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keksAccountGUI/node_modulesOLD/rxjs/_esm5/internal/operators/withLatestFrom.js
2019-08-11 20:48:02 +02:00

83 lines
3 KiB
JavaScript

/** 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));
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