Comments (2)
- add writable like svelte/store
- change render function
- add hook
from little-vdom.
<div id="root" />
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script type="text/jsx" data-type="module">
/** @jsx h */
/** @jsxFrag Fragment */
import { h, Fragment, render, useState, useEffect, useRef } from "./little-vdom.js";
function Since({ time }) {
const [count, setCount] = useState()
const r = useRef()
useEffect(() => {
console.log('update', r.current)
const timer = setTimeout(() => {
setCount(count + 1) // update every second
}, 1000)
return () => clearTimeout(timer)
}, [count])
useEffect(() => {
console.log('mounted', r, r.current)
return () => {
console.log('unmounted')
}
}, [])
const ago = (Date.now() - time) / 1000 | 0;
return (
<>
<h1>Title</h1>
<time ref={r}>{ago}s ago</time>
</>
)
}
function App() {
const [visible, setVisible] = useState(true)
useEffect(() => {
setTimeout(() => setVisible(false), 3000)
}, [])
return <div>{visible ? <Since time={Date.now()} /> : <div>clear</div>}</div>
}
render(<App />, document.querySelector('#root'))
</script>
from little-vdom.
Related Issues (1)
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from little-vdom.