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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
/** EndOfLine character enum */export enum EOL {  LF = "\n",  CRLF = "\r\n",}
const regDetect = /(?:\r?\n)/g;
/** * Detect the EOL character for string input. * returns null if no newline */export function detect(content: string): EOL | null {  const d = content.match(regDetect);  if (!d || d.length === 0) {    return null;  }  const hasCRLF = d.some((x: string): boolean => x === EOL.CRLF);
  return hasCRLF ? EOL.CRLF : EOL.LF;}
/** Format the file to the targeted EOL */export function format(content: string, eol: EOL): string {  return content.replace(regDetect, eol);}