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Original file line number | Diff line number | Diff line change |
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<html> | ||
<head> | ||
<style> | ||
body { | ||
padding: 100px; | ||
margin: 0; | ||
} | ||
|
||
#box { | ||
width: 100px; | ||
height: 100px; | ||
background-color: #0077ff; | ||
} | ||
|
||
[data-layout-correct="false"] { | ||
background: #dd1144 !important; | ||
opacity: 1 !important; | ||
} | ||
</style> | ||
</head> | ||
<body> | ||
<div id="root"></div> | ||
<script src="../../node_modules/react/umd/react.development.js"></script> | ||
<script src="../../node_modules/react-dom/umd/react-dom.development.js"></script> | ||
<script src="../../node_modules/react-dom/umd/react-dom-server-legacy.browser.development.js"></script> | ||
<script src="../../packages/framer-motion/dist/framer-motion.dev.js"></script> | ||
<script src="../projection/script-assert.js"></script> | ||
|
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<script> | ||
const { | ||
motion, | ||
animateStyle, | ||
startOptimizedAppearAnimation, | ||
optimizedAppearDataAttribute, | ||
motionValue, | ||
} = window.Motion | ||
const { matchOpacity } = window.Assert | ||
const root = document.getElementById("root") | ||
|
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const duration = 0.5 | ||
|
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// This is the tree to be rendered "server" and client-side. | ||
const Component = React.createElement(() => { | ||
React.useLayoutEffect(() => { | ||
const startTime = performance.now() | ||
while (performance.now() - startTime < 100) {} | ||
}) | ||
|
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return React.createElement(motion.div, { | ||
id: "box", | ||
initial: { opacity: 0 }, | ||
animate: { opacity: 1 }, | ||
transition: { duration, ease: "linear" }, | ||
/** | ||
* On animation start, check the values we expect to see here | ||
*/ | ||
onAnimationStart: () => { | ||
const { opacity: initialOpacity } = | ||
window.getComputedStyle(box) | ||
const opacityAsNumber = parseFloat(initialOpacity) | ||
if (opacityAsNumber < 0.4 || opacityAsNumber > 0.6) { | ||
showError( | ||
box, | ||
`opacity should be roughly less than 0.5 at animation start` | ||
) | ||
} | ||
}, | ||
[optimizedAppearDataAttribute]: "a", | ||
}) | ||
}) | ||
|
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// Emulate server rendering of element | ||
root.innerHTML = ReactDOMServer.renderToString(Component) | ||
|
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startOptimizedAppearAnimation( | ||
document.getElementById("box"), | ||
"opacity", | ||
[0, 1], | ||
{ | ||
duration: duration * 1000, | ||
ease: "linear", | ||
}, | ||
(animation) => { | ||
// Hydrate root mid-way through animation | ||
setTimeout(() => { | ||
ReactDOM.hydrateRoot(root, Component) | ||
}, (duration * 1000) / 2) | ||
} | ||
) | ||
</script> | ||
</body> | ||
</html> |
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