Class ObservedComponent<Props, Context, State, Snapshot>Abstract

observedContext

observedProps

observedState

componentDidMount

• componentDidMount(): void

  Called immediately after a component is mounted. Setting state here will trigger re-rendering.

  Returns void

componentDidUpdate

• componentDidUpdate(
      prevProps: Readonly<Props>,
      prevState: Readonly<State>,
      snapshot?: Snapshot,
  ): void

  Called immediately after updating occurs. Not called for the initial render.

  The snapshot is only present if getSnapshotBeforeUpdate is present and returns non-null.

  Parameters

  • prevProps: Readonly<Props>
  • prevState: Readonly<State>
  • Optionalsnapshot: Snapshot

  Returns void

componentWillUnmount

• componentWillUnmount(): void

  Called immediately before a component is destroyed. Perform any necessary cleanup in this method, such as cancelled network requests, or cleaning up any DOM elements created in componentDidMount.

  Returns void