ipfs-upload.effects.ts

uploadFile$ = createEffect(
    () =>
      this.actions$.pipe(
        ofType(IpfsUploadActions.upload_image),
        map(action => action.file),
        exhaustMap((file) => { 
          return this.ipfsSrv.addFile(file).pipe(
            tap(ipfsHash => console.log(`IPFS file hash: ${ipfsHash}`)),
            map(ipfsHash => IpfsUploadActions.upload_image_success({ipfsHash})),
            catchError((err: Error) =>
              of(ErrorActions.errorMessage({ errorMsg: err.message }), IpfsUploadActions.upload_image_fail)
            )
          )
        }) 
      ));