So I'd like to implement a loading bar just like github has. It should start loading on a click to another page and finish when it arrived.
I'm using material-ui and for the loader react-progress-bar-plus.
I tried to use react-router's lifecycle hooks, namely componentDidUpdate and componentWillReceiveProps to set the state to be finished.
For start, I attached an onTouchTap function to the menu items but it just does not want to work properly.
What is the best way to implement this feature?
You can use router-resolver with react-progress-bar-plus. See this example: http://minhtranite.github.io/router-resolver/ex-4
The usage example:
// app.js
//...
import {RouterResolver} from 'router-resolver';
//...
const routes = {
path: '/',
component: App,
indexRoute: {
component: require('components/pages/PageHome')
},
childRoutes: [
require('./routes/Example1Route'),
require('./routes/Example2Route'),
require('./routes/Example3Route')
]
};
const renderInitial = () => {
return <div>Loading...</div>;
};
const onError = (error) => {
console.log('Error: ', error);
};
ReactDOM.render(
<Router routes={routes}
history={history}
render={props => (
<RouterResolver {...props} renderInitial={renderInitial} onError={onError}/>
)}/>,
document.getElementById('app')
);
And:
// components/pages/PageExample1.js
import React from 'react';
import Document from 'components/common/Document';
class PageExample1 extends React.Component {
static resolve() {
return new Promise((resolve) => {
setTimeout(() => {
resolve('simple data');
}, 2000);
});
};
static propTypes = {
response: React.PropTypes.string.isRequired
};
render() {
return (
<Document title='Example1 | Router resolver' className='page-ex-1'>
<h1>Example 1: {this.props.response}</h1>
</Document>
);
}
}
export default PageExample1;
I made a small package react-router-loading that allows you to show loading indicator and fetch some data before switching the screen.
Just use Switch and Route from this package instead of react-router-dom:
import { Switch, Route } from "react-router-loading";
Add loading props to the Route where you want to wait something:
<Route path="/my-component" component={MyComponent} loading/>
And then somewhere at the end of fetch logic in MyComponent add loadingContext.done();:
import { LoadingContext } from "react-router-loading";
const loadingContext = useContext(LoadingContext);
const loading = async () => {
//fetching some data
//call method to indicate that fetching is done and we are ready to switch
loadingContext.done();
};
