"use strict"; const fs = require("fs").promises; async function readJson(file) { const data = await fs.readFile(file); return JSON.parse(data); } function writeJson(file, content) { content = JSON.stringify(content, null, 2); return fs.writeFile(file, content); } async function copyFile(from, to) { const data = await fs.readFile(from); return fs.writeFile(to, data); } module.exports = { readJson, writeJson, copyFile, };