| /** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { InnerSubscriber } from '../InnerSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| import { map } from './map'; |
| import { from } from '../observable/from'; |
| export function exhaustMap(project, resultSelector) { |
| if (resultSelector) { |
| return function (source) { return source.pipe(exhaustMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); }; |
| } |
| return function (source) { |
| return source.lift(new ExhaustMapOperator(project)); |
| }; |
| } |
| var ExhaustMapOperator = /*@__PURE__*/ (function () { |
| function ExhaustMapOperator(project) { |
| this.project = project; |
| } |
| ExhaustMapOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new ExhaustMapSubscriber(subscriber, this.project)); |
| }; |
| return ExhaustMapOperator; |
| }()); |
| var ExhaustMapSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(ExhaustMapSubscriber, _super); |
| function ExhaustMapSubscriber(destination, project) { |
| var _this = _super.call(this, destination) || this; |
| _this.project = project; |
| _this.hasSubscription = false; |
| _this.hasCompleted = false; |
| _this.index = 0; |
| return _this; |
| } |
| ExhaustMapSubscriber.prototype._next = function (value) { |
| if (!this.hasSubscription) { |
| this.tryNext(value); |
| } |
| }; |
| ExhaustMapSubscriber.prototype.tryNext = function (value) { |
| var result; |
| var index = this.index++; |
| try { |
| result = this.project(value, index); |
| } |
| catch (err) { |
| this.destination.error(err); |
| return; |
| } |
| this.hasSubscription = true; |
| this._innerSub(result, value, index); |
| }; |
| ExhaustMapSubscriber.prototype._innerSub = function (result, value, index) { |
| var innerSubscriber = new InnerSubscriber(this, undefined, undefined); |
| var destination = this.destination; |
| destination.add(innerSubscriber); |
| subscribeToResult(this, result, value, index, innerSubscriber); |
| }; |
| ExhaustMapSubscriber.prototype._complete = function () { |
| this.hasCompleted = true; |
| if (!this.hasSubscription) { |
| this.destination.complete(); |
| } |
| this.unsubscribe(); |
| }; |
| ExhaustMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| this.destination.next(innerValue); |
| }; |
| ExhaustMapSubscriber.prototype.notifyError = function (err) { |
| this.destination.error(err); |
| }; |
| ExhaustMapSubscriber.prototype.notifyComplete = function (innerSub) { |
| var destination = this.destination; |
| destination.remove(innerSub); |
| this.hasSubscription = false; |
| if (this.hasCompleted) { |
| this.destination.complete(); |
| } |
| }; |
| return ExhaustMapSubscriber; |
| }(OuterSubscriber)); |
| //# sourceMappingURL=exhaustMap.js.map |