import fs from 'fs'; export function doesFileExist(fileName: string) { return fs.existsSync(fileName); } export function readJsonFile(fileName: string) { const data = fs.readFileSync(fileName).toString(); return JSON.parse(data); } export function writeJsonToFile(fileName: string, data: unknown) { const dataStr = JSON.stringify(data, null, 2); fs.writeFileSync(fileName, dataStr); }