fix(node): Make ChildNode a tagged union

fb55 · fb55 · commit d7f9a0f74268 · 2022-04-09T10:37:20.000+01:00
diff --git a/src/node.ts b/src/node.ts
@@ -21,7 +21,12 @@ interface TagSourceCodeLocation extends SourceCodeLocation {
 }
 
 export type ParentNode = Document | Element | CDATA;
-export type ChildNode = DataNode | Element | CDATA;
+export type ChildNode =
+    | Text
+    | Comment
+    | ProcessingInstruction
+    | Element
+    | CDATA;
 export type AnyNode = ParentNode | ChildNode;
 
 /**
