51 lines
No EOL
2.1 KiB
JavaScript
51 lines
No EOL
2.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.forkJoin = void 0;
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var Observable_1 = require("../Observable");
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var argsArgArrayOrObject_1 = require("../util/argsArgArrayOrObject");
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var innerFrom_1 = require("./innerFrom");
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var args_1 = require("../util/args");
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var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
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var mapOneOrManyArgs_1 = require("../util/mapOneOrManyArgs");
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var createObject_1 = require("../util/createObject");
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function forkJoin() {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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var resultSelector = args_1.popResultSelector(args);
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var _a = argsArgArrayOrObject_1.argsArgArrayOrObject(args), sources = _a.args, keys = _a.keys;
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var result = new Observable_1.Observable(function (subscriber) {
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var length = sources.length;
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if (!length) {
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subscriber.complete();
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return;
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}
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var values = new Array(length);
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var remainingCompletions = length;
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var remainingEmissions = length;
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var _loop_1 = function (sourceIndex) {
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var hasValue = false;
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innerFrom_1.innerFrom(sources[sourceIndex]).subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
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if (!hasValue) {
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hasValue = true;
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remainingEmissions--;
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}
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values[sourceIndex] = value;
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}, function () { return remainingCompletions--; }, undefined, function () {
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if (!remainingCompletions || !hasValue) {
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if (!remainingEmissions) {
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subscriber.next(keys ? createObject_1.createObject(keys, values) : values);
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}
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subscriber.complete();
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}
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}));
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};
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for (var sourceIndex = 0; sourceIndex < length; sourceIndex++) {
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_loop_1(sourceIndex);
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}
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});
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return resultSelector ? result.pipe(mapOneOrManyArgs_1.mapOneOrManyArgs(resultSelector)) : result;
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}
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exports.forkJoin = forkJoin;
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//# sourceMappingURL=forkJoin.js.map
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