Detect the dominant newline character of a string
$ npm install --save detect-newline
```js const detectNewline = require('detect-newline');
detectNewline('foo\nbar\nbaz\r\n'); //=> '\n' ```
Returns detected newline or null
when no newline character is found.
Returns detected newline or \n
when no newline character is found.
MIT © Sindre Sorhus