const daffy = require('daffy');
const patchfile = require('patchfile');
const patch = daffy.createPatch('hello', 'hello world');
const tryToCatch = require('try-to-catch');

/* patch file thet not bigger then 2kb */
const [e] = await tryToCatch(patchfile, 'hello.txt', patch, {
    size: 2048,
});

if (e)
    console.error(e.message);