<template> <DocSectionText v-bind="$attrs"> <p>CascadeSelect integrates seamlessly with the <NuxtLink to="/forms">PrimeVue Forms</NuxtLink> library.</p> </DocSectionText> <div class="card flex justify-center"> <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex justify-center flex-col gap-4"> <div class="flex flex-col gap-1"> <CascadeSelect name="city" :options="countries" optionLabel="cname" optionGroupLabel="name" :optionGroupChildren="['states', 'cities']" class="w-56" placeholder="Select a City" /> <Message v-if="$form.city?.invalid" severity="error" size="small" variant="simple">{{ $form.city.error?.message }}</Message> </div> <Button type="submit" severity="secondary" label="Submit" /> </Form> </div> <DocSectionCode :code="code" :dependencies="{ zod: '3.23.8' }" /> </template> <script> import { zodResolver } from '@primevue/forms/resolvers/zod'; import { z } from 'zod'; export default { data() { return { initialValues: { city: null }, resolver: zodResolver( z.object({ city: z.union([ z.object({ cname: z.string().min(1, 'City is required.') }), z.any().refine((val) => false, { message: 'City is required.' }) ]) }) ), countries: [ { name: 'Australia', code: 'AU', states: [ { name: 'New South Wales', cities: [ { cname: 'Sydney', code: 'A-SY' }, { cname: 'Newcastle', code: 'A-NE' }, { cname: 'Wollongong', code: 'A-WO' } ] }, { name: 'Queensland', cities: [ { cname: 'Brisbane', code: 'A-BR' }, { cname: 'Townsville', code: 'A-TO' } ] } ] }, { name: 'Canada', code: 'CA', states: [ { name: 'Quebec', cities: [ { cname: 'Montreal', code: 'C-MO' }, { cname: 'Quebec City', code: 'C-QU' } ] }, { name: 'Ontario', cities: [ { cname: 'Ottawa', code: 'C-OT' }, { cname: 'Toronto', code: 'C-TO' } ] } ] }, { name: 'United States', code: 'US', states: [ { name: 'California', cities: [ { cname: 'Los Angeles', code: 'US-LA' }, { cname: 'San Diego', code: 'US-SD' }, { cname: 'San Francisco', code: 'US-SF' } ] }, { name: 'Florida', cities: [ { cname: 'Jacksonville', code: 'US-JA' }, { cname: 'Miami', code: 'US-MI' }, { cname: 'Tampa', code: 'US-TA' }, { cname: 'Orlando', code: 'US-OR' } ] }, { name: 'Texas', cities: [ { cname: 'Austin', code: 'US-AU' }, { cname: 'Dallas', code: 'US-DA' }, { cname: 'Houston', code: 'US-HO' } ] } ] } ], code: { basic: ` <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex justify-center flex-col gap-4"> <div class="flex flex-col gap-1"> <CascadeSelect name="city" :options="countries" optionLabel="cname" optionGroupLabel="name" :optionGroupChildren="['states', 'cities']" class="w-56" placeholder="Select a City" /> <Message v-if="$form.city?.invalid" severity="error" size="small" variant="simple">{{ $form.city.error?.message }}</Message> </div> <Button type="submit" severity="secondary" label="Submit" /> </Form> `, options: ` <template> <div class="card flex justify-center"> <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex justify-center flex-col gap-4"> <div class="flex flex-col gap-1"> <CascadeSelect name="city" :options="countries" optionLabel="cname" optionGroupLabel="name" :optionGroupChildren="['states', 'cities']" class="w-56" placeholder="Select a City" /> <Message v-if="$form.city?.invalid" severity="error" size="small" variant="simple">{{ $form.city.error?.message }}</Message> </div> <Button type="submit" severity="secondary" label="Submit" /> </Form> <Toast /> </div> </template> <script> export default { data() { return { initialValues: { city: null }, resolver: zodResolver( z.object({ city: z.union([ z.object({ cname: z.string().min(1, 'City is required.') }), z.any().refine((val) => false, { message: 'City is required.' }) ]) }) ), countries: [ { name: 'Australia', code: 'AU', states: [ { name: 