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);
9 return function (d, b) {
11 function __() { this.constructor = d; }
12 d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
15 Object.defineProperty(exports, "__esModule", { value: true });
16 var OuterSubscriber_1 = require("../OuterSubscriber");
17 var subscribeToResult_1 = require("../util/subscribeToResult");
18 function distinct(keySelector, flushes) {
19 return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); };
21 exports.distinct = distinct;
22 var DistinctOperator = (function () {
23 function DistinctOperator(keySelector, flushes) {
24 this.keySelector = keySelector;
25 this.flushes = flushes;
27 DistinctOperator.prototype.call = function (subscriber, source) {
28 return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes));
30 return DistinctOperator;
32 var DistinctSubscriber = (function (_super) {
33 __extends(DistinctSubscriber, _super);
34 function DistinctSubscriber(destination, keySelector, flushes) {
35 var _this = _super.call(this, destination) || this;
36 _this.keySelector = keySelector;
37 _this.values = new Set();
39 _this.add(subscribeToResult_1.subscribeToResult(_this, flushes));
43 DistinctSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
46 DistinctSubscriber.prototype.notifyError = function (error, innerSub) {
49 DistinctSubscriber.prototype._next = function (value) {
50 if (this.keySelector) {
51 this._useKeySelector(value);
54 this._finalizeNext(value, value);
57 DistinctSubscriber.prototype._useKeySelector = function (value) {
59 var destination = this.destination;
61 key = this.keySelector(value);
64 destination.error(err);
67 this._finalizeNext(key, value);
69 DistinctSubscriber.prototype._finalizeNext = function (key, value) {
70 var values = this.values;
71 if (!values.has(key)) {
73 this.destination.next(value);
76 return DistinctSubscriber;
77 }(OuterSubscriber_1.OuterSubscriber));
78 exports.DistinctSubscriber = DistinctSubscriber;
79 //# sourceMappingURL=distinct.js.map