Function debounceMap

debounceMap<UpstreamType, DownstreamType>(map): OperatorFunction<UpstreamType, DownstreamType>
It's like exhaustMap, except it debounces upstream emissions until the previous result completes.
```
source:                     -0-1-2-------3-|
                             i--B-|
                                  i--B-|
                                         i--B-|
debounceMap((i) => i--B-|): -0--B-2--B---3--B-|
```
Type Parameters
- UpstreamType
- DownstreamType
Parameters
- map: ((input) => Observable<DownstreamType> | PromiseLike<DownstreamType>)
  - - (input): Observable<DownstreamType> | PromiseLike<DownstreamType>
    - Parameters
      input: UpstreamType
      Returns Observable<DownstreamType> | PromiseLike<DownstreamType>
Returns OperatorFunction<UpstreamType, DownstreamType>
- Defined in projects/rxjs-core/src/lib/operators/debounce-map.ts:16