builderState
| Generic types: | T |
Operator function that transforms a source Observable into an Observable of BuilderState. It emits a BuilderPending state at the start, then a BuilderDone state when the source emits, and a BuilderError state if the source errors out. It also manages a global stack of pending builders.
Presentation
function builderState (tag: string): OperatorFunction <T, BuilderState <T>>;Returns
OperatorFunction <T, BuilderState <T>>{OperatorFunction<T, BuilderState
Parameters
| Name | Type | Description |
|---|---|---|
| tag | string | @template T The type of the source Observable. |