1023 B
1023 B
title | category |
---|---|
Redux | JavaScript |
Stores
import { createStore } from 'redux';
function counter(state = 0, action) {
switch (action.type) {
case 'INCREMENT':
return state + 1;
case 'DECREMENT':
return state - 1;
default:
return state;
}
}
let store = createStore(counter);
store.subscribe(() => { ... })
store.dispatch({ action })
store.getState()
store.dispatch({ type: 'INCREMENT' }); // 1
store.dispatch({ type: 'DECREMENT' }); // 10
React Redux
React.render(
<Provider store={store}>
{() => <App />}
</Provider>, mountNode)
class App extends React.Component {
render () { return <div>{this.props.message}</div> }
}
function select (state) {
return { message: state.message }
}
export default connect(select)(App);