added sample that uses no groups

README.md

@@ -128,6 +128,10 @@ apiGroups:
 
 ![rendered with groups](imgs/parsed4_groups.png)
 
+If no grouping information is provided, the rendered CRD's group version is used.
+
+![rendered without groups](imgs/parsed4_groups_2.png)
+
 ## Schema Generation
 
 `cty` also provides a way to generate a JSON Schema out of a CRD. Simply use:

cmd/config_handler.go

@@ -31,7 +31,7 @@ func (h *ConfigHandler) CRDs() ([]*pkg.SchemaType, error) {
 	// the CRDs.
 	var result []*pkg.SchemaType
 
-	for _, group := range configFile.ApiGroups {
+	for _, group := range configFile.APIGroups {
 		for _, file := range group.Files {
 			handler := FileHandler{location: file, group: group.Name}
 			fileResults, err := handler.CRDs()

cmd/crd.go

@@ -58,7 +58,7 @@ func runGenerate(_ *cobra.Command, _ []string) error {
 
 	if crdArgs.format == FormatHTML {
 		if crdArgs.output == "" {
-			return fmt.Errorf("output must be set to a filename if format is HTML")
+			return errors.New("output must be set to a filename if format is HTML")
 		}
 
 		if err := pkg.LoadTemplates(); err != nil {

pkg/config_file_schema.go

@@ -1,7 +1,7 @@
 package pkg
 
-// ApiGroups defines groups by which grouping will happen in the resulting HTML output.
-type ApiGroups struct {
+// APIGroups defines groups by which grouping will happen in the resulting HTML output.
+type APIGroups struct {
 	Name        string   `json:"name"`
 	Description string   `json:"description"`
 	Files       []string `json:"files,omitempty"`
@@ -10,5 +10,5 @@ type ApiGroups struct {
 
 // RenderConfig defines a configuration for the resulting rendered HTML content.
 type RenderConfig struct {
-	ApiGroups []ApiGroups `json:"apiGroups"`
+	APIGroups []APIGroups `json:"apiGroups"`
 }

pkg/create_html_output.go

@@ -14,8 +14,6 @@ import (
 	"github.com/Skarlso/crd-to-sample-yaml/v1beta1"
 )
 
-const defaultGroup = "Ungrouped"
-
 type Index struct {
 	Page []ViewPage
 }