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April 12, 2018 01:12
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import React from "react"; | |
import pathToRegexp from "path-to-regexp"; | |
function Home() { | |
return <h1>Home</h1>; | |
} | |
function About() { | |
return <h1>About</h1>; | |
} | |
function Contact() { | |
return <h1>Contact</h1>; | |
} | |
function Inbox({ match, params }) { | |
return ( | |
<div> | |
<h1>Inbox</h1> | |
<Message key={params.id}/> | |
<div> | |
{params.id ? <p>Now showing message {params.id}</p> : null} | |
</div> | |
</div> | |
); | |
} | |
const RoutingContext = React.createContext(); | |
class Router extends React.Component { | |
state = { | |
location: window.location | |
}; | |
push = url => { | |
window.history.pushState(null, null, url); | |
this.setState({ location: window.location }); | |
}; | |
handlePopState = () => { | |
this.setState({ location: window.location }); | |
}; | |
componentDidMount() { | |
window.addEventListener("popstate", this.handlePopState); | |
} | |
componentWillUnmount() { | |
window.removeEventListener("popstate", this.handlePopState); | |
} | |
render() { | |
const { location } = this.state; | |
return ( | |
<RoutingContext.Provider | |
{...this.props} | |
value={{ location, push: this.push }} | |
/> | |
); | |
} | |
} | |
function Route({ path, component: Component }) { | |
const keys = []; | |
const regexp = pathToRegexp(path, keys); | |
return ( | |
<RoutingContext.Consumer> | |
{({ location }) => { | |
const match = regexp.exec(location.pathname); | |
if (match) { | |
const params = keys.reduce((memo, key, index) => { | |
memo[key.name] = match[index + 1]; | |
return memo; | |
}, {}); | |
return <Component match={match} params={params} />; | |
} | |
return null; | |
}} | |
</RoutingContext.Consumer> | |
); | |
} | |
function Link(props) { | |
const { to, ...anchorProps } = props; | |
return ( | |
<RoutingContext.Consumer> | |
{({ push }) => ( | |
<a | |
{...anchorProps} | |
href={to} | |
onClick={event => { | |
event.preventDefault(); | |
push(to); | |
}} | |
/> | |
)} | |
</RoutingContext.Consumer> | |
); | |
} | |
class App extends React.Component { | |
render() { | |
return ( | |
<Router> | |
<div> | |
<h1>Welcome to the app!</h1> | |
<nav> | |
<ul> | |
<li> | |
<Link to="/about">About Us</Link> | |
</li> | |
<li> | |
<Link to="/contact">Contact Us</Link> | |
</li> | |
<li> | |
<Link to="/">Home</Link> | |
</li> | |
</ul> | |
</nav> | |
<Redirect to="..."/> | |
<Route path="/about" component={About} /> | |
<Route path="/contact" component={Contact} /> | |
<ParentRoute path="/" component={Home} /> | |
</div> | |
</Router> | |
); | |
} | |
} | |
export default App; | |
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Thanks for sharing! @mjackson