"use client" import * as React from "react"import useEmblaCarousel, { type UseEmblaCarouselType,} from "embla-carousel-react"import { ArrowLeft, ArrowRight } from "lucide-react" import { cn } from "../lib/utils"import { Button } from "./button" type CarouselApi = UseEmblaCarouselType[1]type UseCarouselParameters = Parameters<typeof useEmblaCarousel>type CarouselOptions = UseCarouselParameters[0]type CarouselPlugin = UseCarouselParameters[1] type CarouselProps = { opts?: CarouselOptions plugins?: CarouselPlugin orientation?: "horizontal" | "vertical" setApi?: (api: CarouselApi) => void} type CarouselContextProps = { carouselRef: ReturnType<typeof useEmblaCarousel>[0] api: ReturnType<typeof useEmblaCarousel>[1] scrollPrev: () => void scrollNext: () => void canScrollPrev: boolean canScrollNext: boolean} & CarouselProps const CarouselContext = React.createContext<CarouselContextProps | null>(null) function useCarousel() { const context = React.useContext(CarouselContext) if (!context) { throw new Error("useCarousel must be used within a <Carousel />") } return context} function Carousel({ orientation = "horizontal", opts, setApi, plugins, className, children, ...props}: React.ComponentProps<"div"> & CarouselProps) { const [carouselRef, api] = useEmblaCarousel( { ...opts, axis: orientation === "horizontal" ? "x" : "y", }, plugins ) const [canScrollPrev, setCanScrollPrev] = React.useState(false) const [canScrollNext, setCanScrollNext] = React.useState(false) const onSelect = React.useCallback((api: CarouselApi) => { if (!api) return setCanScrollPrev(api.canScrollPrev()) setCanScrollNext(api.canScrollNext()) }, []) const scrollPrev = React.useCallback(() => { api?.scrollPrev() }, [api]) const scrollNext = React.useCallback(() => { api?.scrollNext() }, [api]) const handleKeyDown = React.useCallback( (event: React.KeyboardEvent<HTMLDivElement>) => { if (event.key === "ArrowLeft") { event.preventDefault() scrollPrev() } else if (event.key === "ArrowRight") { event.preventDefault() scrollNext() } }, [scrollPrev, scrollNext] ) React.useEffect(() => { if (!api || !setApi) return setApi(api) }, [api, setApi]) React.useEffect(() => { if (!api) return onSelect(api) api.on("reInit", onSelect) api.on("select", onSelect) return () => { api?.off("select", onSelect) } }, [api, onSelect]) return ( <CarouselContext.Provider value={{ carouselRef, api: api, opts, orientation: orientation || (opts?.axis === "y" ? "vertical" : "horizontal"), scrollPrev, scrollNext, canScrollPrev, canScrollNext, }} > <div onKeyDownCapture={handleKeyDown} className={cn("relative", className)} role="region" aria-roledescription="carousel" data-slot="carousel" {...props} > {children} </div> </CarouselContext.Provider> )} function CarouselContent({ className, ...props }: React.ComponentProps<"div">) { const { carouselRef, orientation } = useCarousel() return ( <div ref={carouselRef} className="overflow-hidden" data-slot="carousel-content" > <div className={cn( "flex", orientation === "horizontal" ? "-ml-4" : "-mt-4 flex-col", className )} {...props} /> </div> )} function CarouselItem({ className, ...props }: React.ComponentProps<"div">) { const { orientation } = useCarousel() return ( <div role="group" aria-roledescription="slide" data-slot="carousel-item" className={cn( "min-w-0 shrink-0 grow-0 basis-full", orientation === "horizontal" ? "pl-4" : "pt-4", className )} {...props} /> )} function CarouselPrevious({ className, variant = "outline", size = "icon", ...props}: React.ComponentProps<typeof Button>) { const { orientation, scrollPrev, canScrollPrev } = useCarousel() return ( <Button data-slot="carousel-previous" variant={variant} size={size} className={cn( "absolute size-8 rounded-full", orientation === "horizontal" ? "top-1/2 -left-12 -translate-y-1/2" : "-top-12 left-1/2 -translate-x-1/2 rotate-90", className )} disabled={!canScrollPrev} onClick={scrollPrev} {...props} > <ArrowLeft /> <span className="sr-only">Previous slide</span> </Button> )} function CarouselNext({ className, variant = "outline", size = "icon", ...props}: React.ComponentProps<typeof Button>) { const { orientation, scrollNext, canScrollNext } = useCarousel() return ( <Button data-slot="carousel-next" variant={variant} size={size} className={cn( "absolute size-8 rounded-full", orientation === "horizontal" ? "top-1/2 -right-12 -translate-y-1/2" : "-bottom-12 left-1/2 -translate-x-1/2 rotate-90", className )} disabled={!canScrollNext} onClick={scrollNext} {...props} > <ArrowRight /> <span className="sr-only">Next slide</span> </Button> )} export { type CarouselApi, Carousel, CarouselContent, CarouselItem, CarouselPrevious, CarouselNext,}
"use client"
