feat: initial commit
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71
node_modules/rxjs/internal/observable/forkJoin.js
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vendored
Normal file
71
node_modules/rxjs/internal/observable/forkJoin.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var Observable_1 = require("../Observable");
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var isArray_1 = require("../util/isArray");
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var map_1 = require("../operators/map");
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var isObject_1 = require("../util/isObject");
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var from_1 = require("./from");
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function forkJoin() {
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var sources = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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sources[_i] = arguments[_i];
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}
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if (sources.length === 1) {
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var first_1 = sources[0];
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if (isArray_1.isArray(first_1)) {
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return forkJoinInternal(first_1, null);
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}
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if (isObject_1.isObject(first_1) && Object.getPrototypeOf(first_1) === Object.prototype) {
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var keys = Object.keys(first_1);
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return forkJoinInternal(keys.map(function (key) { return first_1[key]; }), keys);
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}
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}
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if (typeof sources[sources.length - 1] === 'function') {
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var resultSelector_1 = sources.pop();
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sources = (sources.length === 1 && isArray_1.isArray(sources[0])) ? sources[0] : sources;
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return forkJoinInternal(sources, null).pipe(map_1.map(function (args) { return resultSelector_1.apply(void 0, args); }));
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}
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return forkJoinInternal(sources, null);
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}
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exports.forkJoin = forkJoin;
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function forkJoinInternal(sources, keys) {
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return new Observable_1.Observable(function (subscriber) {
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var len = sources.length;
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if (len === 0) {
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subscriber.complete();
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return;
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}
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var values = new Array(len);
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var completed = 0;
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var emitted = 0;
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var _loop_1 = function (i) {
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var source = from_1.from(sources[i]);
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var hasValue = false;
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subscriber.add(source.subscribe({
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next: function (value) {
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if (!hasValue) {
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hasValue = true;
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emitted++;
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}
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values[i] = value;
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},
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error: function (err) { return subscriber.error(err); },
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complete: function () {
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completed++;
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if (completed === len || !hasValue) {
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if (emitted === len) {
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subscriber.next(keys ?
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keys.reduce(function (result, key, i) { return (result[key] = values[i], result); }, {}) :
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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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};
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for (var i = 0; i < len; i++) {
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_loop_1(i);
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}
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});
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}
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//# sourceMappingURL=forkJoin.js.map
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