Introduction

This documentation outlines a comprehensive approach to structuring and managing React applications using a curated set of tools and best practices. By adhering to these guidelines, you can create scalable, maintainable, and efficient applications.

State Management

Zustand:

• Purpose: Provides a simple and performant way to manage global application state.
• Benefits:
  • Clear and concise API.
  • Efficient updates and performance optimizations.
  • Easy integration with other parts of the application.
• Example:

import create from 'zustand';

const useStore = create((set) => ({
  count: 0,
  increment: () => set((state) => ({ count: state.count + 1 })),
}));

React Query:

• Purpose: Manages asynchronous data fetching and caching.
• Benefits:
  • Automatic data fetching and caching.
  • Easy handling of loading, error, and success states.
  • Built-in query invalidation and refetching.
• Example:

import { useQuery } from 'react-query';

const fetchUsers = async () => {
  const response = await fetch('https://api.example.com/users');
  return response.json();
};

const UsersList = () => {
  const { isLoading, isError, data, error } = useQuery('users', fetchUsers);

  if (isLoading) return <div>Loading...</div>;
  if (isError) return <div>Error: {error.message}</div>;

  return (
    <ul>
      {data.map((user) => (
        <li key={user.id}>{user.name}</li>
      ))}
    </ul>
  );
};

Data Manipulation

Mutation:

• Purpose: Handles state mutations triggered by user actions or API calls.
• Benefits:
  • Centralized mutation logic.
  • Easy integration with React Query for optimistic updates.
• Example:

import { useMutation } from 'react-query';

const createUser = async (userData) => {
  const response = await fetch('https://api.example.com/users', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(userData),
  });
  return response.json();
};

const CreateUserForm = () => {
  const [createUserMutation] = useMutation(createUser);

  const handleSubmit = (userData) => {
    createUserMutation(userData)
      .then(() => {
        // Handle success
      })
      .catch((error) => {
        // Handle error
      });
  };

  return (
    <form onSubmit={handleSubmit}>
      {/* Form fields */}
      <button type="submit">Create User</button>
    </form>
  );
};

Table Management

TanStack Table:

• Purpose: Provides a flexible and performant table component.
• Benefits:
  • Customizable and extensible.
  • Supports large datasets and complex interactions.
  • Integrates well with React Query for data fetching.
• Example:

import { useTable } from 'tanstack/react-table';

const columns = [
  { header: 'Name', accessor: 'name' },
  { header: 'Email', accessor: 'email' },
];

const data = [
  { name: 'John Doe', email: 'john@example.com' },
  // ...
];

const TableComponent = () => {
  const { getTableProps, getTableBodyProps, headerGroups, rows } = useTable({
    columns,
    data,
  });

  return (
    <table {...getTableProps()}>
      <thead>
        {headerGroups.map((headerGroup) => (
          <tr {...headerGroup.getHeaderGroupProps()}>
            {headerGroup.headers.map((column) => (
              <th {...column.getHeaderProps()}>{column.render('Header')}</th>
            ))}
          </tr>
        ))}
      </thead>
      <tbody {...getTableBodyProps()}>
        {rows.map((row) => (
          <tr {...row.getRowProps()}>
            {row.cells.map((cell) => (
              <td {...cell.getCellProps()}>{cell.render('Cell')}</td>
            ))}
          </tr>
        ))}
      </tbody>
    </table>
  );
};

Component Libraries

Radix UI:

• Purpose: Provides a collection of headless UI components.
• Benefits:
  • Customizable and flexible.
  • Focuses on core functionality without styling.
  • Well-integrated with accessibility standards.
• Example:

import { Menu } from '@radix-ui/react-menu';

const MenuComponent = () => {
  return (
    <Menu>
      <Menu.Button>Open Menu</Menu.Button>
      <Menu.Items>
        <Menu.Item>Item 1</Menu.Item>
        <Menu.Item>Item 2</Menu.Item>
      </Menu.Items>
    </Menu>
  );
};

Tailwind CSS:

• Purpose: Utility-first CSS framework.
• Benefits:
  • Rapid development and styling.
  • Consistent and predictable styling.
  • Easily customizable.
• Example:

import create from 'zustand';

const useStore = create((set) => ({
  count: 0,
  increment: () => set((state) => ({ count: state.count + 1 })),
}));

Form Management

Formik with Yup:

• Purpose: Handles form state, validation, and submission.
• Benefits:
  • Simplified form management.
  • Declarative validation rules.
  • Easy integration with other libraries.
• Example:

import { useQuery } from 'react-query';

const fetchUsers = async () => {
  const response = await fetch('https://api.example.com/users');
  return response.json();
};

const UsersList = () => {
  const { isLoading, isError, data, error } = useQuery('users', fetchUsers);

  if (isLoading) return <div>Loading...</div>;
  if (isError) return <div>Error: {error.message}</div>;

  return (
    <ul>
      {data.map((user) => (
        <li key={user.id}>{user.name}</li>
      ))}
    </ul>
  );
};

TypeScript

• Purpose: Statically typed superset of JavaScript.
• Benefits:
  • Improved code quality and maintainability.
  • Early detection of errors.
  • Better type safety and code completion.

Project Structure

src/
├── components/
│ ├── Button.jsx
│ ├── Input.jsx
│ └── ...
├── pages/
│ ├── Home.jsx
│ │ components/
│ │ ├── Hero.jsx
│ │ └── ...
│ ├── About.jsx
│ └── ...
├── lib/
│ ├── utils.js
│ └── ...
├── actions/
│ ├── api.js
│ └── ...
├── stores/
│ ├── counterStore.js
│ └── ...

Conclusion

By following these guidelines and utilizing the recommended tools, you can build robust, scalable, and maintainable React applications. This approach promotes code organization, reusability, and efficient state management, resulting in a better development experience and higher-quality software.

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