[6a3a178] | 1 | "use strict";
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| 2 | var __extends = (this && this.__extends) || (function () {
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| 3 | var extendStatics = function (d, b) {
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| 4 | extendStatics = Object.setPrototypeOf ||
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| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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| 6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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| 7 | return extendStatics(d, b);
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| 8 | }
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| 9 | return function (d, b) {
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| 10 | extendStatics(d, b);
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| 11 | function __() { this.constructor = d; }
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| 12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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| 13 | };
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| 14 | })();
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| 15 | Object.defineProperty(exports, "__esModule", { value: true });
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| 16 | var innerSubscribe_1 = require("../innerSubscribe");
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| 17 | function distinct(keySelector, flushes) {
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| 18 | return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); };
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| 19 | }
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| 20 | exports.distinct = distinct;
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| 21 | var DistinctOperator = (function () {
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| 22 | function DistinctOperator(keySelector, flushes) {
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| 23 | this.keySelector = keySelector;
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| 24 | this.flushes = flushes;
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| 25 | }
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| 26 | DistinctOperator.prototype.call = function (subscriber, source) {
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| 27 | return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes));
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| 28 | };
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| 29 | return DistinctOperator;
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| 30 | }());
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| 31 | var DistinctSubscriber = (function (_super) {
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| 32 | __extends(DistinctSubscriber, _super);
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| 33 | function DistinctSubscriber(destination, keySelector, flushes) {
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| 34 | var _this = _super.call(this, destination) || this;
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| 35 | _this.keySelector = keySelector;
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| 36 | _this.values = new Set();
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| 37 | if (flushes) {
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| 38 | _this.add(innerSubscribe_1.innerSubscribe(flushes, new innerSubscribe_1.SimpleInnerSubscriber(_this)));
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| 39 | }
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| 40 | return _this;
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| 41 | }
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| 42 | DistinctSubscriber.prototype.notifyNext = function () {
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| 43 | this.values.clear();
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| 44 | };
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| 45 | DistinctSubscriber.prototype.notifyError = function (error) {
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| 46 | this._error(error);
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| 47 | };
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| 48 | DistinctSubscriber.prototype._next = function (value) {
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| 49 | if (this.keySelector) {
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| 50 | this._useKeySelector(value);
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| 51 | }
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| 52 | else {
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| 53 | this._finalizeNext(value, value);
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| 54 | }
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| 55 | };
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| 56 | DistinctSubscriber.prototype._useKeySelector = function (value) {
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| 57 | var key;
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| 58 | var destination = this.destination;
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| 59 | try {
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| 60 | key = this.keySelector(value);
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| 61 | }
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| 62 | catch (err) {
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| 63 | destination.error(err);
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| 64 | return;
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| 65 | }
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| 66 | this._finalizeNext(key, value);
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| 67 | };
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| 68 | DistinctSubscriber.prototype._finalizeNext = function (key, value) {
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| 69 | var values = this.values;
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| 70 | if (!values.has(key)) {
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| 71 | values.add(key);
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| 72 | this.destination.next(value);
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| 73 | }
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| 74 | };
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| 75 | return DistinctSubscriber;
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| 76 | }(innerSubscribe_1.SimpleOuterSubscriber));
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| 77 | exports.DistinctSubscriber = DistinctSubscriber;
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| 78 | //# sourceMappingURL=distinct.js.map |
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