import * as React from "react"
import useEmblaCarousel, {
type UseEmblaCarouselType,
} from "embla-carousel-react"
import { ArrowLeft, ArrowRight } from "lucide-react"
import { cn } from "../lib/utils"
import { Button } from "./button"
type CarouselApi = UseEmblaCarouselType[1]
type UseCarouselParameters = Parameters<typeof useEmblaCarousel>
type CarouselOptions = UseCarouselParameters[0]
type CarouselPlugin = UseCarouselParameters[1]
type CarouselProps = {
opts?: CarouselOptions
plugins?: CarouselPlugin
orientation?: "horizontal" | "vertical"
setApi?: (api: CarouselApi) => void
}
type CarouselContextProps = {
carouselRef: ReturnType<typeof useEmblaCarousel>[0]
api: ReturnType<typeof useEmblaCarousel>[1]
scrollPrev: () => void
scrollNext: () => void
canScrollPrev: boolean
canScrollNext: boolean
} & CarouselProps
const CarouselContext = React.createContext<CarouselContextProps | null>(null)
function useCarousel() {
const context = React.useContext(CarouselContext)
if (!context) {
throw new Error("useCarousel must be used within a <Carousel />")
}
return context
}
function Carousel({
orientation = "horizontal",
opts,
setApi,
plugins,
className,
children,
...props
}: React.ComponentProps<"div"> & CarouselProps) {
const [carouselRef, api] = useEmblaCarousel(
{
...opts,
axis: orientation === "horizontal" ? "x" : "y",
},
plugins
)
const [canScrollPrev, setCanScrollPrev] = React.useState(false)
const [canScrollNext, setCanScrollNext] = React.useState(false)
const onSelect = React.useCallback((api: CarouselApi) => {
if (!api) return
setCanScrollPrev(api.canScrollPrev())
setCanScrollNext(api.canScrollNext())
}, [])
const scrollPrev = React.useCallback(() => {
api?.scrollPrev()
}, [api])
const scrollNext = React.useCallback(() => {
api?.scrollNext()
}, [api])
const handleKeyDown = React.useCallback(
(event: React.KeyboardEvent<HTMLDivElement>) => {
if (event.key === "ArrowLeft") {
event.preventDefault()
scrollPrev()
} else if (event.key === "ArrowRight") {
event.preventDefault()
scrollNext()
}
},
[scrollPrev, scrollNext]
)
React.useEffect(() => {
if (!api || !setApi) return
setApi(api)
}, [api, setApi])
React.useEffect(() => {
if (!api) return
onSelect(api)
api.on("reInit", onSelect)
api.on("select", onSelect)
return () => {
api?.off("select", onSelect)
}
}, [api, onSelect])
return (
<CarouselContext.Provider
value={{
carouselRef,
api: api,
opts,
orientation:
orientation || (opts?.axis === "y" ? "vertical" : "horizontal"),
scrollPrev,
scrollNext,
canScrollPrev,
canScrollNext,
}}
>
<div
onKeyDownCapture={handleKeyDown}
className={cn("relative", className)}
role="region"
aria-roledescription="carousel"
data-slot="carousel"
{...props}
>
{children}
</div>
</CarouselContext.Provider>
)
}
function CarouselContent({ className, ...props }: React.ComponentProps<"div">) {
const { carouselRef, orientation } = useCarousel()
return (
<div
ref={carouselRef}
className="overflow-hidden"
data-slot="carousel-content"
>
<div
className={cn(
"flex",
orientation === "horizontal" ? "-ml-4" : "-mt-4 flex-col",
className
)}
{...props}
/>
</div>
)
}
function CarouselItem({ className, ...props }: React.ComponentProps<"div">) {
const { orientation } = useCarousel()
return (
<div
role="group"
aria-roledescription="slide"
data-slot="carousel-item"
className={cn(
"min-w-0 shrink-0 grow-0 basis-full",
orientation === "horizontal" ? "pl-4" : "pt-4",
className
)}
{...props}
/>
)
}
function CarouselPrevious({
className,
variant = "outline",
size = "icon",
...props
}: React.ComponentProps<typeof Button>) {
const { orientation, scrollPrev, canScrollPrev } = useCarousel()
return (
<Button
data-slot="carousel-previous"
variant={variant}
size={size}
className={cn(
"absolute size-8 rounded-full",
orientation === "horizontal"
? "top-1/2 -left-12 -translate-y-1/2"
: "-top-12 left-1/2 -translate-x-1/2 rotate-90",
className
)}
disabled={!canScrollPrev}
onClick={scrollPrev}
{...props}
>
<ArrowLeft />
<span className="sr-only">Previous slide</span>
</Button>
)
}
function CarouselNext({
className,
variant = "outline",
size = "icon",
...props
}: React.ComponentProps<typeof Button>) {
const { orientation, scrollNext, canScrollNext } = useCarousel()
return (
<Button
data-slot="carousel-next"
variant={variant}
size={size}
className={cn(
"absolute size-8 rounded-full",
orientation === "horizontal"
? "top-1/2 -right-12 -translate-y-1/2"
: "-bottom-12 left-1/2 -translate-x-1/2 rotate-90",
className
)}
disabled={!canScrollNext}
onClick={scrollNext}
{...props}
>
<ArrowRight />
<span className="sr-only">Next slide</span>
</Button>
)
}
export {
type CarouselApi,
Carousel,
CarouselContent,
CarouselItem,
CarouselPrevious,
CarouselNext,
}