18a38d8363
* Fix fireworks not checking localStorage flag * Refactor animations * Don't import unused animations * Remove unused hook --------- Co-authored-by: k00b <k00b@stacker.news>
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
import React, { useCallback, useContext, useState } from 'react'
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import { randInRange } from '@/lib/rand'
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export const SnowContext = React.createContext(() => {})
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// maximum amount of flakes that can get rendered at the same time
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const MAX_FLAKES = 1024
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export const SnowProvider = ({ children }) => {
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const [startIndex, setStartIndex] = useState(0)
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const [flakes, setFlakes] = useState(Array(1024))
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const snow = useCallback(() => {
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// amount of flakes to add
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const n = Math.floor(randInRange(5, 30))
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const newFlakes = [...flakes]
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let i
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for (i = startIndex; i < (startIndex + n); ++i) {
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const key = startIndex + i
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newFlakes[i % MAX_FLAKES] = <Snow key={key} />
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}
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setStartIndex(i % MAX_FLAKES)
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setFlakes(newFlakes)
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}, [setFlakes, startIndex])
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return (
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<SnowContext.Provider value={snow}>
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{flakes}
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{children}
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</SnowContext.Provider>
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)
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}
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function Snow () {
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return <div className='snow' />
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}
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export const SnowConsumer = SnowContext.Consumer
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export function useSnow () {
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return useContext(SnowContext)
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}
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