camel-kit

A lightweight and feature-rich utility library for bidirectional conversion between camelCase and snake_case.

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Core Features

• Bidirectional Conversion: Supports seamless conversion between camelCase ↔ snake_case.
• Flexible Configuration: Customize behavior with options (e.g., preserve consecutive uppercase letters, custom separators).
• Unicode Support: Compatible with multilingual characters (e.g., Greek letters, Japanese).
• Zero Dependencies: Only ~2KB (gzipped).

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Installation

npm

npm add camel-kit

pnpm

pnpm add camel-kit

yarn

yarn add camel-kit

html

<script src="https://cdn.jsdelivr.net/npm/camel-kit/dist/index.umd.min.js"></script>
<script>
  const { camelize, decamelize } = CamelKit;
  console.log(camelize('snake_case_example')); // Output: snakeCaseExample
  console.log(decamelize('camelCaseExample')); // Output: camel_case_example
</script>

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Quick Start

import { camelize, decamelize } from 'camel-kit';

// Snake to Camel
console.log(camelize('snake_case_example')); // Output: snakeCaseExample

// Camel to Snake
console.log(decamelize('camelCaseExample')); // Output: camel_case_example

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Advanced Features

1. Configuration Options

camelize Options

// Convert to PascalCase (uppercase first letter)
console.log(camelize('hello_world', { pascalCase: true })); // Output: HelloWorld

// Preserve consecutive uppercase letters (e.g., 'HTTPRequest' → 'http_Request')
console.log(camelize('HTTP_Request', { preserveConsecutiveUppercase: true })); // Output: hTTP_Request

decamelize Options

// Custom separator (e.g., kebab-case)
console.log(decamelize('camelCase', { separator: '-' })); // Output: camel-case

// Preserve consecutive uppercase letters (e.g., 'FOOBar' → 'FOO_Bar')
console.log(decamelize('FOOBar', { preserveConsecutiveUppercase: true })); // Output: FOO_Bar

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2. Array Input Handling

console.log(camelize(['hello', 'world'])); // Output: helloWorld
console.log(decamelize('helloWorld', { separator: '_' })); // Output: hello_world

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3. Unicode Support

// Process multilingual characters
console.log(camelize('üser_näme')); // Output: üserNäme
console.log(decamelize('üserNäme')); // Output: üser_näme

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Browser Support

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