@cantoo/pdf-lib/src/core/syntax/Whitespace.ts

Create and modify PDF files with JavaScript

import CharCodes from './CharCodes';

export const IsWhitespace = new Uint8Array(256);

IsWhitespace[CharCodes.Null] = 1;
IsWhitespace[CharCodes.Tab] = 1;
IsWhitespace[CharCodes.Newline] = 1;
IsWhitespace[CharCodes.FormFeed] = 1;
IsWhitespace[CharCodes.CarriageReturn] = 1;
IsWhitespace[CharCodes.Space] = 1;