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import { innerFrom } from '../observable/innerFrom';
import { createOperatorSubscriber } from './OperatorSubscriber';
import { operate } from '../util/lift';
export function catchError(selector) {
return operate((source, subscriber) => {
let innerSub = null;
let syncUnsub = false;
let handledResult;
innerSub = source.subscribe(createOperatorSubscriber(subscriber, undefined, undefined, (err) => {
handledResult = innerFrom(selector(err, catchError(selector)(source)));
if (innerSub) {
innerSub.unsubscribe();
innerSub = null;
handledResult.subscribe(subscriber);
}
else {
syncUnsub = true;
}
}));
if (syncUnsub) {
innerSub.unsubscribe();
innerSub = null;
handledResult.subscribe(subscriber);
}
});
}
//# sourceMappingURL=catchError.js.map
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