| /** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| export function distinct(keySelector, flushes) { |
| return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); }; |
| } |
| var DistinctOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) { |
| tslib_1.__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(_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)); |
| export { DistinctSubscriber }; |
| //# sourceMappingURL=distinct.js.map |