Web / ReactJS
What are Higher-order components in React?
A higher-order component is a function that takes a component and returns a new component. Higher-order components enable code reuse and ideal for cross-cutting patterns. HOC may be used to add functionality to components.
An ideal example of HOC is connect() function in React Redux, that provides state capability to any component.
const HomeScreen = ({ navigation }) => {
return (
<SafeAreaView>
...
</SafeAreaView>
)
}
const mapDispatchToProps = dispatch => (
bindActionCreators({
logout
}, dispatch)
);
const mapStateToProps = (state) => {
console.log("mapStateTOPROps ran", state)
const { subjects } = state
return { subjects }
};
export default connect(mapStateToProps, mapDispatchToProps)(HomeScreen)
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