held/lib/util/LeakDetector.js

Detect paths within an object which held external references.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _weak = require('weak');

var _weak2 = _interopRequireDefault(_weak);

var _node = require('./gc/node');

var _node2 = _interopRequireDefault(_node);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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

var LeakDetector = function () {
  function LeakDetector(value) {
    var _this = this;

    _classCallCheck(this, LeakDetector);

    if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object' || value === null) {
      throw new TypeError('value must be an object');
    }

    (0, _weak2.default)(value, function () {
      _this._isHeld = false;
    });

    this._isHeld = true;

    value = null;
  }

  _createClass(LeakDetector, [{
    key: 'isLeaking',
    value: function isLeaking() {
      (0, _node2.default)();

      return this._isHeld;
    }
  }]);

  return LeakDetector;
}();

exports.default = LeakDetector;
module.exports = exports['default'];