chore: update the comments to better reflect what those parts are doing

src/parsers/pipe.parser.ts

@@ -51,24 +51,24 @@ function traverseAstNode<RESULT extends unknown, NODE extends TmplAstNode | Tmpl
 		children.push(...node.children);
 	}
 
-	// @for blocks
+	// contents of @for extra ancestor block @empty
 	if (node instanceof TmplAstForLoopBlock) {
 		children.push(node.empty);
 	}
 
-	// @deferred blocks
+	// contents of @defer extra ancestor blocks @error, @placeholder and @loading
 	if (node instanceof TmplAstDeferredBlock) {
 		children.push(node.error);
 		children.push(node.loading);
 		children.push(node.placeholder);
 	}
 
-	// @if block
+	// contents of @if and @else (ignoring the @if(...) condition statement though)
 	if (node instanceof TmplAstIfBlock) {
 		children.push(...node.branches.flatMap((inner) => inner.children));
 	}
 
-	// @switch block
+	// contents of @case blocks (ignoring the @switch(...) statement though)
 	if (node instanceof TmplAstSwitchBlock) {
 		children.push(...node.cases.flatMap((inner) => inner.children));
 	}