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std/fs/eol.ts

Deno standard library
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** 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);}