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 innerSubscribe_1 = require("../innerSubscribe");
17 function distinct(keySelector, flushes) {
18 return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); };
20 exports.distinct = distinct;
21 var DistinctOperator = (function () {
22 function DistinctOperator(keySelector, flushes) {
23 this.keySelector = keySelector;
24 this.flushes = flushes;
26 DistinctOperator.prototype.call = function (subscriber, source) {
27 return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes));
29 return DistinctOperator;
31 var DistinctSubscriber = (function (_super) {
32 __extends(DistinctSubscriber, _super);
33 function DistinctSubscriber(destination, keySelector, flushes) {
34 var _this = _super.call(this, destination) || this;
35 _this.keySelector = keySelector;
36 _this.values = new Set();
38 _this.add(innerSubscribe_1.innerSubscribe(flushes, new innerSubscribe_1.SimpleInnerSubscriber(_this)));
42 DistinctSubscriber.prototype.notifyNext = function () {
45 DistinctSubscriber.prototype.notifyError = function (error) {
48 DistinctSubscriber.prototype._next = function (value) {
49 if (this.keySelector) {
50 this._useKeySelector(value);
53 this._finalizeNext(value, value);
56 DistinctSubscriber.prototype._useKeySelector = function (value) {
58 var destination = this.destination;
60 key = this.keySelector(value);
63 destination.error(err);
66 this._finalizeNext(key, value);
68 DistinctSubscriber.prototype._finalizeNext = function (key, value) {
69 var values = this.values;
70 if (!values.has(key)) {
72 this.destination.next(value);
75 return DistinctSubscriber;
76 }(innerSubscribe_1.SimpleOuterSubscriber));
77 exports.DistinctSubscriber = DistinctSubscriber;
78 //# sourceMappingURL=distinct.js.map