Child Context

react-redux, react-router used

 

1.do not use Context

2.parent：function getChildContext，static childContextTypes，child：static contextTypes

3.lifecircle hook

• constructor(props, context)
• componentWillReceiveProps(nextProps, nextContext)
• shouldComponentUpdate(nextProps, nextState, nextContext)
• componentWillUpdate(nextProps, nextState, nextContext)

 

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

 

https://medium.com/@mweststrate/how-to-safely-use-react-context-b7e343eff076