String Case Kit

A lightweight, zero‑dependency TypeScript utility for professional string manipulation. Whether you're building a CLI, a web app, or an API, String Case Kit handles every case transformation with a clean, chainable API.

Features

• Zero Dependencies – Pure TypeScript/JavaScript
• Type Safe – Fully typed interfaces for the best DX
• Smart Detection – Automatically detects the case of your input string
• NPM Ready – Tree‑shakeable and lightweight
• Chainable Logic – Simple functional approach to string transformations

Installation

npm install string-case-kit

Quick Start ⚡

import { converter } from "string-case-kit";

const myStr = converter("hello_world_api");

console.log(myStr.toCamelCase()); 
// helloWorldApi

console.log(myStr.toPascalCase()); 
// HelloWorldApi

console.log(myStr.toKebabCase()); 
// hello-world-api

API Reference 📖

Case Conversions

toCamelCase() → helloWorldApi

toPascalCase() → HelloWorldApi

toSnakeCase() → hello_world_api

toScreamingSnakeCase() → HELLO_WORLD_API

toKebabCase() → hello-world-api

toDotCase() → hello.world.api

toPathCase() → hello/world/api

Formatting

toTitleCase() → Hello World Api

toSentenceCase() → Hello world api

toUpperCase() → HELLO WORLD API

toLowerCase() → hello world api

Utilities

toggleCase() → flips upper/lower case for each character

reverse() → reverses the string

all() → returns all case formats at once

detect() → detects the case type (camelCase, snakeCase, etc.)

is.camelCase() → boolean check for camelCase

custom(separator?: string) → custom separator join

slug() → URL‑friendly slug

words() → array of words

count() → { words, chars }

Example Usage 🔧

const str = converter("MyAwesomeAPI");

console.log(str.detect()); 
// pascalCase

console.log(str.is.camelCase()); 
// false

console.log(str.all());
/*
{
  camelCase: "myAwesomeApi",
  pascalCase: "MyAwesomeApi",
  snakeCase: "my_awesome_api",
  screamingSnakeCase: "MY_AWESOME_API",
  kebabCase: "my-awesome-api",
  dotCase: "my.awesome.api",
  pathCase: "my/awesome/api",
  titleCase: "My Awesome Api",
  sentenceCase: "My awesome api",
  upperCase: "MY AWESOME API",
  lowerCase: "my awesome api"
}
*/