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    Class Component

    Base class that mimics React.Component (stateful component with lifecycle hooks). Extend this class to implement render() and (optionally) override lifecycle methods.

    These user functions and members are supported:

    static defaultProps

render() {}

componentWillReceiveProps (nextProps)
componentWillUpdate (nextProps, nextState)
componentDidCatch (error, info) 	
componentDidMount () 			
componentDidUpdate (prevProps, prevState, lastSnapshot) 
componentWillUnmount () 
getSnapshotBeforeUpdate (prevProps, prevState) 
shouldComponentUpdate (nextProps, nextState) 

static getDerivedStateFromError (error) {}
static getDerivedStateFromProps (props, state) {}

    For more details see official React documentation.

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Accessors

    context key props ref state type

    Methods

    displayName forceUpdate setState

    Constructors

    • Parameters

      • props: any

      Returns Component

    Accessors

    • get context(): any
      Protected

      Component context.

      Returns any

    • set context(v: any): void

      Parameters

      • v: any

      Returns void

    • get key(): string | number

      A unique identifier for the component instance. The key is immutable and can only be set when the component is declared.

      Returns string | number

    • set key(v: string | number): void

      Parameters

      • v: string | number

      Returns void

    • get props(): any

      Props passed into the component instance. Use it as read-only input when rendering.

      Returns any

    • set props(v: any): void

      Parameters

      • v: any

      Returns void

    • get ref(): any

      A reference associated with the component to be used with useRef. Can be used to expose the component instance or an underlying DOM node.

      Returns any

    • set ref(v: any): void

      Parameters

      • v: any

      Returns void

    • get state(): object

      Component state used to drive rendering. Update it with setState() to trigger a re-render.

      Returns object

    • set state(v: object): void

      Parameters

      • v: object

      Returns void

    • get type(): any

      Component context value. Use it to access shared data provided by an outer component/system.

      Returns any

    • set type(v: any): void

      Parameters

      • v: any

      Returns void

    Methods

    • The displayed name for the component. It is overridable. It can also be set for function components.

      Returns any

    • Force the component to re-render even if no state/props change. Useful for imperative updates.

      Parameters

      • callback: any

      Returns void

    • Update component state. Accepts a partial state (or a function returning partial state) and schedules a re-render.

      Parameters

      • next_state: any
      • callback: any

        to called after updates.

      Returns void

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