createNodeBuilder, declaration emit, and associated utility port

internal/ast/ast.go

@@ -1379,6 +1379,10 @@ func (n *Node) AsNotEmittedStatement() *NotEmittedStatement {
 	return n.data.(*NotEmittedStatement)
 }
 
+func (n *Node) AsNotEmittedTypeElement() *NotEmittedTypeElement {
+	return n.data.(*NotEmittedTypeElement)
+}
+
 func (n *Node) AsJSDoc() *JSDoc {
 	return n.data.(*JSDoc)
 }
@@ -3964,6 +3968,28 @@ func IsNotEmittedStatement(node *Node) bool {
 	return node.Kind == KindNotEmittedStatement
 }
 
+// NotEmittedStatement
+
+// Represents a type element that is elided as part of a transformation to emit comments on a
+// not-emitted node.
+type NotEmittedTypeElement struct {
+	NodeBase
+	TypeElementBase
+}
+
+func (f *NodeFactory) NewNotEmittedTypeElement() *Node {
+	data := &NotEmittedTypeElement{}
+	return newNode(KindNotEmittedTypeElement, data, f.hooks)
+}
+
+func (node *NotEmittedTypeElement) Clone(f NodeFactoryCoercible) *Node {
+	return cloneNode(f.AsNodeFactory().NewNotEmittedTypeElement(), node.AsNode(), f.AsNodeFactory().hooks)
+}
+
+func IsNotEmittedTypeElement(node *Node) bool {
+	return node.Kind == KindNotEmittedTypeElement
+}
+
 // ImportEqualsDeclaration
 
 type ImportEqualsDeclaration struct {
@@ -9842,7 +9868,7 @@ type SourceFile struct {
 	UsesUriStyleNodeCoreModules core.Tristate
 	Identifiers                 map[string]string
 	IdentifierCount             int
-	Imports                     []*LiteralLikeNode // []LiteralLikeNode
+	imports                     []*LiteralLikeNode // []LiteralLikeNode
 	ModuleAugmentations         []*ModuleName      // []ModuleName
 	AmbientModuleNames          []string
 	CommentDirectives           []CommentDirective
@@ -9913,6 +9939,14 @@ func (node *SourceFile) Path() tspath.Path {
 	return node.path
 }
 
+func (node *SourceFile) OriginalFileName() string {
+	return node.FileName() // !!! redirect source files
+}
+
+func (node *SourceFile) Imports() []*LiteralLikeNode {
+	return node.imports
+}
+
 func (node *SourceFile) Diagnostics() []*Diagnostic {
 	return node.diagnostics
 }
@@ -9953,6 +9987,10 @@ func (node *SourceFile) VisitEachChild(v *NodeVisitor) *Node {
 	return v.Factory.UpdateSourceFile(node, v.visitTopLevelStatements(node.Statements))
 }
 
+func (node *SourceFile) IsJS() bool {
+	return IsSourceFileJS(node)
+}
+
 func (node *SourceFile) copyFrom(other *SourceFile) {
 	// Do not copy fields set by NewSourceFile (Text, FileName, Path, or Statements)
 	node.LanguageVersion = other.LanguageVersion
@@ -9962,7 +10000,7 @@ func (node *SourceFile) copyFrom(other *SourceFile) {
 	node.HasNoDefaultLib = other.HasNoDefaultLib
 	node.UsesUriStyleNodeCoreModules = other.UsesUriStyleNodeCoreModules
 	node.Identifiers = other.Identifiers
-	node.Imports = other.Imports
+	node.imports = other.imports
 	node.ModuleAugmentations = other.ModuleAugmentations
 	node.AmbientModuleNames = other.AmbientModuleNames
 	node.CommentDirectives = other.CommentDirectives

internal/ast/kind.go

@@ -386,6 +386,7 @@ const (
 	KindPartiallyEmittedExpression
 	KindCommaListExpression
 	KindSyntheticReferenceExpression
+	KindNotEmittedTypeElement
 	// Enum value count
 	KindCount
 	// Markers