@technobuddha/library/src/split-lines.test.ts

A large library of useful functions

import { splitLines } from './split-lines.ts';
import { empty } from './unicode.ts';

describe('splitLines', () => {
  test('should not split strings', () => {
    expect(splitLines('abcdefghi')).toEqual(['abcdefghi']);
    expect(splitLines(empty)).toEqual([]);
  });

  test('should handle windows end of line', () => {
    expect(splitLines('a\r\nb\r\nc\r\nd')).toEqual(['a', 'b', 'c', 'd']);
  });

  test('should handle unix end of line', () => {
    expect(splitLines('a\nb\nc\nd')).toEqual(['a', 'b', 'c', 'd']);
  });

  test('should handle null end of line', () => {
    expect(splitLines('a\0b\0c\0d')).toEqual(['a', 'b', 'c', 'd']);
  });

  test('should handle LF/CR end of line', () => {
    expect(splitLines('a\n\rb\n\rc\n\rd')).toEqual(['a', 'b', 'c', 'd']);
  });

  test('should handle Mixed end of line', () => {
    expect(splitLines('a\r\nb\n\rc\nd\re\0f')).toEqual(['a', 'b', 'c', 'd', 'e', 'f']);
  });
});