feat: color JSON output (#2748)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

frontend/cli/cmd_call.go

@@ -19,6 +19,7 @@ import (
 	"github.com/TBD54566975/ftl/go-runtime/ftl/reflection"
 	"github.com/TBD54566975/ftl/internal/log"
 	"github.com/TBD54566975/ftl/internal/rpc"
+	"github.com/TBD54566975/ftl/internal/status"
 )
 
 type callCmd struct {
@@ -77,7 +78,7 @@ func callVerb(ctx context.Context, client ftlv1connect.VerbServiceClient, ctlCli
 		return fmt.Errorf("verb error: %s", resp.Error.Message)
 
 	case *ftlv1.CallResponse_Body:
-		fmt.Println(string(resp.Body))
+		status.PrintJSON(ctx, resp.Body)
 	}
 	return nil
 }

frontend/cli/cmd_replay.go

@@ -17,6 +17,7 @@ import (
 	"github.com/TBD54566975/ftl/go-runtime/ftl/reflection"
 	"github.com/TBD54566975/ftl/internal/log"
 	"github.com/TBD54566975/ftl/internal/rpc"
+	"github.com/TBD54566975/ftl/internal/status"
 )
 
 type replayCmd struct {
@@ -97,6 +98,8 @@ func (c *replayCmd) Run(ctx context.Context, client ftlv1connect.VerbServiceClie
 	}
 	requestJSON := events.Msg.GetEvents()[0].GetCall().Request
 
-	logger.Infof("Calling %s with body:\n%s", c.Verb, requestJSON)
+	logger.Infof("Calling %s with body:", c.Verb)
+	status.PrintJSON(ctx, []byte(requestJSON))
+	logger.Infof("Response:")
 	return callVerb(ctx, client, ctlCli, c.Verb, []byte(requestJSON))
 }

frontend/cli/cmd_status.go

@@ -9,6 +9,7 @@ import (
 
 	ftlv1 "github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1"
 	"github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1/ftlv1connect"
+	console "github.com/TBD54566975/ftl/internal/status"
 )
 
 type statusCmd struct {
@@ -35,6 +36,6 @@ func (s *statusCmd) Run(ctx context.Context, client ftlv1connect.ControllerServi
 	if err != nil {
 		return fmt.Errorf("failed to marshal status: %w", err)
 	}
-	fmt.Printf("%s\n", data)
+	console.PrintJSON(ctx, data)
 	return nil
 }

go.mod

@@ -49,6 +49,7 @@ require (
 	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1
 	github.com/sqlc-dev/pqtype v0.3.0
 	github.com/swaggest/jsonschema-go v0.3.72
+	github.com/tidwall/pretty v1.2.1
 	github.com/tink-crypto/tink-go-awskms v0.0.0-20230616072154-ba4f9f22c3e9
 	github.com/tink-crypto/tink-go/v2 v2.2.0
 	github.com/titanous/json5 v1.0.0

internal/status/status.go

@@ -13,6 +13,7 @@ import (
 	"unicode/utf8"
 
 	"github.com/alecthomas/atomic"
+	"github.com/tidwall/pretty"
 	"golang.org/x/term"
 )
 
@@ -165,6 +166,18 @@ func UpdateModuleState(ctx context.Context, module string, state BuildState) {
 	sm.SetModuleState(module, state)
 }
 
+// PrintJSON prints a json string to the terminal
+// It probably doesn't belong here, but it will be moved later with the interactive terminal work
+func PrintJSON(ctx context.Context, json []byte) {
+	sm := FromContext(ctx)
+	if _, ok := sm.(*terminalStatusManager); ok {
+		// ANSI enabled
+		fmt.Printf("%s\n", pretty.Color(pretty.Pretty(json), nil))
+	} else {
+		fmt.Printf("%s\n", json)
+	}
+}
+
 func (r *terminalStatusManager) gotoCoords(line int, col int) {
 	r.underlyingWrite(fmt.Sprintf("\033[%d;%dH", line, col))
 }