sindresorhus/detect-newline

Detect the dominant newline character of a string

JavaScript

55

40 commits

updated Sep 18, 2026

See the code

README

detect-newline

Detect the dominant newline character of a string

Install

npm install detect-newline

Usage

import {detectNewline} from 'detect-newline';

detectNewline('foo\nbar\nbaz\r\n');
//=> '\n'

API

detectNewline(string)

Returns the detected newline or undefined when no newline character is found or \n when no dominant newline is present.

detectNewlineGraceful(unknown)

Returns the detected newline or \n when no newline character is found, no dominant newline is present, or the input is not a string.

Significant stargazers

Arthur Verschaeve

1,596 followers · starred Jul 2015

sindresorhus/detect-newline

Detect the dominant newline character of a string

JavaScript

55

40 commits

updated Sep 18, 2026

See the code

README

detect-newline

Detect the dominant newline character of a string

Install

npm install detect-newline

Usage

import {detectNewline} from 'detect-newline';

detectNewline('foo\nbar\nbaz\r\n');
//=> '\n'

API

detectNewline(string)

Returns the detected newline or undefined when no newline character is found or \n when no dominant newline is present.

detectNewlineGraceful(unknown)

Returns the detected newline or \n when no newline character is found, no dominant newline is present, or the input is not a string.

Significant stargazers

Arthur Verschaeve

1,596 followers · starred Jul 2015