unform

Pros of Formik

• Larger community and ecosystem, with more third-party integrations and resources
• Built-in support for Yup schema validation
• More comprehensive documentation and examples

Cons of Formik

• Steeper learning curve, especially for complex forms
• More verbose syntax for form setup and configuration
• Larger bundle size compared to Unform

Code Comparison

Formik:

import { Formik, Form, Field } from 'formik';

<Formik initialValues={{ name: '' }} onSubmit={handleSubmit}>
  <Form>
    <Field name="name" />
    <button type="submit">Submit</button>
  </Form>
</Formik>

Unform:

import { Form } from '@unform/web';
import Input from './Input';

<Form onSubmit={handleSubmit}>
  <Input name="name" />
  <button type="submit">Submit</button>
</Form>

Both Formik and Unform are popular form libraries for React applications. Formik offers a more mature ecosystem and extensive documentation, making it a solid choice for complex form scenarios. However, it comes with a steeper learning curve and more verbose syntax. Unform, on the other hand, provides a simpler API and smaller bundle size, which can be advantageous for smaller projects or when performance is a primary concern. The choice between the two largely depends on the specific requirements of your project and personal preferences.

Pros of react-hook-form

• Smaller bundle size and better performance
• More extensive documentation and community support
• Built-in TypeScript support

Cons of react-hook-form

• Steeper learning curve for complex forms
• Less flexibility in form structure compared to Unform

Code Comparison

Unform:

import { Form } from '@unform/web';
import Input from './components/Input';

function MyForm() {
  function handleSubmit(data) {
    console.log(data);
  }

  return (
    <Form onSubmit={handleSubmit}>
      <Input name="email" />
      <button type="submit">Submit</button>
    </Form>
  );
}

react-hook-form:

import { useForm } from 'react-hook-form';

function MyForm() {
  const { register, handleSubmit } = useForm();
  const onSubmit = data => console.log(data);

  return (
    <form onSubmit={handleSubmit(onSubmit)}>
      <input {...register("email")} />
      <button type="submit">Submit</button>
    </form>
  );
}

Both libraries aim to simplify form handling in React applications, but they differ in their approach. react-hook-form focuses on performance and minimal re-renders, while Unform provides a more flexible structure for complex forms. The choice between them depends on the specific needs of your project, such as form complexity, performance requirements, and developer preferences.

Pros of React Final Form

• More mature and widely adopted in the React community
• Extensive documentation and larger ecosystem of resources
• Field-level validation and error handling out of the box

Cons of React Final Form

• Steeper learning curve due to more complex API
• Requires more boilerplate code for basic form setups
• Less TypeScript-friendly compared to Unform

Code Comparison

React Final Form:

import { Form, Field } from 'react-final-form'

<Form
  onSubmit={onSubmit}
  render={({ handleSubmit }) => (
    <form onSubmit={handleSubmit}>
      <Field name="firstName" component="input" placeholder="First Name" />
      <button type="submit">Submit</button>
    </form>
  )}
/>

Unform:

import { Form } from '@unform/web'
import Input from './components/Input'

<Form onSubmit={handleSubmit}>
  <Input name="firstName" placeholder="First Name" />
  <button type="submit">Submit</button>
</Form>

Both libraries offer powerful form management solutions for React applications. React Final Form provides a more feature-rich and battle-tested option, while Unform offers a simpler API and better TypeScript integration. The choice between the two depends on project requirements, team expertise, and preference for API style.

Pros of redux-form

• Deeply integrated with Redux, providing a centralized state management solution
• Extensive documentation and large community support
• Robust validation and error handling capabilities

Cons of redux-form

• Requires Redux as a dependency, which may be overkill for simpler applications
• Can lead to increased boilerplate code
• Performance issues with large forms due to frequent re-renders

Code Comparison

redux-form:

import { reduxForm, Field } from 'redux-form';

const MyForm = ({ handleSubmit }) => (
  <form onSubmit={handleSubmit}>
    <Field name="username" component="input" type="text" />
    <button type="submit">Submit</button>
  </form>
);

export default reduxForm({ form: 'myForm' })(MyForm);

unform:

import { Form, Input } from '@unform/web';

const MyForm = () => (
  <Form onSubmit={handleSubmit}>
    <Input name="username" />
    <button type="submit">Submit</button>
  </Form>
);

export default MyForm;

Key Differences

• unform is more lightweight and doesn't require Redux
• redux-form provides more out-of-the-box features for complex form scenarios
• unform offers a simpler API and less boilerplate code
• redux-form has better TypeScript support and type definitions
• unform focuses on performance and minimizes unnecessary re-renders

Pros of TanStack Form

• More comprehensive and feature-rich, offering advanced form management capabilities
• Better TypeScript support and type inference
• Larger community and more frequent updates

Cons of TanStack Form

• Steeper learning curve due to its complexity
• Potentially heavier bundle size for simpler form use cases

Code Comparison

Unform:

import { Form } from '@unform/web';

const MyForm = () => (
  <Form onSubmit={handleSubmit}>
    <Input name="email" />
    <Input name="password" type="password" />
    <button type="submit">Submit</button>
  </Form>
);

TanStack Form:

import { useForm } from '@tanstack/react-form';

const MyForm = () => {
  const form = useForm({
    defaultValues: { email: '', password: '' },
    onSubmit: handleSubmit,
  });
  return (
    <form.Provider>
      <form.Field name="email" />
      <form.Field name="password" type="password" />
      <button type="submit">Submit</button>
    </form.Provider>
  );
};

Both libraries aim to simplify form management in React applications, but TanStack Form offers more advanced features and better TypeScript support. Unform provides a simpler API and may be easier to get started with for basic form needs. The choice between them depends on the complexity of your form requirements and your familiarity with form libraries.