+++ /dev/null
-/** PURE_IMPORTS_START _Observable,_from,_empty PURE_IMPORTS_END */
-import { Observable } from '../Observable';
-import { from } from './from';
-import { empty } from './empty';
-export function defer(observableFactory) {
- return new Observable(function (subscriber) {
- var input;
- try {
- input = observableFactory();
- }
- catch (err) {
- subscriber.error(err);
- return undefined;
- }
- var source = input ? from(input) : empty();
- return source.subscribe(subscriber);
- });
-}
-//# sourceMappingURL=defer.js.map