styled-formatter

A CLI tool to format styled-components template literals in your codebase. It ensures that your CSS-in-JS remains clean, consistent, and easy to read, supporting both styled-components and css tagged template literals.

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Features

• Automatic Formatting: Formats styled-components and css tagged template literals in .ts, .tsx, and .js files.
• Diff View: Displays changes as a diff for review.
• Auto-fix Mode: Apply fixes directly to your files with the --fix option.
• Indentation Control: Customize the indentation style (tabs or spaces, default: 2 spaces).
• Language Support: Works seamlessly with TypeScript and JavaScript projects.

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Installation

Global Installation

Install globally to use the CLI tool anywhere:

npm install -g styled-formatter

Local Installation

Add styled-formatter as a development dependency in your project:

npm install --save-dev styled-formatter

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Usage

styled-formatter provides a simple and intuitive command-line interface for checking and fixing formatting issues.

Basic Command

To check for formatting issues:

styled-formatter "src/**/*.ts"

Auto-fix Formatting

Apply fixes directly to the files:

styled-formatter "src/**/*.ts" --fix

Specify Indentation

Set custom indentation styles. By default, the indentation is set to 2 spaces:

styled-formatter "src/**/*.ts" --indent tab
styled-formatter "src/**/*.ts" --indent 4 # 4 spaces

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Examples

Input

import styled from "styled-components";

const Button = styled.button`
color:red;
font-size:12px;
`;

const Wrapper = styled.div`
  border: 1px solid black;
  &:hover {
    color:white;
  }
`;

Output (after formatting)

import styled from "styled-components";

const Button = styled.button`
  color: red;
  font-size: 12px;
`;

const Wrapper = styled.div`
  border: 1px solid black;

  &:hover {
    color: white;
  }
`;

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CLI Options

Option	Description
--fix	Automatically apply fixes to formatting issues.
--indent <type>	Specify indentation style (tab or spaces). Default: 2.
[files...]	Glob pattern to specify files to format.

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Configuration

No additional configuration files are required. The tool uses a predefined formatting style inspired by best practices and popular tools like Prettier.

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Integration with Other Tools

Using npm scripts

Add a script to your package.json:

"scripts": {
  "format": "styled-formatter 'src/**/*.{ts,tsx}' --fix"
}

Run the formatter:

npm run format

Git Hooks

You can integrate styled-formatter with tools like husky to enforce formatting during pre-commit:

npx husky add .husky/pre-commit "npm run format"

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Contributing

We welcome contributions! If you encounter issues or have ideas for new features, please open an issue or submit a pull request.

Steps to Contribute

1. Clone the repository:

   git clone https://github.com/yudppp/styled-formatter.git

2. Install dependencies:

   npm install

3. Run tests to verify changes:

   npm test

4. Create a pull request with your changes.

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License

This project is licensed under the MIT License. See the LICENSE file for details.