node_modules/rxjs/dist/cjs/internal/observable/forkJoin.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.forkJoin = void 0;
var Observable_1 = require("../Observable");
var argsArgArrayOrObject_1 = require("../util/argsArgArrayOrObject");
var innerFrom_1 = require("./innerFrom");
var args_1 = require("../util/args");
var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
var mapOneOrManyArgs_1 = require("../util/mapOneOrManyArgs");
var createObject_1 = require("../util/createObject");
function forkJoin() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var resultSelector = args_1.popResultSelector(args);
    var _a = argsArgArrayOrObject_1.argsArgArrayOrObject(args), sources = _a.args, keys = _a.keys;
    var result = new Observable_1.Observable(function (subscriber) {
        var length = sources.length;
        if (!length) {
            subscriber.complete();
            return;
        }
        var values = new Array(length);
        var remainingCompletions = length;
        var remainingEmissions = length;
        var _loop_1 = function (sourceIndex) {
            var hasValue = false;
            innerFrom_1.innerFrom(sources[sourceIndex]).subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
                if (!hasValue) {
                    hasValue = true;
                    remainingEmissions--;
                }
                values[sourceIndex] = value;
            }, function () { return remainingCompletions--; }, undefined, function () {
                if (!remainingCompletions || !hasValue) {
                    if (!remainingEmissions) {
                        subscriber.next(keys ? createObject_1.createObject(keys, values) : values);
                    }
                    subscriber.complete();
                }
            }));
        };
        for (var sourceIndex = 0; sourceIndex < length; sourceIndex++) {
            _loop_1(sourceIndex);
        }
    });
    return resultSelector ? result.pipe(mapOneOrManyArgs_1.mapOneOrManyArgs(resultSelector)) : result;
}
exports.forkJoin = forkJoin;
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