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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,29 +1,42 @@ | ||
import * as React from 'react'; | ||
import { interpolateString } from '@mui/x-charts-vendor/d3-interpolate'; | ||
import { useSpring, to } from '@react-spring/web'; | ||
import { useSpring } from '@react-spring/web'; | ||
|
||
function usePrevious<T>(value: T) { | ||
const ref = React.useRef<T | null>(null); | ||
React.useEffect(() => { | ||
ref.current = value; | ||
}, [value]); | ||
const ref = React.useRef<{ currentPath: T; previousPath?: T }>({ | ||
currentPath: value, | ||
previousPath: undefined, | ||
}); | ||
if (ref.current.currentPath !== value) { | ||
ref.current = { | ||
currentPath: value, | ||
previousPath: ref.current.currentPath, | ||
}; | ||
} | ||
|
||
return ref.current; | ||
} | ||
|
||
// Taken from Nivo | ||
export const useAnimatedPath = (path: string, skipAnimation?: boolean) => { | ||
const previousPath = usePrevious(path); | ||
const memoryRef = usePrevious(path); | ||
|
||
const interpolator = React.useMemo( | ||
() => (previousPath ? interpolateString(previousPath, path) : () => path), | ||
[previousPath, path], | ||
() => | ||
memoryRef.previousPath | ||
? interpolateString(memoryRef.previousPath, memoryRef.currentPath) | ||
: () => memoryRef.currentPath, | ||
[memoryRef.currentPath, memoryRef.previousPath], | ||
); | ||
|
||
const { value } = useSpring({ | ||
from: { value: 0 }, | ||
to: { value: 1 }, | ||
reset: true, | ||
immediate: skipAnimation, | ||
}); | ||
const [{ value }] = useSpring( | ||
{ | ||
from: { value: 0 }, | ||
to: { value: 1 }, | ||
reset: true, | ||
immediate: skipAnimation, | ||
}, | ||
[memoryRef.currentPath], | ||
); | ||
|
||
return to([value], interpolator); | ||
return value.to(interpolator); | ||
}; |
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