chore: ⬆️ Upgrade to Nuxt 4

app/components/ui/input/Input.vue

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+<script setup lang="ts">
+import { useVModel } from "@vueuse/core";
+import type { HTMLAttributes } from "vue";
+import { cn } from "@/lib/utils";
+
+const props = defineProps<{
+    defaultValue?: string | number;
+    modelValue?: string | number;
+    class?: HTMLAttributes["class"];
+}>();
+
+const emits =
+    defineEmits<(e: "update:modelValue", payload: string | number) => void>();
+
+const modelValue = useVModel(props, "modelValue", emits, {
+    passive: true,
+    defaultValue: props.defaultValue,
+});
+</script>
+
+<template>
+  <input
+    v-model="modelValue"
+    data-slot="input"
+    :class="cn(
+      'file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input flex h-9 w-full min-w-0 rounded-md border bg-transparent px-3 py-1 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+      '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',
+      props.class,
+    )"
+  >
+</template>

app/components/ui/input/index.ts

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+export { default as Input } from "./Input.vue";
+export { default as UrlInput } from "./url.vue";

app/components/ui/input/url.vue

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+<script setup lang="ts">
+import { useVModel } from "@vueuse/core";
+import { Check, X } from "lucide-vue-next";
+import type { HTMLAttributes } from "vue";
+import * as m from "~~/paraglide/messages.js";
+import Input from "./Input.vue";
+
+const props = defineProps<{
+    defaultValue?: string | number;
+    modelValue?: string | number;
+    class?: HTMLAttributes["class"];
+}>();
+
+const emits =
+    defineEmits<(e: "update:modelValue", payload: string | number) => void>();
+
+const modelValue = useVModel(props, "modelValue", emits, {
+    passive: true,
+    defaultValue: props.defaultValue,
+});
+
+const isValid = defineModel<boolean>("isValid");
+
+const tryGuessUrl = (string: string) =>
+    URL.canParse(`https://${string}`) &&
+    string.includes(".") &&
+    string.length > 3 &&
+    string.charAt(string.length - 1) !== ".";
+
+const isValidUrl = computed(
+    () =>
+        URL.canParse(modelValue.value as string) ||
+        tryGuessUrl(modelValue.value as string),
+);
+
+watch(modelValue, (value) => {
+    if (!URL.canParse(value as string) && tryGuessUrl(value as string)) {
+        modelValue.value = `https://${value}`;
+    }
+});
+
+watch(isValidUrl, (value) => {
+    isValid.value = value;
+});
+</script>
+
+<template>
+    <div class="space-y-2">
+        <Input v-model="modelValue" v-bind="$attrs" />
+        <p v-if="isValidUrl" class="text-green-600 text-xs">
+            {{ m.sunny_small_warbler_express() }}
+        </p>
+        <p v-else-if="(modelValue?.toString().length ?? 0) > 0" class="text-destructive text-xs">
+            {{ m.teal_late_grebe_blend() }}
+        </p>
+    </div>
+</template>