React
by Daniel Lizik
HTML
<div id="app"></div>
CSS
body {
background: #20262E;
padding: 20px;
font-family: Helvetica;
}
#app {
background: #fff;
border-radius: 4px;
padding: 20px;
transition: all 0.2s;
}
li {
margin: 8px 0;
}
h2 {
font-weight: bold;
margin-bottom: 15px;
}
.done {
color: rgba(0, 0, 0, 0.3);
text-decoration: line-through;
}
input {
margin-right: 5px;
}
React
const Context = React.createContext();
class MenuProvider extends React.Component {
render() {
return (
<Context.Provider value={this.state}>
{this.props.children}
</Context.Provider>
);
}
}
class MenuOutlet extends React.Component {
render() {
return (
<div>outlet</div>
);
}
}
const MenuTrigger = (props) => (
<div onClick={() => alert(1)}>
{props.children}
</div>
);
const ConnectTrigger = (props) => WrappedComponent = (
<WrappedComponent {...props} />
);
const ApplesMenu = () => (
<div>apple menu</div>
);
const WithTrigger =
class App extends React.Component {
render() {
return (
<MenuProvider>
<MenuOutlet />
<ConnectTrigger />
<MenuTrigger val="foo" component={ApplesMenu}>click this</MenuTrigger>
<div>cannot click this</div>
</MenuProvider>
)
}
}
ReactDOM.render(<App />, document.querySelector("#app"))