AsyncSubject.js 2.3 KB

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  1. "use strict";
  2. var __extends = (this && this.__extends) || (function () {
  3. var extendStatics = function (d, b) {
  4. extendStatics = Object.setPrototypeOf ||
  5. ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
  6. function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
  7. return extendStatics(d, b);
  8. };
  9. return function (d, b) {
  10. if (typeof b !== "function" && b !== null)
  11. throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
  12. extendStatics(d, b);
  13. function __() { this.constructor = d; }
  14. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  15. };
  16. })();
  17. Object.defineProperty(exports, "__esModule", { value: true });
  18. exports.AsyncSubject = void 0;
  19. var Subject_1 = require("./Subject");
  20. var AsyncSubject = (function (_super) {
  21. __extends(AsyncSubject, _super);
  22. function AsyncSubject() {
  23. var _this = _super !== null && _super.apply(this, arguments) || this;
  24. _this._value = null;
  25. _this._hasValue = false;
  26. _this._isComplete = false;
  27. return _this;
  28. }
  29. AsyncSubject.prototype._checkFinalizedStatuses = function (subscriber) {
  30. var _a = this, hasError = _a.hasError, _hasValue = _a._hasValue, _value = _a._value, thrownError = _a.thrownError, isStopped = _a.isStopped, _isComplete = _a._isComplete;
  31. if (hasError) {
  32. subscriber.error(thrownError);
  33. }
  34. else if (isStopped || _isComplete) {
  35. _hasValue && subscriber.next(_value);
  36. subscriber.complete();
  37. }
  38. };
  39. AsyncSubject.prototype.next = function (value) {
  40. if (!this.isStopped) {
  41. this._value = value;
  42. this._hasValue = true;
  43. }
  44. };
  45. AsyncSubject.prototype.complete = function () {
  46. var _a = this, _hasValue = _a._hasValue, _value = _a._value, _isComplete = _a._isComplete;
  47. if (!_isComplete) {
  48. this._isComplete = true;
  49. _hasValue && _super.prototype.next.call(this, _value);
  50. _super.prototype.complete.call(this);
  51. }
  52. };
  53. return AsyncSubject;
  54. }(Subject_1.Subject));
  55. exports.AsyncSubject = AsyncSubject;
  56. //# sourceMappingURL=AsyncSubject.js.map