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keksAccountGUI/node_modulesOLD/rxjs/internal/observable/using.js
2019-08-11 20:48:02 +02:00

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1 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var Observable_1 = require("../Observable");
var from_1 = require("./from");
var empty_1 = require("./empty");
function using(resourceFactory, observableFactory) {
return new Observable_1.Observable(function (subscriber) {
var resource;
try {
resource = resourceFactory();
}
catch (err) {
subscriber.error(err);
return undefined;
}
var result;
try {
result = observableFactory(resource);
}
catch (err) {
subscriber.error(err);
return undefined;
}
var source = result ? from_1.from(result) : empty_1.EMPTY;
var subscription = source.subscribe(subscriber);
return function () {
subscription.unsubscribe();
if (resource) {
resource.unsubscribe();
}
};
});
}
exports.using = using;
//# sourceMappingURL=using.js.map