81 lines
3 KiB
JavaScript
81 lines
3 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_map,_observable_from,_innerSubscribe PURE_IMPORTS_END */
|
|
import * as tslib_1 from "tslib";
|
|
import { map } from './map';
|
|
import { from } from '../observable/from';
|
|
import { SimpleOuterSubscriber, SimpleInnerSubscriber, innerSubscribe } from '../innerSubscribe';
|
|
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);
|
|
};
|
|
ExhaustMapSubscriber.prototype._innerSub = function (result) {
|
|
var innerSubscriber = new SimpleInnerSubscriber(this);
|
|
var destination = this.destination;
|
|
destination.add(innerSubscriber);
|
|
var innerSubscription = innerSubscribe(result, innerSubscriber);
|
|
if (innerSubscription !== innerSubscriber) {
|
|
destination.add(innerSubscription);
|
|
}
|
|
};
|
|
ExhaustMapSubscriber.prototype._complete = function () {
|
|
this.hasCompleted = true;
|
|
if (!this.hasSubscription) {
|
|
this.destination.complete();
|
|
}
|
|
this.unsubscribe();
|
|
};
|
|
ExhaustMapSubscriber.prototype.notifyNext = function (innerValue) {
|
|
this.destination.next(innerValue);
|
|
};
|
|
ExhaustMapSubscriber.prototype.notifyError = function (err) {
|
|
this.destination.error(err);
|
|
};
|
|
ExhaustMapSubscriber.prototype.notifyComplete = function () {
|
|
this.hasSubscription = false;
|
|
if (this.hasCompleted) {
|
|
this.destination.complete();
|
|
}
|
|
};
|
|
return ExhaustMapSubscriber;
|
|
}(SimpleOuterSubscriber));
|
|
//# sourceMappingURL=exhaustMap.js.map
|