style: autoformat codegen files

.vscode/settings.json

@@ -1,15 +1,15 @@
 {
   "go.formatTool": "default",
-  "[json]": {
-    "editor.formatOnSave": true,
-  },
-  "[jsonc]": {
-    "editor.formatOnSave": true,
-  },
   "[go]": {
     "editor.formatOnSave": true,
     "editor.codeActionsOnSave": {
       "source.organizeImports": "always"
     }
+  },
+  "[json]": {
+    "editor.formatOnSave": true,
+  },
+  "[jsonc]": {
+    "editor.formatOnSave": true,
   }
 }

cmd/txttocode/main.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
+	"go/format"
 	"os"
 	"regexp"
 	"strings"
@@ -117,13 +118,21 @@ func generateFile(sourcePath, destinationPath, tpl string) error {
 
 	t := template.Must(template.New("tpl").Funcs(funcMap).Parse(tpl))
 
-	file, err := os.Create(destinationPath)
+	var b bytes.Buffer
+	if err := t.Execute(&b, fileContent); err != nil {
+		return err
+	}
+
+	output := b.Bytes()
+	if strings.HasSuffix(destinationPath, ".go") {
+		formatted, err := format.Source(output)
 		if err != nil {
 			return err
 		}
-	defer file.Close()
+		output = formatted
+	}
 
-	return t.Execute(file, fileContent)
+	return os.WriteFile(destinationPath, output, 0644)
 }
 
 func generateItems() error {
@@ -217,9 +226,9 @@ func generateItems() error {
 	}
 
 	itemsFileContent += "}"
-	err = os.WriteFile("pkg/data/item/items.go", []byte(itemsFileContent), 0644)
+	formatted, err := format.Source([]byte(itemsFileContent))
 	if err != nil {
 		return err
 	}
-	return nil
+	return os.WriteFile("pkg/data/item/items.go", formatted, 0644)
 }