| "use strict"; |
| var __extends = (this && this.__extends) || (function () { |
| var extendStatics = function (d, b) { |
| extendStatics = Object.setPrototypeOf || |
| ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || |
| function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; |
| return extendStatics(d, b); |
| } |
| return function (d, b) { |
| extendStatics(d, b); |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| }; |
| })(); |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| var OuterSubscriber_1 = require("../OuterSubscriber"); |
| var subscribeToResult_1 = require("../util/subscribeToResult"); |
| function distinct(keySelector, flushes) { |
| return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); }; |
| } |
| exports.distinct = distinct; |
| var DistinctOperator = (function () { |
| function DistinctOperator(keySelector, flushes) { |
| this.keySelector = keySelector; |
| this.flushes = flushes; |
| } |
| DistinctOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes)); |
| }; |
| return DistinctOperator; |
| }()); |
| var DistinctSubscriber = (function (_super) { |
| __extends(DistinctSubscriber, _super); |
| function DistinctSubscriber(destination, keySelector, flushes) { |
| var _this = _super.call(this, destination) || this; |
| _this.keySelector = keySelector; |
| _this.values = new Set(); |
| if (flushes) { |
| _this.add(subscribeToResult_1.subscribeToResult(_this, flushes)); |
| } |
| return _this; |
| } |
| DistinctSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| this.values.clear(); |
| }; |
| DistinctSubscriber.prototype.notifyError = function (error, innerSub) { |
| this._error(error); |
| }; |
| DistinctSubscriber.prototype._next = function (value) { |
| if (this.keySelector) { |
| this._useKeySelector(value); |
| } |
| else { |
| this._finalizeNext(value, value); |
| } |
| }; |
| DistinctSubscriber.prototype._useKeySelector = function (value) { |
| var key; |
| var destination = this.destination; |
| try { |
| key = this.keySelector(value); |
| } |
| catch (err) { |
| destination.error(err); |
| return; |
| } |
| this._finalizeNext(key, value); |
| }; |
| DistinctSubscriber.prototype._finalizeNext = function (key, value) { |
| var values = this.values; |
| if (!values.has(key)) { |
| values.add(key); |
| this.destination.next(value); |
| } |
| }; |
| return DistinctSubscriber; |
| }(OuterSubscriber_1.OuterSubscriber)); |
| exports.DistinctSubscriber = DistinctSubscriber; |
| //# sourceMappingURL=distinct.js.map |