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Lazy Tippy
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// Will only render the `content` or `render` elements if the tippy is mounted to the DOM. | |
// Replace <Tippy /> with <LazyTippy /> component and it should work the same. | |
const LazyTippy = forwardRef((props, ref) => { | |
const [mounted, setMounted] = useState(false); | |
const lazyPlugin = { | |
fn: () => ({ | |
onMount: () => setMounted(true), | |
onHidden: () => setMounted(false), | |
}), | |
}; | |
const computedProps = {...props}; | |
computedProps.plugins = [lazyPlugin, ...(props.plugins || [])]; | |
if (props.render) { | |
computedProps.render = (...args) => (mounted ? props.render(...args) : ''); | |
} else { | |
computedProps.content = mounted ? props.content : ''; | |
} | |
return <Tippy {...computedProps} ref={ref} />; | |
}); |
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// Partially lazy | |
// Will only mount all <Tippy /> content once the singleton itself is mounted. | |
function PartiallyLazySingleton() { | |
const [source, target] = useSingleton(); | |
const [mounted, setMounted] = useState(false); | |
return ( | |
<> | |
<Tippy | |
onShow={() => setMounted(true)} | |
onHidden={() => setMounted(false)} | |
singleton={source} | |
/> | |
<Tippy content={mounted ? <ExpensiveComponent /> : ''} singleton={target}> | |
<button>Hello</button> | |
</Tippy> | |
<Tippy content={mounted ? <ExpensiveComponent /> : ''} singleton={target}> | |
<button>Hello</button> | |
</Tippy> | |
</> | |
); | |
} | |
// Fully lazy | |
// Will only mount the content if that is the currently used singleton content. | |
function LazySingleton() { | |
const [source, target] = useSingleton(); | |
const [mountedRef, setMountedRef] = useState(null); | |
const ref1 = useRef(); | |
const ref2 = useRef(); | |
return ( | |
<> | |
<Tippy | |
onTrigger={(_, event) => setMountedRef(event.currentTarget)} | |
onHidden={() => setMountedRef(null)} | |
singleton={source} | |
/> | |
<Tippy | |
content={mountedRef === ref1.current ? <ExpensiveComponent /> : ''} | |
singleton={target} | |
> | |
<button ref={ref1}>Hello</button> | |
</Tippy> | |
<Tippy | |
content={mountedRef === ref2.current ? <ExpensiveComponent /> : ''} | |
singleton={target} | |
> | |
<button ref={ref2}>Hello</button> | |
</Tippy> | |
</> | |
); | |
} |
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Can some add a lazy headless singleton example?
Thanks