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Supports both line feeds (/n) and carriage return line feeds (/r/n). Will only add a newline if one does not already exist.

Installation

yarn add terminating-newline

npm install terminating-newline

pnpm add terminating-newline

API

Usage

import {
  addTerminatingNewline,
  removeTerminatingNewline,
  lineFeed, // "\n"
  carriageReturnLineFeed // "/r/n"
} from "terminating-newline";

addTerminatingNewline("abc", { default: lineFeed }); // "abc/n"

addTerminatingNewline("abc\n", { default: lineFeed }); // "abc/n"

removeTerminatingNewline("abc\n"); // "abc"

Types

function addTerminatingNewline(string: string, options?: Options): string;
function addTerminatingNewline(buffer: Buffer, options?: Options): Buffer;

function removeTerminatingNewline(string: string): string;
function removeTerminatingNewline(buffer: Buffer): Buffer;

type Options = {
  // Fallback if newline type cannot be determined. Default: "\n"
  default?: LineFeed | CarriageReturnLineFeed;
}

type LineFeed = "\n";

type CarriageReturnLineFeed = "\r\n";

• detect-newline: Detect the dominant newline character of a string
• ends-with-string: Check if a string or buffer ends with a given string

• autorepo: Autorepo abstracts away your dev dependencies, providing a single command to run all of your scripts.

MIT