sample in node js

index.ts

import { mkdir, open, writeFile} from 'fs/promises';
import { existsSync } from 'fs';
var dir = './asset';

async function start() {

    if (!existsSync(dir)) {
        await mkdir(dir);
    }

    process.chdir('./asset')
    console.log(process.cwd())


    await open('text.txt', 'w').catch(err => console.log(err));

    const data = {
        name: "Javascript Runtime Engine",
        isMultiOS: true,
        isOpenSource: true,
    };

    writeFile('data.json', JSON.stringify(data,null,2))

}

start()