lightstep-tracer/lib/imp/util/util.js

> ❗ **This instrumentation is no longer recommended**. Please review [documentation on setting up and configuring the OpenTelemetry Node.js Launcher](https://github.com/lightstep/otel-launcher-node) or [OpenTelemetry JS (Browser)](https://github.com/open-

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

var converter = require('hex2dec');

var Util = /*#__PURE__*/function () {
  function Util() {
    _classCallCheck(this, Util);
  }

  _createClass(Util, [{
    key: "detachedTimeout",
    value: // Similar to a regular setTimeout() call, but dereferences the timer so the
    // program execution will not be held up by this timer.
    function detachedTimeout(callback, delay) {
      var timer = setTimeout(callback, delay);

      if (timer.unref) {
        timer.unref();
      }

      return timer;
    }
  }, {
    key: "shouldSendMetaSpan",
    value: function shouldSendMetaSpan(opts, tags) {
      var shouldSendSpan = opts.meta_event_reporting === true && tags['lightstep.meta_event'] !== true;
      return shouldSendSpan;
    } // Use native BigInt if available. Native BigInt has a significant
    // performance improvement over hex2dec

  }, {
    key: "hexToDec",
    value: function hexToDec(hexString) {
      if (typeof global.BigInt !== 'function') {
        return converter.hexToDec(hexString);
      } // eslint-ignore-line


      return global.BigInt("0x".concat(hexString)).toString(10);
    }
  }]);

  return Util;
}();

var _default = new Util();

exports["default"] = _default;
module.exports = exports.default;

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