Server component for Astro (validation and state management)
This package is a framework for Astro.js that allows you to create forms and manage their state without any JavaScript.
It also allows you to validate the form on the client side and server side, and protect against CSRF attacks.
- JWT session management
- Override response at runtime (useful for error handling)
- Custom server validation with
zod - Multiples app states at the same time
---
import { Bind, BindForm, BButton, BInput } from "@astro-utils/forms/forms.js";
import Layout from "../layouts/Layout.astro";
const form = Bind();
let showSubmitText: string;
function formSubmit(){
showSubmitText = `You name is ${form.name}, you are ${form.age} years old. `;
}
---
<Layout>
<BindForm bind={form}>
{showSubmitText}
<h4>What you name*</h4>
<BInput type="text" name="name" maxlength={20} required/>
<h4>Enter age*</h4>
<BInput type="int" name="age" required/>
<BButton onClick={formSubmit} whenFormOK>Submit</BButton>
</BindForm>
</Layout>npm install @astro-utils/forms
Add the middleware to your server
src/middleware.ts
import astroForms from "@astro-utils/forms";
import {sequence} from "astro/middleware";
export const onRequest = sequence(astroForms());Add the WebForms component in the layout
layouts/Layout.astro
---
import {WebForms} from '@astro-utils/forms/forms.js';
---
<WebForms>
<slot/>
</WebForms>This changes astro behavior to allow the form to work, it ensure the components render by the order they are in the file.
astro.config.mjs
import { defineConfig } from 'astro/config';
import astroForms from "@astro-utils/forms/dist/integration.js";
export default defineConfig({
output: 'server',
integrations: [astroForms]
});