Kotlinic is a JavaScript/TypeScript library that brings Kotlin-like extension functions to your codebase, enabling a more functional and expressive coding style.

• A rich set of extension functions inspired by Kotlin
• Works seamlessly with JavaScript and TypeScript
• Functional programming utilities for arrays, objects, and more

npm install kotlinic

import { mapNotNull } from 'kotlinic/collections'

const numbers = [1, 2, null, 4, null, 6]
const nonNullNumbers = mapNotNull(numbers, (it) => it)

console.log(nonNullNumbers) // Output: [1, 2, 4, 6]

MIT © Injoon Hwang. See LICENSE for details.