Parses Steam's binary VDF format used in appinfo.vdf into a JSON object. This version supports versions of appinfo.vdf corresponding to the magic header being 27, 28, and 29 (the current version as of July 2024). For more details on the format of appinfo.vdf see here.

import {readBinaryVDF} from "binary-vdf-2";
import * as fs from "fs";
const stream = fs.createReadStream("appinfo.vdf");
const appinfo = await readBinaryVDF(stream);