecycle Called when the component may be receiving new props. UNSAFE_componentWillUpdate(nextProps: Readonly<BackstageProps>, nextState: Readonly<S>, nextContext: any): void Optional DeprecatedLifecycle Called immediately before rendering when new props or state is received. componentDidCatch(error: Error, errorInfo: ErrorInfo): void Optional ComponentLifecycle Catches exceptions generated in descendant components. componentDidUpdate(prevProps: Readonly<BackstageProps>, prevState: Readonly<S>, snapshot?: SS): void Optional NewLifecycle Called immediately after updating occurs. componentWillMount(): void Optional DeprecatedLifecycle Called immediately before mounting occurs, and before Component#render. componentWillReceiveProps(nextProps: Readonly<BackstageProps>, nextContext: any): void Optional DeprecatedLifecycle Called when the component may be receiving new props. componentWillUpdate(nextProps: Readonly<BackstageProps>, nextState: Readonly<S>, nextContext: any): void Optional DeprecatedLifecycle Called immediately before rendering when new props or state is received. getSnapshotBeforeUpdate(prevProps: Readonly<BackstageProps>, prevState: Readonly<S>): SS | null Optional NewLifecycle Runs before React applies the result of render to the document, and shouldComponentUpdate(nextProps: Readonly<BackstageProps>, nextState: Readonly<S>, nextContext: any): boolean Optional ComponentLifecycle Called to determine whether the change in props and state should trigger a re-render. Object Literals Name Description defaultProps Static Defined in ui/ninezone/src/ui-ninezone/backstage/Backstage.tsx Line 43 Last Updated: 13 June, 2024