# Swap Case [![NPM version][npm-image]][npm-url] [![NPM downloads][downloads-image]][downloads-url] [![Bundle size][bundlephobia-image]][bundlephobia-url] > Transform a string by swapping every character from upper to lower case, or lower to upper case. ## Installation ``` npm install swap-case --save ``` ## Usage ```js import { swapCase } from "swap-case"; swapCase("string"); //=> "STRING" swapCase("dot.case"); //=> "DOT.CASE" swapCase("PascalCase"); //=> "pASCALcASE" ``` ## License MIT [npm-image]: https://img.shields.io/npm/v/swap-case.svg?style=flat [npm-url]: https://npmjs.org/package/swap-case [downloads-image]: https://img.shields.io/npm/dm/swap-case.svg?style=flat [downloads-url]: https://npmjs.org/package/swap-case [bundlephobia-image]: https://img.shields.io/bundlephobia/minzip/swap-case.svg [bundlephobia-url]: https://bundlephobia.com/result?p=swap-case