chore: ⬆️ Upgrade to Nuxt 4

app/components/ui/button/Button.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+import { Primitive, type PrimitiveProps } from "reka-ui";
+import type { HTMLAttributes } from "vue";
+import { cn } from "@/lib/utils";
+import { type ButtonVariants, buttonVariants } from ".";
+
+interface Props extends PrimitiveProps {
+    variant?: ButtonVariants["variant"];
+    size?: ButtonVariants["size"];
+    class?: HTMLAttributes["class"];
+}
+
+const props = withDefaults(defineProps<Props>(), {
+    as: "button",
+});
+</script>
+
+<template>
+  <Primitive
+    data-slot="button"
+    :as="as"
+    :as-child="asChild"
+    :class="cn(buttonVariants({ variant, size }), props.class)"
+  >
+    <slot />
+  </Primitive>
+</template>

app/components/ui/button/index.ts

@@ -0,0 +1,35 @@
+import { cva, type VariantProps } from "class-variance-authority";
+
+export { default as Button } from "./Button.vue";
+
+export const buttonVariants = cva(
+    "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+    {
+        variants: {
+            variant: {
+                default:
+                    "bg-primary text-primary-foreground shadow-xs hover:bg-primary/90",
+                destructive:
+                    "bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
+                outline:
+                    "border bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50",
+                secondary:
+                    "bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80",
+                ghost: "hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50",
+                link: "text-primary underline-offset-4 hover:underline",
+            },
+            size: {
+                default: "h-9 px-4 py-2 has-[>svg]:px-3",
+                sm: "h-8 rounded-md gap-1.5 px-3 has-[>svg]:px-2.5",
+                lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
+                icon: "size-9",
+            },
+        },
+        defaultVariants: {
+            variant: "default",
+            size: "default",
+        },
+    },
+);
+
+export type ButtonVariants = VariantProps<typeof buttonVariants>;