docs(form): update (#2167)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/app/components/content/examples/form/FormExampleElements.vue

@@ -0,0 +1,115 @@
+<script setup lang="ts">
+import { z } from 'zod'
+import type { FormSubmitEvent, Form } from '@nuxt/ui'
+
+const schema = z.object({
+  input: z.string().min(10),
+  inputMenu: z.any().refine(option => option?.value === 'option-2', {
+    message: 'Select Option 2'
+  }),
+  inputMenuMultiple: z.any().refine(values => !!values?.find((option: any) => option.value === 'option-2'), {
+    message: 'Include Option 2'
+  }),
+  textarea: z.string().min(10),
+  select: z.string().refine(value => value === 'option-2', {
+    message: 'Select Option 2'
+  }),
+  selectMenu: z.any().refine(option => option?.value === 'option-2', {
+    message: 'Select Option 2'
+  }),
+  selectMenuMultiple: z.any().refine(values => !!values?.find((option: any) => option.value === 'option-2'), {
+    message: 'Include Option 2'
+  }),
+  switch: z.boolean().refine(value => value === true, {
+    message: 'Toggle me'
+  }),
+  checkbox: z.boolean().refine(value => value === true, {
+    message: 'Check me'
+  }),
+  radioGroup: z.string().refine(value => value === 'option-2', {
+    message: 'Select Option 2'
+  }),
+  slider: z.number().max(20, { message: 'Must be less than 20' })
+})
+
+type Schema = z.output<typeof schema>
+
+const state = reactive<Partial<Schema>>({})
+const form = ref<Form<Schema>>()
+
+const items = [
+  { label: 'Option 1', value: 'option-1' },
+  { label: 'Option 2', value: 'option-2' },
+  { label: 'Option 3', value: 'option-3' }
+]
+
+const toast = useToast()
+async function onSubmit(event: FormSubmitEvent<any>) {
+  toast.add({ title: 'Success', description: 'The form has been submitted.', color: 'green' })
+  console.log(event.data)
+}
+</script>
+
+<template>
+  <UForm ref="form" :state="state" :schema="schema" @submit="onSubmit">
+    <div class="grid grid-cols-3 gap-4">
+      <UFormField label="Input" name="input">
+        <UInput v-model="state.input" placeholder="john@lennon.com" class="w-40" />
+      </UFormField>
+
+      <div class="flex flex-col gap-4">
+        <UFormField name="switch">
+          <USwitch v-model="state.switch" label="Switch me" />
+        </UFormField>
+
+        <UFormField name="checkbox">
+          <UCheckbox v-model="state.checkbox" label="Check me" />
+        </UFormField>
+      </div>
+
+      <UFormField name="slider" label="Slider">
+        <USlider v-model="state.slider" />
+      </UFormField>
+
+      <UFormField name="select" label="Select">
+        <USelect v-model="state.select" :items="items" />
+      </UFormField>
+
+      <UFormField name="selectMenu" label="Select Menu">
+        <USelectMenu v-model="state.selectMenu" :items="items" />
+      </UFormField>
+
+      <UFormField name="selectMenuMultiple" label="Select Menu (Multiple)">
+        <USelectMenu v-model="state.selectMenuMultiple" multiple :items="items" />
+      </UFormField>
+
+      <UFormField name="inputMenu" label="Input Menu">
+        <UInputMenu v-model="state.inputMenu" :items="items" />
+      </UFormField>
+
+      <UFormField name="inputMenuMultiple" label="Input Menu (Multiple)">
+        <UInputMenu v-model="state.inputMenuMultiple" multiple :items="items" />
+      </UFormField>
+
+      <span />
+
+      <UFormField label="Textarea" name="textarea">
+        <UTextarea v-model="state.textarea" />
+      </UFormField>
+
+      <UFormField name="radioGroup">
+        <URadioGroup v-model="state.radioGroup" legend="Radio group" :items="items" />
+      </UFormField>
+    </div>
+
+    <div class="flex gap-2 mt-8">
+      <UButton color="gray" type="submit" :disabled="form?.disabled">
+        Submit
+      </UButton>
+
+      <UButton color="gray" variant="outline" :disabled="form?.disabled" @click="form?.clear()">
+        Clear
+      </UButton>
+    </div>
+  </UForm>
+</template>