wishthis/node_modules/rxjs/internal/observable/defer.js

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2022-01-21 08:28:41 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var Observable_1 = require("../Observable");
var from_1 = require("./from");
var empty_1 = require("./empty");
function defer(observableFactory) {
return new Observable_1.Observable(function (subscriber) {
var input;
try {
input = observableFactory();
}
catch (err) {
subscriber.error(err);
return undefined;
}
var source = input ? from_1.from(input) : empty_1.empty();
return source.subscribe(subscriber);
});
}
exports.defer = defer;
//# sourceMappingURL=defer.js.map