docs: fix vue example

examples/nuxt-example/components/ui/carousel/useCarousel.ts

@@ -0,0 +1,56 @@
+import { createInjectionState } from '@vueuse/core'
+import emblaCarouselVue from 'embla-carousel-vue'
+import { onMounted, ref } from 'vue'
+import type { UnwrapRefCarouselApi as CarouselApi, CarouselEmits, CarouselProps } from './interface'
+
+const [useProvideCarousel, useInjectCarousel] = createInjectionState(
+  ({
+    opts,
+    orientation,
+    plugins,
+  }: CarouselProps, emits: CarouselEmits) => {
+    const [emblaNode, emblaApi] = emblaCarouselVue({
+      ...opts,
+      axis: orientation === 'horizontal' ? 'x' : 'y',
+    }, plugins)
+
+    function scrollPrev() {
+      emblaApi.value?.scrollPrev()
+    }
+    function scrollNext() {
+      emblaApi.value?.scrollNext()
+    }
+
+    const canScrollNext = ref(false)
+    const canScrollPrev = ref(false)
+
+    function onSelect(api: CarouselApi) {
+      canScrollNext.value = api?.canScrollNext() || false
+      canScrollPrev.value = api?.canScrollPrev() || false
+    }
+
+    onMounted(() => {
+      if (!emblaApi.value)
+        return
+
+      emblaApi.value?.on('init', onSelect)
+      emblaApi.value?.on('reInit', onSelect)
+      emblaApi.value?.on('select', onSelect)
+
+      emits('init-api', emblaApi.value)
+    })
+
+    return { carouselRef: emblaNode, carouselApi: emblaApi, canScrollPrev, canScrollNext, scrollPrev, scrollNext, orientation }
+  },
+)
+
+function useCarousel() {
+  const carouselState = useInjectCarousel()
+
+  if (!carouselState)
+    throw new Error('useCarousel must be used within a <Carousel />')
+
+  return carouselState
+}
+
+export { useCarousel, useProvideCarousel }