support arrow function (#4385)

2020-12-17 10:23:41 +00:00
parent 75e9fd8417
commit a96f087ac3
11 changed files with 732 additions and 117 deletions
--- a/lib/transform.js
+++ b/lib/transform.js
@@ -131,6 +131,14 @@ TreeTransformer.prototype = new TreeWalker;
        self.argnames = do_list(self.argnames, tw);
        self.body = do_list(self.body, tw);
    });
+    DEF(AST_Arrow, function(self, tw) {
+        self.argnames = do_list(self.argnames, tw);
+        if (self.value) {
+            self.value = self.value.transform(tw);
+        } else {
+            self.body = do_list(self.body, tw);
+        }
+    });
    DEF(AST_Call, function(self, tw) {
        self.expression = self.expression.transform(tw);
        self.args = do_list(self.args, tw);