quran/node_modules/rxjs/dist/cjs/internal/operators/exhaustMap.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.exhaustMap = void 0;
var map_1 = require("./map");
var innerFrom_1 = require("../observable/innerFrom");
var lift_1 = require("../util/lift");
var OperatorSubscriber_1 = require("./OperatorSubscriber");
function exhaustMap(project, resultSelector) {
    if (resultSelector) {
        return function (source) {
            return source.pipe(exhaustMap(function (a, i) { return innerFrom_1.innerFrom(project(a, i)).pipe(map_1.map(function (b, ii) { return resultSelector(a, b, i, ii); })); }));
        };
    }
    return lift_1.operate(function (source, subscriber) {
        var index = 0;
        var innerSub = null;
        var isComplete = false;
        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (outerValue) {
            if (!innerSub) {
                innerSub = OperatorSubscriber_1.createOperatorSubscriber(subscriber, undefined, function () {
                    innerSub = null;
                    isComplete && subscriber.complete();
                });
                innerFrom_1.innerFrom(project(outerValue, index++)).subscribe(innerSub);
            }
        }, function () {
            isComplete = true;
            !innerSub && subscriber.complete();
        }));
    });
}
exports.exhaustMap = exhaustMap;
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