Code coverage report for modules/SerialDisposable.js

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'use strict';
 
var _interopRequireWildcard = function (obj) { return obj && obj.__esModule ? obj : { 'default': obj }; };
 
var _classCallCheck = function (instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } };
 
exports.__esModule = true;
 
var _isDisposable = require('./isDisposable');
 
var _isDisposable2 = _interopRequireWildcard(_isDisposable);
 
var SerialDisposable = (function () {
  function SerialDisposable() {
    _classCallCheck(this, SerialDisposable);
 
    this.isDisposed = false;
    this.current = null;
  }
 
  /**
   * Gets the underlying disposable.
   * @return The underlying disposable.
   */
 
  SerialDisposable.prototype.getDisposable = function getDisposable() {
    return this.current;
  };
 
  /**
   * Sets the underlying disposable.
   * @param {Disposable} value The new underlying disposable.
   */
 
  SerialDisposable.prototype.setDisposable = function setDisposable() {
    var value = arguments[0] === undefined ? null : arguments[0];
 
    if (value != null && !_isDisposable2['default'](value)) {
      throw new Error('Expected either an empty value or a valid disposable');
    }
 
    var isDisposed = this.isDisposed;
    var previous = undefined;
 
    if (!isDisposed) {
      previous = this.current;
      this.current = value;
    }
 
    if (previous) {
      previous.dispose();
    }
 
    if (isDisposed && value) {
      value.dispose();
    }
  };
 
  /**
   * Disposes the underlying disposable as well as all future replacements.
   */
 
  SerialDisposable.prototype.dispose = function dispose() {
    if (this.isDisposed) {
      return;
    }
 
    this.isDisposed = true;
    var previous = this.current;
    this.current = null;
 
    if (previous) {
      previous.dispose();
    }
  };
 
  return SerialDisposable;
})();
 
exports['default'] = SerialDisposable;
module.exports = exports['default'];
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