Steam Appmanifest Parser

steam-appmanifest-parser.js

const fs = require("fs")
module.exports = AppManifestParser

function isNumeric(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

function recInt(obj) { //replace numeric strings with integers
  for (var p in obj)
    if (typeof obj[p] == "object") obj[p] = recInt(obj[p]);
    else if (typeof obj[p] == "string" && isNumeric(obj[p])) obj[p] = parseInt(obj[p], 10)
  return obj
}

function AppManifestParser(file) { // to be honest that code looks complicated.
  // but it's basically a drm-workaround so I guess it has to
  let c = fs.readFileSync(file).toString()
  c = c.split("\n").filter(e => !!e).map(line => line.replace(/^\t*/g, "").replace(/\t\t/g, ":")).map(line => {
    if (line.indexOf("}") != -1 || line.indexOf("{") != -1) return line
    if (line.indexOf(":") != -1) return line + ","
    else return line + ":"
  })
  c = "{" + c.join("").replace(/,\}/g, "}").replace(/\}\"/g, "},\"") + "}"
  return recInt(JSON.parse(c))
}