Go mod tidy and bar input/output docs defaults

go.sum

@@ -934,8 +934,6 @@ github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaD
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
 go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
 go.mongodb.org/mongo-driver v1.11.4/go.mod h1:PTSz5yu21bkT/wXpkS7WR5f0ddqw5quethTUn9WM+2g=
-go.mongodb.org/mongo-driver v1.13.0 h1:67DgFFjYOCMWdtTEmKFpV3ffWlFnh+CYZ8ZS/tXWUfY=
-go.mongodb.org/mongo-driver v1.13.0/go.mod h1:/rGBTebI3XYboVmgz+Wv3Bcbl3aD0QF9zl6kDDw18rQ=
 go.mongodb.org/mongo-driver v1.13.1 h1:YIc7HTYsKndGK4RFzJ3covLz1byri52x0IoMB0Pt/vk=
 go.mongodb.org/mongo-driver v1.13.1/go.mod h1:wcDf1JBCXy2mOW0bWHwO/IOYqdca1MPCwDtFu/Z9+eo=
 go.nanomsg.org/mangos/v3 v3.4.2 h1:gHlopxjWvJcVCcUilQIsRQk9jdj6/HB7wrTiUN8Ki7Q=

internal/stream/docs.go

@@ -1,22 +1,33 @@
 package stream
 
 import (
+	"github.com/benthosdev/benthos/v4/internal/bundle"
 	"github.com/benthosdev/benthos/v4/internal/docs"
 	"github.com/benthosdev/benthos/v4/internal/pipeline"
 )
 
 // Spec returns a docs.FieldSpec for a stream configuration.
 func Spec() docs.FieldSpecs {
-	return docs.FieldSpecs{
-		docs.FieldInput(fieldInput, "An input to source messages from.").HasDefault(map[string]any{
+	defaultInput := map[string]any{"inproc": ""}
+	if _, exists := bundle.GlobalEnvironment.GetDocs("stdin", docs.TypeInput); exists {
+		defaultInput = map[string]any{
 			"stdin": map[string]any{},
-		}),
+		}
+	}
+
+	defaultOutput := map[string]any{"inproc": ""}
+	if _, exists := bundle.GlobalEnvironment.GetDocs("stdout", docs.TypeOutput); exists {
+		defaultOutput = map[string]any{
+			"stdout": map[string]any{},
+		}
+	}
+
+	return docs.FieldSpecs{
+		docs.FieldInput(fieldInput, "An input to source messages from.").HasDefault(defaultInput),
 		docs.FieldBuffer(fieldBuffer, "An optional buffer to store messages during transit.").HasDefault(map[string]any{
 			"none": map[string]any{},
 		}),
 		pipeline.ConfigSpec(),
-		docs.FieldOutput(fieldOutput, "An output to sink messages to.").HasDefault(map[string]any{
-			"stdout": map[string]any{},
-		}),
+		docs.FieldOutput(fieldOutput, "An output to sink messages to.").HasDefault(defaultOutput),
 	}
 }