Detect the dominant newline character of a string
$ npm install detect-newline
const detectNewline = require('detect-newline');
detectNewline('foo\nbar\nbaz\r\n');
//=> '\n'
Returns the detected newline or undefined
when no newline character is found.
Returns the detected newline or \n
when no newline character is found or the input is not a string.
MIT © Sindre Sorhus