poweroff-tool/src/utils/condition-checker.js

This is application which power off a pc when it triggered

const { StringDecoder } = require('string_decoder');
const decoder = new StringDecoder('utf8');

// Async function
module.exports = (varbinds, callback) => {
  console.time('condition -check')
  try {
    for (var i = 0; i < varbinds.length; i++) {
      if (varbinds[i].type === 4) {
        if (Buffer.isBuffer(varbinds[i].value)) {
          if (decoder.write(varbinds[i].value) === "true") {
            callback(null, true);
            return;
          }
        }
      }
    }
  } catch (err) {
    console.log(err);
  }
  callback(null, false);
  console.timeEnd('condition -check');
}