JSFiddle - React, Tailwind, and code Playground

by Andre Lee

HTML

<script src="http://www.andretw.com/[email protected]/dist/preact.js"></script>
<script src="http://andretw.com/[email protected]/dist/preact.js"></script>

Babel + JSX

/** @jsx h */
const { h, render, Component } = preact;

var notify;
var selection = 0;

class Menu extends Component {
	switch(n) {
  	selection = n;
    if (notify) notify();
  }
	render() {
  	return <SubMenu>
      <button onClick={() => this.switch(0)}>Switch to 0</button>
      <button onClick={() => this.switch(1)}>Switch to 1</button>
  	</SubMenu>
  }
}

class SubMenu extends Component {
	const children = this.props.children
	render() {
  	return <div>
    {...children}
  	</div>
  }
}

class Switcher extends Component {
	constructor () {
  	super();
    notify = () => {
    	this.setState({selection: selection});
    };
    this.state = {
    	selection: 0
    }
  }
	render() {
		return this.props.children[this.state.selection];
	}
}

class Comp0 extends Component {
	render() {
  	return <div>I'm a div</div>;
  }
}

class Comp1 extends Component {
	constructor(props) {
  	super(props);
  	this.state = {switch: false};
    setTimeout(() => this.setState({switch:true}), 100);
  }
	render() {
  	if (this.state.switch) {
    	return <span>I'm a span</span>;
     }
  	return "I'm a text";
  }
}

render(
<div>
  <Menu />
  <br />
  Selected Component:
  <Switcher>
    <Comp0 />
    <Comp1 />
  </Switcher>
</div>, document.body);