feat(Switch): form integration (#48)

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

playground/components/FormElementsExample.vue

@@ -1,22 +1,7 @@
 <script setup lang="ts">
 import { z } from 'zod'
-import type { FormSubmitEvent } from '#ui/types/form'
+import type { FormSubmitEvent, Form } from '#ui/types/form'
 
-const form = ref()
-
-const state = reactive({
-  input: undefined,
-  inputMenu: undefined,
-  textarea: undefined,
-  select: undefined,
-  selectMenu: undefined,
-  checkbox: undefined,
-  toggle: undefined,
-  radio: undefined,
-  radioGroup: undefined,
-  switch: undefined,
-  range: undefined
-})
 
 const schema = z.object({
   input: z.string().min(10),
@@ -30,9 +15,9 @@ const schema = z.object({
   // selectMenu: z.any().refine(option => option?.value === 'option-2', {
   //   message: 'Select Option 2'
   // }),
-  // toggle: z.boolean().refine(value => value === true, {
-  //   message: 'Toggle me'
-  // }),
+  switch: z.boolean().refine(value => value === true, {
+    message: 'Toggle me'
+  }),
   checkbox: z.boolean().refine(value => value === true, {
     message: 'Check me'
   }),
@@ -44,6 +29,9 @@ const schema = z.object({
 
 type Schema = z.output<typeof schema>
 
+const state = reactive<Partial<Schema>>({})
+const form = ref<Form<Schema>>()
+
 const options = [
   { label: 'Option 1', value: 'option-1' },
   { label: 'Option 2', value: 'option-2' },
@@ -79,12 +67,16 @@ function onSubmit (event: FormSubmitEvent<Schema>) {
       <URadioGroup v-model="state.radioGroup" legend="Radio group" :options="options" />
     </UFormField>
 
+    <UFormField name="switch">
+      <USwitch v-model:checked="state.switch" />
+    </UFormField>
+
     <div class="flex gap-2">
-      <UButton color="gray" type="submit">
+      <UButton color="gray" type="submit" :disabled="form?.disabled">
         Submit
       </UButton>
 
-      <UButton variant="outline" @click="form.clear()">
+      <UButton variant="outline" :disabled="form?.disabled" @click="form.clear()">
         Clear
       </UButton>
     </div>

playground/pages/form.vue

@@ -1,16 +1,6 @@
 <script setup lang="ts">
 import { z } from 'zod'
-import type { Form, FormSubmitEvent } from '#ui/types/form'
-
-type User = {
-  email: string
-  password: string
-  tos: boolean
-}
-
-const state = reactive<Partial<User>>({})
-const state2 = reactive<Partial<User>>({})
-const state3 = reactive<Partial<User>>({})
+import type { FormSubmitEvent } from '#ui/types/form'
 
 const schema = z.object({
   email: z.string().email(),
@@ -18,9 +8,13 @@ const schema = z.object({
   tos: z.literal(true)
 })
 
-const disabledForm = ref<Form<User>>()
+type Schema = z.output<typeof schema>
 
-function onSubmit (event: FormSubmitEvent<User>) {
+const state = reactive<Partial<Schema>>({})
+const state2 = reactive<Partial<Schema>>({})
+
+
+function onSubmit (event: FormSubmitEvent<Schema>) {
   console.log(event.data)
 }
 </script>
@@ -79,44 +73,14 @@ function onSubmit (event: FormSubmitEvent<User>) {
           </UButton>
         </div>
       </UForm>
-
-      <UForm
-        ref="disabledForm"
-        :state="state3"
-        :schema="schema"
-        class="gap-4 flex flex-col w-60"
-        disabled
-        @submit="(event) => onSubmit(event)"
-      >
-        <UFormField label="Email" name="email">
-          <UInput v-model="state3.email" placeholder="john@lennon.com" />
-        </UFormField>
-
-        <UFormField
-          label="Password"
-          name="password"
-          :validate-on-input-delay="50"
-          eager-validation
-        >
-          <UInput v-model="state3.password" type="password" />
-        </UFormField>
-
-        <UFormField name="tos">
-          <UCheckbox v-model="state3.tos" label="I accept the terms and conditions" />
-        </UFormField>
-
-        <div>
-          <UButton color="gray" type="submit" :disabled="disabledForm?.disabled">
-            Submit
-          </UButton>
-        </div>
-      </UForm>
     </div>
 
