fix: add quotes to identifier with hyphen

Signed-off-by: jakezhu9 <[email protected]>

pkg/tools/gen/template.go

@@ -128,6 +128,9 @@ func formatName(name string) string {
 	if _, ok := kclKeywords[name]; ok {
 		return fmt.Sprintf("$%s", name)
 	}
+	if strings.Contains(name, "-") {
+		return fmt.Sprintf(`"%s"`, name)
+	}
 	return name
 }
 

pkg/tools/gen/testdata/yaml/identifier/expect.k

@@ -0,0 +1,10 @@
+"""
+This file was generated by the KCL auto-gen tool. DO NOT EDIT.
+Editing this file might prove futile when you re-run the KCL auto-gen generate command.
+"""
+
+identifier = {
+    "a-b" = "identifier with hyphen"
+    a_b = "identifier with underscore"
+    $if = "identifier with keyword"
+}

pkg/tools/gen/testdata/yaml/identifier/input.yaml

@@ -0,0 +1,4 @@
+identifier:
+    a-b: "identifier with hyphen"
+    a_b: "identifier with underscore"
+    if: "identifier with keyword"