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

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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 map_1 = require("./map");
  17. var from_1 = require("../observable/from");
  18. var innerSubscribe_1 = require("../innerSubscribe");
  19. function mergeMap(project, resultSelector, concurrent) {
  20. if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }
  21. if (typeof resultSelector === 'function') {
  22. return function (source) { return source.pipe(mergeMap(function (a, i) { return from_1.from(project(a, i)).pipe(map_1.map(function (b, ii) { return resultSelector(a, b, i, ii); })); }, concurrent)); };
  23. }
  24. else if (typeof resultSelector === 'number') {
  25. concurrent = resultSelector;
  26. }
  27. return function (source) { return source.lift(new MergeMapOperator(project, concurrent)); };
  28. }
  29. exports.mergeMap = mergeMap;
  30. var MergeMapOperator = (function () {
  31. function MergeMapOperator(project, concurrent) {
  32. if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }
  33. this.project = project;
  34. this.concurrent = concurrent;
  35. }
  36. MergeMapOperator.prototype.call = function (observer, source) {
  37. return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));
  38. };
  39. return MergeMapOperator;
  40. }());
  41. exports.MergeMapOperator = MergeMapOperator;
  42. var MergeMapSubscriber = (function (_super) {
  43. __extends(MergeMapSubscriber, _super);
  44. function MergeMapSubscriber(destination, project, concurrent) {
  45. if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }
  46. var _this = _super.call(this, destination) || this;
  47. _this.project = project;
  48. _this.concurrent = concurrent;
  49. _this.hasCompleted = false;
  50. _this.buffer = [];
  51. _this.active = 0;
  52. _this.index = 0;
  53. return _this;
  54. }
  55. MergeMapSubscriber.prototype._next = function (value) {
  56. if (this.active < this.concurrent) {
  57. this._tryNext(value);
  58. }
  59. else {
  60. this.buffer.push(value);
  61. }
  62. };
  63. MergeMapSubscriber.prototype._tryNext = function (value) {
  64. var result;
  65. var index = this.index++;
  66. try {
  67. result = this.project(value, index);
  68. }
  69. catch (err) {
  70. this.destination.error(err);
  71. return;
  72. }
  73. this.active++;
  74. this._innerSub(result);
  75. };
  76. MergeMapSubscriber.prototype._innerSub = function (ish) {
  77. var innerSubscriber = new innerSubscribe_1.SimpleInnerSubscriber(this);
  78. var destination = this.destination;
  79. destination.add(innerSubscriber);
  80. var innerSubscription = innerSubscribe_1.innerSubscribe(ish, innerSubscriber);
  81. if (innerSubscription !== innerSubscriber) {
  82. destination.add(innerSubscription);
  83. }
  84. };
  85. MergeMapSubscriber.prototype._complete = function () {
  86. this.hasCompleted = true;
  87. if (this.active === 0 && this.buffer.length === 0) {
  88. this.destination.complete();
  89. }
  90. this.unsubscribe();
  91. };
  92. MergeMapSubscriber.prototype.notifyNext = function (innerValue) {
  93. this.destination.next(innerValue);
  94. };
  95. MergeMapSubscriber.prototype.notifyComplete = function () {
  96. var buffer = this.buffer;
  97. this.active--;
  98. if (buffer.length > 0) {
  99. this._next(buffer.shift());
  100. }
  101. else if (this.active === 0 && this.hasCompleted) {
  102. this.destination.complete();
  103. }
  104. };
  105. return MergeMapSubscriber;
  106. }(innerSubscribe_1.SimpleOuterSubscriber));
  107. exports.MergeMapSubscriber = MergeMapSubscriber;
  108. exports.flatMap = mergeMap;
  109. //# sourceMappingURL=mergeMap.js.map