How to dispatch an action on load?
You can dispatch an action in componentDidMount() method and in render() method you can verify the data.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | class App extends Component { componentDidMount() { this.props.fetchData() } render() { return this.props.isLoaded ? <div>{'Loaded'}</div> : <div>{'Not Loaded'}</div> } } const mapStateToProps = (state) => ({ isLoaded: state.isLoaded }) const mapDispatchToProps = { fetchData } export default connect(mapStateToProps, mapDispatchToProps)(App) |
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