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Found 4 results

  1. Hello! I wanted to know in terms of performance if there's any difference between using multiple useRef to select the elements of a react component and using the new feature gsap.context. Second if it's posibble I'd like to know what is it going on in the shadows, how is that the library makes sure that the strings I pass which are inside the parent ref are getting targeted. Is there somewhere I could read about it?
  2. Hi there! I'm really in love with the new GSAP Context! It's really cool with working with React! When i add timelines with `context.add()` I get a typescript error because the method does not exist as a property of the context object. So the question is: How do I declare a type in typescript (and GSAP) that I intend to add a specific timeline method to the GSAP context? Here's an example: // Borrowing this context hook from the docs @see: https://greensock.com/react-advanced#useGsapContext export function useGsapContext<T extends HTMLElement = HTMLDivElement>( scope: RefObject<T>, // eslint-disable-next-line @typescript-eslint/no-empty-function context: gsap.ContextFunc = () => {}, ) { // eslint-disable-next-line react-hooks/exhaustive-deps const ctx = useMemo(() => gsap.context(context, scope), [scope]); return ctx; } I see that the return types for context are: interface Context { [key: string]: any; selector?: Function; isReverted: boolean; conditions?: Conditions; queries?: object; add(methodName: string, func: Function, scope?: Element | string | object): Function; add(func: Function, scope?: Element | string | object): void; ignore(func: Function): void; kill(revert?: boolean): void; revert(config?: object): void; clear(): void; } Now I'm adding a method to the context like so: // Init the gsap context const ctx = useGsapContext(wrapperRef); // Adds the timeline method to the context. This useEffect runs only once after initial render useEffectOnce(() => { ctx.add("newTab", (newIdentifier: string, oldIdentifier: string) => { const { current: wrapperEl } = wrapperRef; if (!wrapperEl) return; const tl = gsap.timeline(); if (oldIdentifier) { tl.to(`[data-tab="${oldIdentifier}"]`, { duration: 0.5, scale: 0.9, autoAlpha: 0, }); } tl.fromTo( `[data-tab="${newIdentifier}"]`, { scale: 1.2, autoAlpha: 0, }, { scale: 1, autoAlpha: 1, }, ); }); }); // on state update - uses the timeline we added to the context useUpdateEffect(() => { // Using the method added to context (this works!) But typescript complains this method doesn't exist if ("newTab" in ctx && typeof ctx["newTab"] === "function") { ctx.newTab(activeValue.active, activeValue.prev); } }, [activeValue]); So the timeline works as expected which is great... but I get the following error which is expected because typescript doesn't know there is a "newTab" property on the context object
  3. GreenSock

    GSAP 3.11 Released

    Highlights: gsap.matchMedia() is a game-changer for responsive, accessible-friendly animations. πŸ’š gsap.context() that greatly simplifies setup and reverting of a bunch of animations/ScrollTriggers, especially for React developers! You can now revert() any animation to return the targets to their original state. Set lockAxis: true on an Observer to make it lock into whichever direction the user first drags πŸ₯³ Responsive, accessibility-friendly animations with gsap.matchMedia() One of the hardest challenges for web-animators is crafting animations that work seamlessly on all screen sizes and respect users motion preferences. Well, not anymore! gsap.matchMedia() lets you easily tuck setup code into a function that only executes when a particular media query matches and then when it no longer matches, all the GSAP animations and ScrollTriggers created during that function's execution get reverted automatically! Customizing for mobile/desktop or prefers-reduced-motion is remarkably simple and incredibly flexible. Basic syntax // create let mm = gsap.matchMedia(); // add a media query. When it matches, the associated function will run mm.add("(min-width: 800px)", () => { // this setup code only runs when viewport is at least 800px wide gsap.to(...); gsap.from(...); ScrollTrigger.create({...}); return () => { // optional // custom cleanup code here (runs when it STOPS matching) }; }); // later, if we need to revert all the animations/ScrollTriggers... mm.revert(); Conditions syntax - πŸ’ͺ POWERFUL πŸ’ͺ What if your setup code for various media queries is mostly identical but a few key values are different? If you add() each media query individually, you may end up with a lot of redundant code. Just use the conditions syntax! Instead of a string for the first parameter, use an object with arbitrarily-named conditions and then the function will get called when any of those conditions match and you can check each condition as a boolean (matching or not). The conditions object could look like this: { isDesktop: "(min-width: 800px)", isMobile: "(max-width: 799px)", reduceMotion: "(prefers-reduced-motion: reduce)" } Name your conditions whatever you want. Below we'll set the breakpoint at 800px wide and honor the user's prefers-reduced-motion preference, leveraging the same setup code and using conditional logic where necessary: let mm = gsap.matchMedia(), breakPoint = 800; mm.add({ // set up any number of arbitrarily-named conditions. The function below will be called when ANY of them match. isDesktop: `(min-width: ${breakPoint}px)`, isMobile: `(max-width: ${breakPoint - 1}px)`, reduceMotion: "(prefers-reduced-motion: reduce)" }, (context) => { // context.conditions has a boolean property for each condition defined above indicating if it's matched or not. let { isDesktop, isMobile, reduceMotion } = context.conditions; gsap.to(".box", { rotation: isDesktop ? 360 : 180, // spin further if desktop duration: reduceMotion ? 0 : 2 // skip to the end if prefers-reduced-motion }); return () => { // optionally return a cleanup function that will be called when none of the conditions match anymore (after having matched) } }); Nice and concise! πŸŽ‰ See the Pen gsap.matchMedia() by GreenSock (@GreenSock) on CodePen. You can set a scope so that all selector text inside the function maps only to descendants of a particular element or React Ref or Angular ElementRef. This can greatly simplify your code. See the full documentation for all the details. gsap.context()
  4. Hi I got problem when I want to dispose a SWFLoader when I use SWFLoaderVars to set context then I can't dispose external SWF but if I don't set the context everything's right! like this: var vars:Object = {name:"test", onComplete:onComplete}; var context:LoaderContext = new LoaderContext(false, ApplicationDomain.currentDomain, SecurityDomain.currentDomain); var swfVars:SWFLoaderVars = new SWFLoaderVars(vars); swfVars = swfVars.context(context);//marked this everything's right var swfLoader:SWFLoader = new SWFLoader("resource/test.swf", swfVars); swfLoader.load(true); is there anything wrong? please help me, thx!
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