case-converters

!npm version
!npm downloads
!license

> ⚠️ Not to be confused with the deprecated case-converter.
> ✅ case-converters is a modern, actively maintained package with full TypeScript support, robust object key transformation, and support for 15+ string casing styles.

---

case-converters is a lightweight yet powerful utility to convert strings and object keys into a wide range of naming conventions — like camelCase, PascalCase, snake_case, kebab-case, Train-Case, SpongeCase, and more.

- ✔ Supports string and object key transformation
- ✔ Works with arrays of objects
- ✔ ESM & CommonJS compatible
- ✔ 100% written in TypeScript

---

📚 Table of Contents

- 📦 Supported Case Styles
- 🔧 Installation
- 🚀 Quick Usage
- 🔹 String Case Conversion
- 🔹 Object Key Case Conversion
- 📘 API Reference
- 🔹 String Methods
- 🔹 Object Key Methods
- 🌐 Live Demo
- 🔗 Links
- 📄 License
- 📬 Contact

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📦 Supported Case Styles

- camel, pascal, snake, kebab, constant, dot, path, title, sentence, capital, train
- sponge, swap, upper, lower, no, localeUpper, localeLower, lowerFirst, upperFirst
- ... and more!

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🔧 Installation

```bash
npm install case-converters

🚀 Quick Usage

$3

#### CommonJS

`js
const { camel, upper } = require("case-converters");

console.log(camel("test string")); // testString
console.log(upper("test string")); // TEST STRING
``

#### ES Modules / TypeScript

`ts
import { Case } from "case-converters";

console.log(Case.camel("test string")); // testString
console.log(Case.upper("test string")); // TEST STRING
`

---

$3

Convert keys of an object (or array of objects):

`js
const { objToCamel, objToPascal } = require("case-converters");

const input = [{ user_name: "Alice" }, { user_name: "Bob" }];

console.log(objToCamel(input));
console.log(objToPascal(input));
`

---

📘 API Reference

$3

You can use either the Case class or direct function imports:

`ts
import {
camel,
capital,
constant,
dot,
no,
pascal,
path,
sentence,
snake,
train,
kebab,
sponge,
swap,
title,
upper,
localeUpper,
lower,
localeLower,
lowerFirst,
upperFirst,
isUpper,
isLower,
} from "case-converters";

const str = "test string";

camel(str);
pascal(str);
snake(str);
// ...
`

Or use the class style:

`ts
import { Case } from "case-converters";

Case.kebab(str);
Case.title(str);
`

---

$3

Available functions:

- objToCamel(obj)
- objToPascal(obj)
- objToSnake(obj)
- objToKebab(obj)
- objToConstant(obj)
- objToCapital(obj)
- objToTrain(obj)
- objToTitle(obj)
- objToSentence(obj)
- objToDot(obj)
- objToPath(obj)
- objToNot(obj)
- objToSponge(obj)
- objToSwap(obj)
- objToUpper(obj)
- objToLower(obj)

Example:

`js
const obj = { first_name: "John", last_name: "Doe" };
console.log(objToCamel(obj));
``

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🌐 Live Demo

Try it online:
👉 StackBlitz Live Demo

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🔗 Links

- 🧠 GitHub: cvchauhan/case-converter
- 📦 npm: case-converters

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📄 License

ISC © Chirag Chauhan

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📬 Contact

For questions, suggestions, or collaborations:

- GitHub: @cvchauhan
- Email: chiragvchauhan93@gmail.com