.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/_esm5/internal/operators/exhaustMap.js

   1 /** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */
   2 import * as tslib_1 from "tslib";
   3 import { OuterSubscriber } from '../OuterSubscriber';
   4 import { InnerSubscriber } from '../InnerSubscriber';
   5 import { subscribeToResult } from '../util/subscribeToResult';
   6 import { map } from './map';
   7 import { from } from '../observable/from';
   8 export function exhaustMap(project, resultSelector) {
   9     if (resultSelector) {
  10         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); })); })); };
  11     }
  12     return function (source) {
  13         return source.lift(new ExhaustMapOperator(project));
  14     };
  15 }
  16 var ExhaustMapOperator = /*@__PURE__*/ (function () {
  17     function ExhaustMapOperator(project) {
  18         this.project = project;
  19     }
  20     ExhaustMapOperator.prototype.call = function (subscriber, source) {
  21         return source.subscribe(new ExhaustMapSubscriber(subscriber, this.project));
  22     };
  23     return ExhaustMapOperator;
  24 }());
  25 var ExhaustMapSubscriber = /*@__PURE__*/ (function (_super) {
  26     tslib_1.__extends(ExhaustMapSubscriber, _super);
  27     function ExhaustMapSubscriber(destination, project) {
  28         var _this = _super.call(this, destination) || this;
  29         _this.project = project;
  30         _this.hasSubscription = false;
  31         _this.hasCompleted = false;
  32         _this.index = 0;
  33         return _this;
  34     }
  35     ExhaustMapSubscriber.prototype._next = function (value) {
  36         if (!this.hasSubscription) {
  37             this.tryNext(value);
  38         }
  39     };
  40     ExhaustMapSubscriber.prototype.tryNext = function (value) {
  41         var result;
  42         var index = this.index++;
  43         try {
  44             result = this.project(value, index);
  45         }
  46         catch (err) {
  47             this.destination.error(err);
  48             return;
  49         }
  50         this.hasSubscription = true;
  51         this._innerSub(result, value, index);
  52     };
  53     ExhaustMapSubscriber.prototype._innerSub = function (result, value, index) {
  54         var innerSubscriber = new InnerSubscriber(this, value, index);
  55         var destination = this.destination;
  56         destination.add(innerSubscriber);
  57         var innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);
  58         if (innerSubscription !== innerSubscriber) {
  59             destination.add(innerSubscription);
  60         }
  61     };
  62     ExhaustMapSubscriber.prototype._complete = function () {
  63         this.hasCompleted = true;
  64         if (!this.hasSubscription) {
  65             this.destination.complete();
  66         }
  67         this.unsubscribe();
  68     };
  69     ExhaustMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
  70         this.destination.next(innerValue);
  71     };
  72     ExhaustMapSubscriber.prototype.notifyError = function (err) {
  73         this.destination.error(err);
  74     };
  75     ExhaustMapSubscriber.prototype.notifyComplete = function (innerSub) {
  76         var destination = this.destination;
  77         destination.remove(innerSub);
  78         this.hasSubscription = false;
  79         if (this.hasCompleted) {
  80             this.destination.complete();
  81         }
  82     };
  83     return ExhaustMapSubscriber;
  84 }(OuterSubscriber));
  85 //# sourceMappingURL=exhaustMap.js.map