Swap Case

Swap the case of a string.

Supports Unicode (non-ASCII characters) and non-string entities, such as objects with a toString property, numbers and booleans. Empty values (null and undefined) will result in an empty string.

Installation

npm install swap-case --save

Usage

var swapCase = require('swap-case')

swapCase(null)                   //=> ""
swapCase('string')               //=> "STRING"
swapCase('PascalCase')           //=> "pASCALcASE"
swapCase('Iñtërnâtiônàlizætiøn') //=> "iÑTËRNÂTIÔNÀLIZÆTIØN"

swapCase('My String', 'tr') //=> "mY sTRİNG"

Typings

Includes a TypeScript definition.

License

MIT