N
Nuxt6mo ago
WiFi Plug

explain nuxt ui form + zod + drizzle how well do these work together to simplify form validation

Hi kappa can you provide a minimal example of nuxt ui form, zod, drizzle as I want to see how clean that would look if i were to migrate to it
11 Replies
kapa.ai
kapa.ai6mo ago
Hi @WiFi Plug. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- Nuxt UI Form works seamlessly with Zod for schema-based validation, providing a clean and type-safe way to handle form validation in your Nuxt 3 applications. The integration is straightforward: you define your validation schema with Zod, bind your form state to a reactive object, and pass both to the <UForm> component. Errors are automatically displayed in <UFormField> components based on the schema rules, making the developer experience smooth and declarative. Drizzle is not mentioned in the provided knowledge sources, so I cannot confirm or demonstrate its integration with Nuxt UI Form or Zod. My answer will focus on Nuxt UI Form and Zod, as these are well-documented in the sources. Minimal Example: Nuxt UI Form + Zod
<script setup lang="ts">
import * as z from 'zod'
import type { FormSubmitEvent } from '@nuxt/ui'

const schema = z.object({
email: z.string().email('Invalid email'),
password: z.string().min(8, 'Must be at least 8 characters')
})

type Schema = z.output<typeof schema>

const state = reactive<Partial<Schema>>({
email: undefined,
password: undefined
})

const toast = useToast()
async function onSubmit(event: FormSubmitEvent<Schema>) {
toast.add({ title: 'Success', description: 'The form has been submitted.', color: 'success' })
console.log(event.data)
}
</script>

<template>
<UForm :schema="schema" :state="state" class="space-y-4" @submit="onSubmit">
<UFormField label="Email" name="email">
<UInput v-model="state.email" />
</UFormField>
<UFormField label="Password" name="password">
<UInput v-model="state.password" type="password" />
</UFormField>
<UButton type="submit">
Submit
</UButton>
</UForm>
</template>
<script setup lang="ts">
import * as z from 'zod'
import type { FormSubmitEvent } from '@nuxt/ui'

const schema = z.object({
email: z.string().email('Invalid email'),
password: z.string().min(8, 'Must be at least 8 characters')
})

type Schema = z.output<typeof schema>

const state = reactive<Partial<Schema>>({
email: undefined,
password: undefined
})

const toast = useToast()
async function onSubmit(event: FormSubmitEvent<Schema>) {
toast.add({ title: 'Success', description: 'The form has been submitted.', color: 'success' })
console.log(event.data)
}
</script>

