Hierarchy

  • default<MarkerProps>
    • Marker

Constructors

  • Parameters

    • props: MarkerProps | Readonly<MarkerProps>

    Returns Marker

  • Parameters

    • props: MarkerProps
    • context: any

    Returns Marker

Properties

context: unknown

If using the new style context, re-declare this in your class to be the React.ContextType of your static contextType. Should be used with type annotation or static contextType.

static contextType = MyContext
// For TS pre-3.7:
context!: React.ContextType<typeof MyContext>
// For TS 3.7 and above:
declare context: React.ContextType<typeof MyContext>

See

https://reactjs.org/docs/context.html

mounted: boolean = false
name: string = name
props: Readonly<MarkerProps>
refs: {
    [key: string]: ReactInstance;
}

Type declaration

  • [key: string]: ReactInstance
state: Readonly<{}>
contextType?: Context<any>

If set, this.context will be set at runtime to the current value of the given Context.

Usage:

type MyContext = number
const Ctx = React.createContext<MyContext>(0)

class Foo extends React.Component {
static contextType = Ctx
context!: React.ContextType<typeof Ctx>
render () {
return <>My context's value: {this.context}</>;
}
}

See

https://reactjs.org/docs/context.html#classcontexttype

Methods

  • Called when the component may be receiving new props. React may call this even if props have not changed, so be sure to compare new and existing props if you only want to handle changes.

    Calling Component#setState generally does not trigger this method.

    This method will not stop working in React 17.

    Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps prevents this from being invoked.

    Deprecated

    16.3, use static getDerivedStateFromProps instead

    See

    Parameters

    • nextProps: Readonly<MarkerProps>
    • nextContext: any

    Returns void

  • Catches exceptions generated in descendant components. Unhandled exceptions will cause the entire component tree to unmount.

    Parameters

    • error: Error
    • errorInfo: ErrorInfo

    Returns void

  • Returns void

  • Returns void

  • Returns void

  • Parameters

    • Optional callback: (() => void)
        • (): void
        • Returns void

    Returns void

  • Runs before React applies the result of render to the document, and returns an object to be given to componentDidUpdate. Useful for saving things such as scroll position before render causes changes to it.

    Note: the presence of getSnapshotBeforeUpdate prevents any of the deprecated lifecycle events from running.

    Parameters

    • prevProps: Readonly<MarkerProps>
    • prevState: Readonly<{}>

    Returns any

  • 调用原生方法

    Parameters

    • name: string
    • Optional params: any[]

    Returns void

  • Type Parameters

    • K extends never

    Parameters

    • state: null | {} | ((prevState: Readonly<{}>, props: Readonly<MarkerProps>) => null | {} | Pick<{}, K>) | Pick<{}, K>
    • Optional callback: (() => void)
        • (): void
        • Returns void

    Returns void

  • Called to determine whether the change in props and state should trigger a re-render.

    Component always returns true. PureComponent implements a shallow comparison on props and state and returns true if any props or states have changed.

    If false is returned, Component#render, componentWillUpdate and componentDidUpdate will not be called.

    Parameters

    • nextProps: Readonly<MarkerProps>
    • nextState: Readonly<{}>
    • nextContext: any

    Returns boolean

  • 触发自定义 view 更新

    通常来说,不需要主动调用该方法,对于 android,如果自定义 view 存在异步更新, 例如,包含一个引用了网络图片的 ,则需要在 view 更新后主动调用该方法触发 icon 更新。

    Returns void

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