'New South Wales', cities: [ { cname: 'Sydney', code: 'A-SY' }, { cname: 'Newcastle', code: 'A-NE' }, { cname: 'Wollongong', code: 'A-WO' } ] }, { name: 'Queensland', cities: [ { cname: 'Brisbane', code: 'A-BR' }, { cname: 'Townsville', code: 'A-TO' } ] } ] }, { name: 'Canada', code: 'CA', states: [ { name: 'Quebec', cities: [ { cname: 'Montreal', code: 'C-MO' }, { cname: 'Quebec City', code: 'C-QU' } ] }, { name: 'Ontario', cities: [ { cname: 'Ottawa', code: 'C-OT' }, { cname: 'Toronto', code: 'C-TO' } ] } ] }, { name: 'United States', code: 'US', states: [ { name: 'California', cities: [ { cname: 'Los Angeles', code: 'US-LA' }, { cname: 'San Diego', code: 'US-SD' }, { cname: 'San Francisco', code: 'US-SF' } ] }, { name: 'Florida', cities: [ { cname: 'Jacksonville', code: 'US-JA' }, { cname: 'Miami', code: 'US-MI' }, { cname: 'Tampa', code: 'US-TA' }, { cname: 'Orlando', code: 'US-OR' } ] }, { name: 'Texas', cities: [ { cname: 'Austin', code: 'US-AU' }, { cname: 'Dallas', code: 'US-DA' }, { cname: 'Houston', code: 'US-HO' } ] } ] } ] }; }, methods: { onFormSubmit({ valid }) { if (valid) { this.$toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 }); } } } }; <\/script> `, composition: ` <template> <div class="card flex justify-center"> <Form v-slot="$form" :resolver="resolver" :initialValues="initialValues" @submit="onFormSubmit" class="flex justify-center flex-col gap-4"> <div class="flex flex-col gap-1"> <CascadeSelect name="city" :options="countries" optionLabel="cname" optionGroupLabel="name" :optionGroupChildren="['states', 'cities']" class="w-56" placeholder="Select a City" /> <Message v-if="$form.city?.invalid" severity="error" size="small" variant="simple">{{ $form.city.error?.message }}</Message> </div> <Button type="submit" severity="secondary" label="Submit" /> </Form> <Toast /> </div> </template> <script setup> import { ref } from "vue"; import { zodResolver } from '@primevue/forms/resolvers/zod'; import { useToast } from "primevue/usetoast"; import { z } from 'zod'; const toast = useToast(); const initialValues = ref({ city: null }); const resolver = ref(zodResolver( z.object({ city: z.union([ z.object({ cname: z.string().min(1, 'City is required.') }), z.any().refine((val) => false, { message: 'City is required.' }) ]) }) )); const countries = ref([ { name: 'Australia', code: 'AU', states: [ { name: 'New South Wales', cities: [ { cname: 'Sydney', code: 'A-SY' }, { cname: 'Newcastle', code: 'A-NE' }, { cname: 'Wollongong', code: 'A-WO' } ] }, { name: 'Queensland', cities: [ { cname: 'Brisbane', code: 'A-BR' }, { cname: 'Townsville', code: 'A-TO' } ] } ] }, { name: 'Canada', code: 'CA', states: [ { name: 'Quebec', cities: [ { cname: 'Montreal', code: 'C-MO' }, { cname: 'Quebec City', code: 'C-QU' } ] }, { name: 'Ontario', cities: [ { cname: 'Ottawa', code: 'C-OT' }, { cname: 'Toronto', code: 'C-TO' } ] } ] }, { name: 'United States', code: 'US', states: [ { name: 'California', cities: [ { cname: 'Los Angeles', code: 'US-LA' }, { cname: 'San Diego', code: 'US-SD' }, { cname: 'San Francisco', code: 'US-SF' } ] }, { name: 'Florida', cities: [ { cname: 'Jacksonville', code: 'US-JA' }, { cname: 'Miami', code: 'US-MI' }, { cname: 'Tampa', code: 'US-TA' }, { cname: 'Orlando', code: 'US-OR' } ] }, { name: 'Texas', cities: [ { cname: 'Austin', code: 'US-AU' }, { cname: 'Dallas', code: 'US-DA' }, { cname: 'Houston', code: 'US-HO' } ] } ] } ]); const onFormSubmit = ({ valid }) => { if (valid) { toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 }); } }; <\/script> ` } }; }, methods: { onFormSubmit({ valid }) { if (valid) { this.$toast.add({ severity: 'success', summary: 'Form is submitted.', life: 3000 }); } } } }; </script>