source: trip-planner-front/node_modules/rxjs/internal/observable/forkJoin.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.6 KB
Line 
1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3var Observable_1 = require("../Observable");
4var isArray_1 = require("../util/isArray");
5var map_1 = require("../operators/map");
6var isObject_1 = require("../util/isObject");
7var from_1 = require("./from");
8function forkJoin() {
9 var sources = [];
10 for (var _i = 0; _i < arguments.length; _i++) {
11 sources[_i] = arguments[_i];
12 }
13 if (sources.length === 1) {
14 var first_1 = sources[0];
15 if (isArray_1.isArray(first_1)) {
16 return forkJoinInternal(first_1, null);
17 }
18 if (isObject_1.isObject(first_1) && Object.getPrototypeOf(first_1) === Object.prototype) {
19 var keys = Object.keys(first_1);
20 return forkJoinInternal(keys.map(function (key) { return first_1[key]; }), keys);
21 }
22 }
23 if (typeof sources[sources.length - 1] === 'function') {
24 var resultSelector_1 = sources.pop();
25 sources = (sources.length === 1 && isArray_1.isArray(sources[0])) ? sources[0] : sources;
26 return forkJoinInternal(sources, null).pipe(map_1.map(function (args) { return resultSelector_1.apply(void 0, args); }));
27 }
28 return forkJoinInternal(sources, null);
29}
30exports.forkJoin = forkJoin;
31function forkJoinInternal(sources, keys) {
32 return new Observable_1.Observable(function (subscriber) {
33 var len = sources.length;
34 if (len === 0) {
35 subscriber.complete();
36 return;
37 }
38 var values = new Array(len);
39 var completed = 0;
40 var emitted = 0;
41 var _loop_1 = function (i) {
42 var source = from_1.from(sources[i]);
43 var hasValue = false;
44 subscriber.add(source.subscribe({
45 next: function (value) {
46 if (!hasValue) {
47 hasValue = true;
48 emitted++;
49 }
50 values[i] = value;
51 },
52 error: function (err) { return subscriber.error(err); },
53 complete: function () {
54 completed++;
55 if (completed === len || !hasValue) {
56 if (emitted === len) {
57 subscriber.next(keys ?
58 keys.reduce(function (result, key, i) { return (result[key] = values[i], result); }, {}) :
59 values);
60 }
61 subscriber.complete();
62 }
63 }
64 }));
65 };
66 for (var i = 0; i < len; i++) {
67 _loop_1(i);
68 }
69 });
70}
71//# sourceMappingURL=forkJoin.js.map
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