Repositorio del curso CCOM4030 el semestre B91 del proyecto Artesanías con el Instituto de Cultura

exhaust.js 2.1KB

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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 (b.hasOwnProperty(p)) d[p] = b[p]; };
  7. return extendStatics(d, b);
  8. }
  9. return function (d, b) {
  10. extendStatics(d, b);
  11. function __() { this.constructor = d; }
  12. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  13. };
  14. })();
  15. Object.defineProperty(exports, "__esModule", { value: true });
  16. var innerSubscribe_1 = require("../innerSubscribe");
  17. function exhaust() {
  18. return function (source) { return source.lift(new SwitchFirstOperator()); };
  19. }
  20. exports.exhaust = exhaust;
  21. var SwitchFirstOperator = (function () {
  22. function SwitchFirstOperator() {
  23. }
  24. SwitchFirstOperator.prototype.call = function (subscriber, source) {
  25. return source.subscribe(new SwitchFirstSubscriber(subscriber));
  26. };
  27. return SwitchFirstOperator;
  28. }());
  29. var SwitchFirstSubscriber = (function (_super) {
  30. __extends(SwitchFirstSubscriber, _super);
  31. function SwitchFirstSubscriber(destination) {
  32. var _this = _super.call(this, destination) || this;
  33. _this.hasCompleted = false;
  34. _this.hasSubscription = false;
  35. return _this;
  36. }
  37. SwitchFirstSubscriber.prototype._next = function (value) {
  38. if (!this.hasSubscription) {
  39. this.hasSubscription = true;
  40. this.add(innerSubscribe_1.innerSubscribe(value, new innerSubscribe_1.SimpleInnerSubscriber(this)));
  41. }
  42. };
  43. SwitchFirstSubscriber.prototype._complete = function () {
  44. this.hasCompleted = true;
  45. if (!this.hasSubscription) {
  46. this.destination.complete();
  47. }
  48. };
  49. SwitchFirstSubscriber.prototype.notifyComplete = function () {
  50. this.hasSubscription = false;
  51. if (this.hasCompleted) {
  52. this.destination.complete();
  53. }
  54. };
  55. return SwitchFirstSubscriber;
  56. }(innerSubscribe_1.SimpleOuterSubscriber));
  57. //# sourceMappingURL=exhaust.js.map