63 lines
2.3 KiB
JavaScript
Executable File
63 lines
2.3 KiB
JavaScript
Executable File
/** PURE_IMPORTS_START .._Observable,.._util_subscribeToResult,.._OuterSubscriber PURE_IMPORTS_END */
|
|
var __extends = (this && this.__extends) || function (d, b) {
|
|
for (var p in b)
|
|
if (b.hasOwnProperty(p))
|
|
d[p] = b[p];
|
|
function __() { this.constructor = d; }
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|
};
|
|
import { Observable } from '../Observable';
|
|
import { subscribeToResult } from '../util/subscribeToResult';
|
|
import { OuterSubscriber } from '../OuterSubscriber';
|
|
/**
|
|
* We need this JSDoc comment for affecting ESDoc.
|
|
* @extends {Ignored}
|
|
* @hide true
|
|
*/
|
|
export var UsingObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
|
|
__extends(UsingObservable, _super);
|
|
function UsingObservable(resourceFactory, observableFactory) {
|
|
_super.call(this);
|
|
this.resourceFactory = resourceFactory;
|
|
this.observableFactory = observableFactory;
|
|
}
|
|
UsingObservable.create = function (resourceFactory, observableFactory) {
|
|
return new UsingObservable(resourceFactory, observableFactory);
|
|
};
|
|
/** @deprecated internal use only */ UsingObservable.prototype._subscribe = function (subscriber) {
|
|
var _a = this, resourceFactory = _a.resourceFactory, observableFactory = _a.observableFactory;
|
|
var resource;
|
|
try {
|
|
resource = resourceFactory();
|
|
return new UsingSubscriber(subscriber, resource, observableFactory);
|
|
}
|
|
catch (err) {
|
|
subscriber.error(err);
|
|
}
|
|
};
|
|
return UsingObservable;
|
|
}(Observable));
|
|
var UsingSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
|
|
__extends(UsingSubscriber, _super);
|
|
function UsingSubscriber(destination, resource, observableFactory) {
|
|
_super.call(this, destination);
|
|
this.resource = resource;
|
|
this.observableFactory = observableFactory;
|
|
destination.add(resource);
|
|
this.tryUse();
|
|
}
|
|
UsingSubscriber.prototype.tryUse = function () {
|
|
try {
|
|
var source = this.observableFactory.call(this, this.resource);
|
|
if (source) {
|
|
this.add(subscribeToResult(this, source));
|
|
}
|
|
}
|
|
catch (err) {
|
|
this._error(err);
|
|
}
|
|
};
|
|
return UsingSubscriber;
|
|
}(OuterSubscriber));
|
|
//# sourceMappingURL=UsingObservable.js.map
|