Fixed caret position for append transforms

textfilters.go

@@ -14,6 +14,7 @@ import (
 
 	"text/template"
 
+	"github.com/google/uuid"
 	"gopkg.in/yaml.v3"
 	"ucl.lmika.dev/ucl"
 )
@@ -60,14 +61,25 @@ var TextFilters = map[string]TextProcessor{
 			return TextFilterResponse{Output: strings.ToLower(input)}, nil
 		},
 	},
+	"quote": {
+		Label: "String: Quote",
+		Filter: func(ctx context.Context, input string) (resp TextFilterResponse, err error) {
+			return TextFilterResponse{Output: strconv.Quote(input)}, nil
+		},
+	},
 	"unquote": {
 		Label: "String: Unquote",
 		Filter: func(ctx context.Context, input string) (resp TextFilterResponse, err error) {
-			out, err := strconv.Unquote(input)
+			endNL := ""
+			if strings.HasSuffix(input, "\n") {
+				endNL = "\n"
+			}
+
+			out, err := strconv.Unquote(strings.TrimSpace(input))
 			if err != nil {
 				return TextFilterResponse{}, err
 			}
-			return TextFilterResponse{Output: out}, nil
+			return TextFilterResponse{Output: out + endNL}, nil
 		},
 	},
 	"join-lines-with-commas": {
@@ -176,6 +188,20 @@ var TextFilters = map[string]TextProcessor{
 		},
 	},
 
+	"uuid": {
+		Label: "Generate: UUID v4",
+		Filter: func(ctx context.Context, input string) (resp TextFilterResponse, err error) {
+			u, err := uuid.NewRandom()
+			if err != nil {
+				return TextFilterResponse{}, fmt.Errorf("failed to generate UUID: %w", err)
+			}
+			return TextFilterResponse{
+				Output: u.String(),
+				Append: true,
+			}, nil
+		},
+	},
+
 	"lines": {
 		Label: "Lines: Count",
 		Analyze: func(ctx context.Context, input string) (result string, err error) {