Files
bsky-social-app/src/Splash.web.tsx
T
Samuel Newman 8c4820b1f1 [Web] Fix splash flicker and add animation (#9860)
* manually hide non-React splash logo

* tweak comment

* animate out splash
2026-02-11 19:52:22 -06:00

98 lines
2.8 KiB
TypeScript

/*
* This is a reimplementation of what exists in our HTML template files
* already. Once the React tree mounts, this is what gets rendered first, until
* the app is ready to go.
*/
import {useEffect, useRef, useState} from 'react'
import Svg, {Path} from 'react-native-svg'
import {atoms as a, flatten} from '#/alf'
const size = 100
const ratio = 57 / 64
export function Splash({
isReady,
children,
}: React.PropsWithChildren<{
isReady: boolean
}>) {
const [isAnimationComplete, setIsAnimationComplete] = useState(false)
const splashRef = useRef<HTMLDivElement>(null)
// hide the static one that's baked into the HTML - gets replaced by our React version below
useEffect(() => {
// double rAF ensures that the React version gets painted first
requestAnimationFrame(() => {
requestAnimationFrame(() => {
const splash = document.getElementById('splash')
if (splash) {
splash.remove()
}
})
})
}, [])
// when ready, we fade/scale out
useEffect(() => {
if (!isReady) return
const reduceMotion = window.matchMedia(
'(prefers-reduced-motion: reduce)',
).matches
const node = splashRef.current
if (!node || reduceMotion) {
setIsAnimationComplete(true)
return
}
const animation = node.animate(
[
{opacity: 1, transform: 'scale(1)'},
{opacity: 0, transform: 'scale(1.5)'},
],
{
duration: 300,
easing: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
fill: 'forwards',
},
)
animation.onfinish = () => setIsAnimationComplete(true)
return () => {
animation.cancel()
}
}, [isReady])
return (
<>
{isReady && children}
{!isAnimationComplete && (
<div
ref={splashRef}
style={flatten([
a.fixed,
a.inset_0,
a.flex,
a.align_center,
a.justify_center,
// to compensate for the `top: -50px` below
{transformOrigin: 'center calc(50% - 50px)'},
])}>
<Svg
fill="none"
viewBox="0 0 64 57"
style={[a.relative, {width: size, height: size * ratio, top: -50}]}>
<Path
fill="#006AFF"
d="M13.873 3.805C21.21 9.332 29.103 20.537 32 26.55v15.882c0-.338-.13.044-.41.867-1.512 4.456-7.418 21.847-20.923 7.944-7.111-7.32-3.819-14.64 9.125-16.85-7.405 1.264-15.73-.825-18.014-9.015C1.12 23.022 0 8.51 0 6.55 0-3.268 8.579-.182 13.873 3.805ZM50.127 3.805C42.79 9.332 34.897 20.537 32 26.55v15.882c0-.338.13.044.41.867 1.512 4.456 7.418 21.847 20.923 7.944 7.111-7.32 3.819-14.64-9.125-16.85 7.405 1.264 15.73-.825 18.014-9.015C62.88 23.022 64 8.51 64 6.55c0-9.818-8.578-6.732-13.873-2.745Z"
/>
</Svg>
</div>
)}
</>
)
}