Top Svelte Form Libraries

ciscoheat/sveltekit-superforms is a library that provides a set of utilities for building forms in SvelteKit applications.

Code Example

import { superForm } from 'sveltekit-superforms/client';

const { form, errors, enhance } = superForm(data, { validators: { ... } });

Pros

1. ciscoheat/sveltekit-superforms is specifically designed for SvelteKit, providing a seamless integration with the framework.
2. The library offers a comprehensive set of features, including form validation, error handling, and server-side form handling.
3. The API is intuitive and easy to use, making it a great choice for developers who want to quickly set up forms in their SvelteKit applications.

Cons

1. ciscoheat/sveltekit-superforms is a relatively new library, and may not have the same level of community support and documentation as some other form libraries.
2. The library may not be as flexible or customizable as some other form libraries, which could be a drawback for developers with more complex form requirements.
3. The library is specific to SvelteKit, so it may not be suitable for developers who are using other frameworks or libraries.

pablo-abc/felte

felte is a form library that can be used with a variety of frameworks, including SvelteKit, React, and Vue.

Pros

1. felte is a more mature and feature-rich library than ciscoheat/sveltekit-superforms, with a larger community and more documentation.
2. felte is framework-agnostic, making it a more versatile choice for developers who may be working with multiple frameworks.
3. felte offers a more flexible and customizable API than ciscoheat/sveltekit-superforms, which may be a better fit for developers with more complex form requirements.

Cons

1. felte may have a steeper learning curve than ciscoheat/sveltekit-superforms, as it is a more feature-rich and complex library.
2. felte may not integrate as seamlessly with SvelteKit as ciscoheat/sveltekit-superforms, which is specifically designed for the framework.

felte is a lightweight and flexible form validation library for Svelte.

Code Example for pablo-abc/felte

<script>
  import { createForm } from 'felte';

  const { form, errors } = createForm({
    onSubmit: (values) => console.log(values)
  });
</script>

<form use:form>
  <input type="text" name="name" />
  {#if $errors.name}
    <div>{$errors.name}</div>
  {/if}
  <button type="submit">Submit</button>
</form>

Pros of pablo-abc/felte

1. Lightweight and Flexible: felte is a lightweight library that provides a flexible API, allowing developers to easily integrate it into their Svelte applications.
2. Reactive Validation: felte automatically updates the form state and validation errors, providing a seamless user experience.
3. Extensibility: felte can be extended with custom validation rules and integrations, making it a versatile choice for various form use cases.

Cons of pablo-abc/felte

1. Limited Documentation: Compared to the other projects, the documentation for felte may be less comprehensive, which could make it more challenging for new users to get started.
2. Smaller Community: felte has a smaller community compared to the other projects, which could mean fewer resources and support available for developers.
3. Lack of Advanced Features: While felte is a capable form validation library, it may not offer the same level of advanced features and functionality as the other projects, depending on the specific needs of the project.

Comparison to ciscoheat/sveltekit-superforms

sveltekit-superforms is a form handling library for SvelteKit that provides a comprehensive set of features, including validation, file uploads, and more.

Comparison to pablo-abc/felte

While both felte and sveltekit-superforms are form validation libraries for Svelte, felte is generally more lightweight and focused on the core form validation functionality, while sveltekit-superforms offers a more feature-rich and opinionated approach to form handling.