| /** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| export function withLatestFrom() { |
| var args = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| args[_i] = arguments[_i]; |
| } |
| return function (source) { |
| var project; |
| if (typeof args[args.length - 1] === 'function') { |
| project = args.pop(); |
| } |
| var observables = args; |
| return source.lift(new WithLatestFromOperator(observables, project)); |
| }; |
| } |
| var WithLatestFromOperator = /*@__PURE__*/ (function () { |
| function WithLatestFromOperator(observables, project) { |
| this.observables = observables; |
| this.project = project; |
| } |
| WithLatestFromOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project)); |
| }; |
| return WithLatestFromOperator; |
| }()); |
| var WithLatestFromSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(WithLatestFromSubscriber, _super); |
| function WithLatestFromSubscriber(destination, observables, project) { |
| var _this = _super.call(this, destination) || this; |
| _this.observables = observables; |
| _this.project = project; |
| _this.toRespond = []; |
| var len = observables.length; |
| _this.values = new Array(len); |
| for (var i = 0; i < len; i++) { |
| _this.toRespond.push(i); |
| } |
| for (var i = 0; i < len; i++) { |
| var observable = observables[i]; |
| _this.add(subscribeToResult(_this, observable, observable, i)); |
| } |
| return _this; |
| } |
| WithLatestFromSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| this.values[outerIndex] = innerValue; |
| var toRespond = this.toRespond; |
| if (toRespond.length > 0) { |
| var found = toRespond.indexOf(outerIndex); |
| if (found !== -1) { |
| toRespond.splice(found, 1); |
| } |
| } |
| }; |
| WithLatestFromSubscriber.prototype.notifyComplete = function () { |
| }; |
| WithLatestFromSubscriber.prototype._next = function (value) { |
| if (this.toRespond.length === 0) { |
| var args = [value].concat(this.values); |
| if (this.project) { |
| this._tryProject(args); |
| } |
| else { |
| this.destination.next(args); |
| } |
| } |
| }; |
| WithLatestFromSubscriber.prototype._tryProject = function (args) { |
| var result; |
| try { |
| result = this.project.apply(this, args); |
| } |
| catch (err) { |
| this.destination.error(err); |
| return; |
| } |
| this.destination.next(result); |
| }; |
| return WithLatestFromSubscriber; |
| }(OuterSubscriber)); |
| //# sourceMappingURL=withLatestFrom.js.map |