Merge pull request #32395 from cameron-martin/feature/babel-traverse-node-aliases

[@babel/traverse]: Allowed node aliases as keys in visitors.

types/babel__traverse/babel__traverse-tests.ts

@@ -150,3 +150,8 @@ const VisitorStateTest: Visitor<SomeVisitorState> = {
         }
     }
 };
+
+const VisitorAliasTest: Visitor = {
+    Function() {},
+    Expression() {},
+};

types/babel__traverse/index.d.ts

@@ -145,6 +145,8 @@ export class Binding {
 
 export type Visitor<S = {}> = VisitNodeObject<S, Node> & {
     [Type in Node["type"]]?: VisitNode<S, Extract<Node, { type: Type; }>>;
+} & {
+    [K in keyof t.Aliases]?: VisitNode<S, t.Aliases[K]>
 };
 
 export type VisitNode<S, P> = VisitNodeFunction<S, P> | VisitNodeObject<S, P>;

types/babel__traverse/package.json

@@ -1,6 +1,6 @@
 {
     "private": true,
     "dependencies": {
-        "@babel/types": "^7.0.0"
+        "@babel/types": "^7.3.0"
     }
 }