Files
gregorlohaus.com/src/app/_providers/GsapProvicer.tsx
2026-03-30 14:13:04 +02:00

88 lines
2.7 KiB
TypeScript

'use client'
import { useGSAP } from '@gsap/react'
import gsap from 'gsap'
import { SplitText } from 'gsap/SplitText'
import { ScrollTrigger, GSDevTools } from 'gsap/all'
import { createContext, useCallback, useContext, useEffect, useRef, type ReactNode } from 'react'
gsap.registerPlugin(useGSAP)
gsap.registerPlugin(ScrollTrigger)
gsap.registerPlugin(SplitText)
gsap.registerPlugin(GSDevTools)
const GsapContext = createContext<{
addAnimation: (
animation: gsap.core.TimelineChild,
position: gsap.Position
) => void,
resetTimeline: () => void,
resumeTimeline: () => void,
getScroller: () => Element | Window | null
} | null>(null)
export function useGsapContext() {
return useContext(GsapContext)
}
export const useTimeLine = (dep:any,all?:boolean) => {
const gsapContext = useGsapContext()
useEffect(() => {
if (dep instanceof Array && all) {
let acc = true;
let allDepsSatisfied = dep.reduce((p,c) => c !== undefined && p ,acc )
if (allDepsSatisfied) {
gsapContext?.resumeTimeline()
}
} else {
if (dep) {
gsapContext?.resumeTimeline()
}
}
},[dep])
useEffect(() => {
return () => {
gsapContext?.resetTimeline()
}
},[])
}
export default function GsapProvider({ children }: { children: ReactNode }) {
const tl = useRef<gsap.core.Timeline | null>(null)
const scrollerRef = useRef<Element | Window | null>(null)
const getScroller = useCallback(() => {
const cached = scrollerRef.current
if (!cached || (cached instanceof Element && !document.contains(cached))) {
scrollerRef.current = document.querySelector('[data-slot="scroll-area-viewport"]') ?? window
}
return scrollerRef.current
}, [])
useGSAP(() => {
if (!tl.current) {
tl.current = gsap.timeline({ paused: true, id:'mainTimeline', onComplete: ()=>{
console.log('timeline revert')
gsap.getById('mainTimeline')?.revert()
} })
}
return () => { console.log("gsap cleanup") }
})
const addAnimation = useCallback((animation: gsap.core.TimelineChild, position: gsap.Position) => {
console.log("add animation to:", position, tl.current !== undefined)
tl.current?.add(animation, position);
},[])
const resetTimeline = useCallback(() => {
tl.current?.kill()
tl.current?.revert()
ScrollTrigger.getAll().forEach(st => st.kill())
tl.current = gsap.timeline({paused:true})
},[])
const resumeTimeline = useCallback(() => {
console.log("resuming timeline:",tl.current)
tl.current?.resume()
},[])
return (
<GsapContext.Provider value={{ addAnimation, resetTimeline, resumeTimeline, getScroller }}>
{children}
</GsapContext.Provider>
)
}