     <div class="flex gap-4">
       <FormNestedExample />
       <FormNestedListExample />
       <FormElementsExample />
+      <FormElementsExample disabled />
     </div>
+    <div class="flex gap-4" />
   </div>
 </template>

src/runtime/components/RadioGroup.vue

@@ -14,7 +14,7 @@ type RadioGroupVariants = VariantProps<typeof radioGroup>
 export type RadioGroupOption<T> = {
   label: string
   value: T
-  description: string
+  description?: string
 }
 
 export interface RadioGroupProps<T> extends Omit<RadioGroupRootProps, 'asChild' | 'dir'> {
@@ -49,15 +49,15 @@ const props = defineProps<RadioGroupProps<T>>()
 const emits = defineEmits<RadioGroupEmits>()
 defineSlots<RadioGroupSlots<T>>()
 
-const rootProps = useForwardPropsEmits(reactivePick(props, 'defaultValue', 'orientation', 'disabled', 'loop', 'name', 'required'), emits)
+const rootProps = useForwardPropsEmits(reactivePick(props, 'defaultValue', 'orientation', 'loop', 'name', 'required'), emits)
 
-const { emitFormChange, color, name, size, inputId: _inputId } = useFormField<RadioGroupProps<T>>(props)
+const { emitFormChange, color, name, size, inputId: _inputId, disabled } = useFormField<RadioGroupProps<T>>(props)
 const inputId = _inputId.value ?? useId()
 
 const ui = computed(() => tv({ extend: radioGroup, slots: props.ui })({
   size: size.value,
   color: color.value,
-  disabled: props.disabled,
+  disabled: disabled.value,
   required: props.required
 }))
 
@@ -102,6 +102,7 @@ function onUpdate () {
     v-model="modelValue"
     v-bind="rootProps"
     :name="name"
+    :disabled="disabled"
     :class="ui.root({ class: props.class })"
     @update:model-value="onUpdate"
   >
@@ -116,6 +117,7 @@ function onUpdate () {
           <RadioGroupItem
             :id="option.id"
             :value="option.value"
+            :disabled="disabled"
             :class="ui.base()"
           >
             <RadioGroupIndicator :class="ui.indicator()" />

src/runtime/components/Switch.vue

@@ -13,6 +13,8 @@ const switchTv = tv({ extend: tv(theme), ...(appConfig.ui?.switch || {}) })
 type SwitchVariants = VariantProps<typeof switchTv>
 
 export interface SwitchProps extends Omit<SwitchRootProps, 'asChild'> {
+  id?: string
+  name?: string
   color?: SwitchVariants['color']
   size?: SwitchVariants['size']
   loading?: boolean
@@ -30,23 +32,40 @@ export interface SwitchEmits extends SwitchRootEmits {}
 import { computed } from 'vue'
 import { SwitchRoot, SwitchThumb, useForwardPropsEmits } from 'radix-vue'
 import { reactivePick } from '@vueuse/core'
-import { useAppConfig } from '#imports'
+import { useAppConfig, useFormField } from '#imports'
 
 const props = defineProps<SwitchProps>()
 const emits = defineEmits<SwitchEmits>()
 
 const appConfig = useAppConfig()
-const rootProps = useForwardPropsEmits(reactivePick(props, 'as', 'defaultChecked', 'checked', 'required', 'name', 'id', 'value'), emits)
+const rootProps = useForwardPropsEmits(reactivePick(props, 'as', 'defaultChecked', 'checked', 'required', 'value'), emits)
+
+
+const { inputId, emitFormChange, size, color, name, disabled } = useFormField<SwitchProps>(props)
 
 const ui = computed(() => tv({ extend: switchTv, slots: props.ui })({
-  color: props.color,
-  size: props.size,
+  color: color.value,
+  size: size.value,
   loading: props.loading
 }))
+
+// FIXME: I think there's a race condition between this and the v-model event.
+// This must be triggered after the value updates, otherwise the form validates
+// the previous value.
+async function onChecked () {
+  emitFormChange()
+}
 </script>
 
 <template>
-  <SwitchRoot :disabled="disabled || loading" v-bind="rootProps" :class="ui.root({ class: props.class })">
+  <SwitchRoot
+    :id="inputId"
+    :name="name"
+    :disabled="disabled || loading"
+    v-bind="rootProps"
+    :class="ui.root({ class: props.class })"
+    @update:checked="onChecked"
+  >
     <SwitchThumb :class="ui.thumb()">
       <UIcon v-if="loading" :name="loadingIcon || appConfig.ui.icons.loading" :class="ui.icon({ checked: true, unchecked: true })" />
       <template v-else>

src/theme/radio-group.ts

@@ -68,7 +68,8 @@ export default (config: { colors: string[] }) => ({
 
     disabled: {
       true: {
-        container: 'cursor-not-allowed opacity-75'
+        base: 'cursor-not-allowed opacity-75',
+        label: 'cursor-not-allowed opacity-75'
       }
     },