<template>
<UForm :schema="schema" :state="state" class="space-y-4" @submit="onSubmit">
<UFormField label="Email" name="email">
<UInput v-model="state.email" />
</UFormField>
<UFormField label="Password" name="password">
<UInput v-model="state.password" type="password" />
</UFormField>
<UButton type="submit">
Submit
</UButton>
</UForm>
</template>
- Validation is handled automatically as you type, change, or blur inputs. - Errors are shown next to the relevant fields without extra boilerplate. - Type safety is ensured by Zod, and the form state is reactive and easy to manage. This setup greatly simplifies form validation and error handling in Nuxt 3 projects, making your codebase cleaner and more maintainable. For Drizzle integration, you would typically use it for database operations after form submission, but the knowledge sources do not provide details on this part. For more details, see the Nuxt UI Form documentation. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------
kapa.ai
kapa.ai6mo ago
<@679734274840330384> Kapa.ai is still learning and improving, please let me know how I did by reacting below.
WiFi Plug
WiFi PlugOP6mo ago
@kapa.ai currently i'm using postgres listen/notify along with nitro websockets to handle my live chat. so users send a message to my server route which inserts it to the database > pg notify fires > my websocket sends it to connected clients. what are more popular approaches for this? i heard about redis or something else?
kapa.ai
kapa.ai6mo ago
Let me check the knowledge base for you again. One moment! :books: ---------------------- Your current approach—using PostgreSQL's LISTEN/NOTIFY in combination with Nitro WebSockets for real-time chat—is a solid and reliable pattern for small to medium-scale applications. However, for larger-scale or more distributed systems, other popular approaches include using Redis Pub/Sub or managed message brokers. Redis Pub/Sub is a common alternative. Redis acts as a lightweight, high-performance message broker. When a message is inserted into the database, your server can publish an event to a Redis channel. All connected WebSocket servers (possibly across multiple instances) can subscribe to this channel and broadcast the message to their connected clients. This pattern is especially popular for scaling real-time features across multiple server instances, as Redis efficiently handles message distribution. Nuxt (via Nitro) supports Redis integration out of the box for storage and can be extended to use Redis Pub/Sub for real-time messaging. You can configure Redis in your Nuxt app using the nitro.storage option in nuxt.config.ts, or by mounting a Redis driver via a server plugin. This setup is well-documented in the Nuxt docs, which show how to connect to Redis and use it for storage, though they do not provide a direct example for Pub/Sub. The same Redis connection can be used for Pub/Sub patterns by leveraging the underlying Redis client (see example Redis config). Other approaches include using managed message brokers like RabbitMQ, Kafka, or cloud-based solutions (e.g., AWS SNS/SQS, Google Pub/Sub). These are more complex but offer advanced features for very large-scale or enterprise systems. In summary, Redis Pub/Sub is a very popular and well-supported alternative to Postgres LISTEN/NOTIFY for real-time messaging, especially when you need to scale horizontally. Nuxt and Nitro can be configured to use Redis, making this transition straightforward if you outgrow the Postgres approach or need more flexibility for scaling your chat system. For more on configuring Redis with Nuxt/Nitro, see the Nuxt server storage documentation and Unstorage Redis driver docs. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------
kapa.ai
kapa.ai6mo ago
<@679734274840330384> Kapa.ai is still learning and improving, please let me know how I did by reacting below.
WiFi Plug
WiFi PlugOP6mo ago
@kapa.ai and say i have a few servers deployed each hosting its own websocket with clients connected to it. i want a presence system where i can have an array of all users online on my site so all my servers websockets need to share the same data. is redis the right tool for that too
kapa.ai
kapa.ai6mo ago
Let me check the knowledge base for you again. One moment! :books: ---------------------- Yes, Redis is a popular and well-suited tool for implementing a presence system across multiple servers, especially when each server hosts its own WebSocket connections. Redis can act as a centralized store for tracking online users, allowing all your server instances to read and update the same presence data in real time. With Redis, you can use data structures like sets or hashes to keep track of user IDs or session tokens representing online users. Each server can update the presence information when users connect or disconnect, and all servers can query Redis to get the current list of online users. This approach ensures that your presence data is consistent and accessible across all your WebSocket servers. The Nuxt/Nitro ecosystem supports Redis integration for server storage, as shown in the documentation. You can configure Redis as a storage backend in your nuxt.config.ts and interact with it from your server routes or WebSocket handlers. While the documentation focuses on storage and does not provide a direct example for presence systems, the same Redis connection can be used for this purpose by leveraging Redis commands to manage your presence data. For more details, see the Nuxt server storage documentation and Unstorage Redis driver docs. In summary, Redis is a widely used and effective solution for sharing presence data (such as online users) across multiple WebSocket servers in a Nuxt/Nitro application. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------
kapa.ai
kapa.ai6mo ago
<@679734274840330384> Kapa.ai is still learning and improving, please let me know how I did by reacting below.
WiFi Plug
WiFi PlugOP6mo ago
@kapa.ai could you provide a basic example so i can see how that would look
kapa.ai
kapa.ai6mo ago
Let me check the knowledge base for you again. One moment! :books: ---------------------- I'm sorry, but the provided knowledge sources do not contain a direct, complete example of implementing a presence system (tracking online users) using Redis in a Nuxt/Nitro application with WebSockets. The documentation does show how to configure Redis as a storage backend in Nuxt/Nitro and how to interact with it for general storage purposes, but it does not include a specific code example for a presence system or for using Redis Pub/Sub for this use case. You can find information on configuring Redis storage in Nuxt via the nitro.storage option in nuxt.config.ts, and you can interact with Redis using the useStorage('redis') composable in your server routes or plugins. However, the exact logic for adding/removing users to a set or broadcasting presence updates across WebSocket servers is not detailed in the sources. For reference, see the Nuxt server storage documentation and Unstorage Redis driver docs. If you need a concrete code example, you may need to consult external resources or the official Redis and Nitro documentation directly. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------
kapa.ai
kapa.ai6mo ago
<@679734274840330384> Kapa.ai is still learning and improving, please let me know how I did by reacting below.

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