feat: add support for comments in enum definitions and TypeScript output

bindings/declarations.go

@@ -115,6 +115,7 @@ type Enum struct {
 	Name      Identifier
 	Modifiers []Modifier
 	Members   []*EnumMember
+	SupportComments
 	Source
 }
 

convert.go

@@ -479,13 +479,18 @@ func (ts *Typescript) parse(obj types.Object) error {
 			// If this has 'const's, then it is an enum. The enum code will
 			// patch this value to be more specific.
 			ts.updateNode(objectIdentifier.Ref(), func(n *typescriptNode) {
-				n.Node = &bindings.Alias{
+				aliasNode := &bindings.Alias{
 					Name:       objectIdentifier,
 					Modifiers:  []bindings.Modifier{},
 					Type:       rhs.Value,
 					Parameters: rhs.TypeParameters,
 					Source:     ts.location(obj),
 				}
+				if ts.preserveComments {
+					cmts := ts.parsed.CommentForObject(obj)
+					aliasNode.AppendComments(cmts)
+				}
+				n.Node = aliasNode
 			})
 			return nil
 		case *types.Map, *types.Array, *types.Slice:

node.go

@@ -38,10 +38,11 @@ func (t *typescriptNode) AddEnum(member *bindings.EnumMember) {
 		if ok {
 			// Switch to an enum
 			enum := &bindings.Enum{
-				Name:      alias.Name,
-				Modifiers: alias.Modifiers,
-				Members:   []*bindings.EnumMember{member},
-				Source:    alias.Source,
+				Name:            alias.Name,
+				Modifiers:       alias.Modifiers,
+				Members:         []*bindings.EnumMember{member},
+				SupportComments: alias.SupportComments,
+				Source:          alias.Source,
 			}
 			return enum, nil
 		}

testdata/enums/enums.ts

@@ -26,6 +26,9 @@ export enum EnumInt {
 export type EnumSliceType = readonly EnumString[];
 
 // From enums/enums.go
+/**
+ * EnumString is a string-based enum
+ */
 export enum EnumString {
     /**
      * EnumBar is the "bar" value