Class PureComponent<T, S, SS>

shouldComponentUpdate

• shouldComponentUpdate(nextProps: T, nextState: S, nextContext: SS): boolean

  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: T
  • nextState: S
  • nextContext: SS

  Returns boolean