chore: ⬆️ Upgrade to Nuxt 4

app/components/ui/popover/Popover.vue

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+<script setup lang="ts">
+import type { PopoverRootEmits, PopoverRootProps } from "reka-ui";
+import { PopoverRoot, useForwardPropsEmits } from "reka-ui";
+
+const props = defineProps<PopoverRootProps>();
+const emits = defineEmits<PopoverRootEmits>();
+
+const forwarded = useForwardPropsEmits(props, emits);
+</script>
+
+<template>
+  <PopoverRoot
+    data-slot="popover"
+    v-bind="forwarded"
+  >
+    <slot />
+  </PopoverRoot>
+</template>

app/components/ui/popover/PopoverAnchor.vue

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+<script setup lang="ts">
+import type { PopoverAnchorProps } from "reka-ui";
+import { PopoverAnchor } from "reka-ui";
+
+const props = defineProps<PopoverAnchorProps>();
+</script>
+
+<template>
+  <PopoverAnchor
+    data-slot="popover-anchor"
+    v-bind="props"
+  >
+    <slot />
+  </PopoverAnchor>
+</template>

app/components/ui/popover/PopoverContent.vue

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+<script setup lang="ts">
+import {
+    PopoverContent,
+    type PopoverContentEmits,
+    type PopoverContentProps,
+    PopoverPortal,
+    useForwardPropsEmits,
+} from "reka-ui";
+import { computed, type HTMLAttributes } from "vue";
+import { cn } from "@/lib/utils";
+
+defineOptions({
+    inheritAttrs: false,
+});
+
+const props = withDefaults(
+    defineProps<PopoverContentProps & { class?: HTMLAttributes["class"] }>(),
+    {
+        align: "center",
+        sideOffset: 4,
+    },
+);
+const emits = defineEmits<PopoverContentEmits>();
+
+const delegatedProps = computed(() => {
+    const { class: _, ...delegated } = props;
+
+    return delegated;
+});
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits);
+</script>
+
+<template>
+  <PopoverPortal>
+    <PopoverContent
+      data-slot="popover-content"
+      v-bind="{ ...forwarded, ...$attrs }"
+      :class="
+        cn(
+          'bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 w-72 rounded-md border p-4 shadow-md origin-(--reka-popover-content-transform-origin) outline-hidden',
+          props.class,
+        )
+      "
+    >
+      <slot />
+    </PopoverContent>
+  </PopoverPortal>
+</template>

app/components/ui/popover/PopoverTrigger.vue

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+<script setup lang="ts">
+import { PopoverTrigger, type PopoverTriggerProps } from "reka-ui";
+
+const props = defineProps<PopoverTriggerProps>();
+</script>
+
+<template>
+  <PopoverTrigger
+    data-slot="popover-trigger"
+    v-bind="props"
+  >
+    <slot />
+  </PopoverTrigger>
+</template>

app/components/ui/popover/index.ts

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+export { default as Popover } from "./Popover.vue";
+export { default as PopoverAnchor } from "./PopoverAnchor.vue";
+export { default as PopoverContent } from "./PopoverContent.vue";
+export { default as PopoverTrigger } from "./PopoverTrigger.vue";