Bones/node_modules/rxjs/operator/merge.js
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2017-05-17 13:45:25 -04:00

45 lines
1.5 KiB
JavaScript

"use strict";
var ArrayObservable_1 = require('../observable/ArrayObservable');
var mergeAll_1 = require('./mergeAll');
var isScheduler_1 = require('../util/isScheduler');
/**
* Creates a result Observable which emits values from every given input Observable.
*
* <img src="./img/merge.png" width="100%">
*
* @param {Observable} input Observables
* @returns {Observable} an Observable that emits items that are the result of every input Observable.
*/
function merge() {
var observables = [];
for (var _i = 0; _i < arguments.length; _i++) {
observables[_i - 0] = arguments[_i];
}
observables.unshift(this);
return mergeStatic.apply(this, observables);
}
exports.merge = merge;
function mergeStatic() {
var observables = [];
for (var _i = 0; _i < arguments.length; _i++) {
observables[_i - 0] = arguments[_i];
}
var concurrent = Number.POSITIVE_INFINITY;
var scheduler = null;
var last = observables[observables.length - 1];
if (isScheduler_1.isScheduler(last)) {
scheduler = observables.pop();
if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {
concurrent = observables.pop();
}
}
else if (typeof last === 'number') {
concurrent = observables.pop();
}
if (observables.length === 1) {
return observables[0];
}
return new ArrayObservable_1.ArrayObservable(observables, scheduler).lift(new mergeAll_1.MergeAllOperator(concurrent));
}
exports.mergeStatic = mergeStatic;
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