wip(core): fix type

FranckFreiburger · FranckFreiburger · commit 442a097760f1 · 2021-03-20T22:43:10.000+01:00
diff --git a/src/tools.ts b/src/tools.ts
@@ -206,7 +206,7 @@ export async function transformJSCode(source : string, moduleSourceType : boolea
 
 	const { additionalBabelPlugins = [], log } = options;
 
-	let ast: t.Node;
+	let ast: t.File;
 	try {
 
 		ast = babel_parse(source, {
