diff --git a/src/language-js/types/estree.d.ts b/src/language-js/types/estree.d.ts
index eebe91957..cbfd9aaa7 100644
--- a/src/language-js/types/estree.d.ts
+++ b/src/language-js/types/estree.d.ts
@@ -53,14 +53,14 @@ export type Node = ExtendNode<_Node>;
 export type NodeMap = CreateNodeMap<Node>;
 export type CommentMap = CreateNodeMap<Comment>;
 
-type CreateNodeMap<InputNode extends Node | Comment> = {
-  [NodeType in InputNode["type"]]: Extract<InputNode, { type: NodeType }>;
+type CreateNodeMap<Input extends Node | Comment> = {
+  [NodeType in Input["type"]]: Extract<Input, { type: NodeType }>;
 };
 
-type ExtendNode<InputNode> = InputNode extends _Node
+type ExtendNode<Input> = Input extends _Node
   ? {
-      [Key in keyof InputNode]: ExtendNode<InputNode[Key]>;
+      [Key in keyof Input]: ExtendNode<Input[Key]>;
     } & PrettierNodeAdditionalProperties
-  : InputNode extends readonly (_Node | any)[]
-    ? ExtendNode<InputNode[number]>[]
-    : InputNode;
+  : Input extends readonly any[]
+    ? ExtendNode<Input[number]>[]
+    : Input;
diff --git a/src/language-js/types/typescript-estree.ts b/src/language-js/types/typescript-estree.ts
index 6ab22bd09..e6305a249 100644
--- a/src/language-js/types/typescript-estree.ts
+++ b/src/language-js/types/typescript-estree.ts
@@ -2,9 +2,15 @@ import type { TSESTree } from "@typescript-eslint/typescript-estree";
 
 type NodeOrComment = TSESTree.Node | TSESTree.Comment;
 
-type ConvertTypeToString<Node extends NodeOrComment> = {
-  [Key in keyof Node]: Key extends "type" ? `${Node[Key]}` : Node[Key];
-};
+type ConvertTypeToString<Input> = Input extends NodeOrComment
+  ? {
+      [Key in keyof Input]: Key extends "type"
+        ? `${Input[Key]}`
+        : ConvertTypeToString<Input[Key]>;
+    }
+  : Input extends readonly any[]
+    ? ConvertTypeToString<Input[number]>[]
+    : Input;
 
 export type Node = ConvertTypeToString<TSESTree.Node>;
 export type Comment = ConvertTypeToString<TSESTree.Comment>;