support generator functions (#4620)

2021-02-07 22:44:20 +00:00
parent c44b6399c3
commit fd4caf7a9c
12 changed files with 1186 additions and 182 deletions
--- a/lib/transform.js
+++ b/lib/transform.js
@@ -157,6 +157,9 @@ TreeTransformer.prototype = new TreeWalker;
    DEF(AST_Await, function(self, tw) {
        self.expression = self.expression.transform(tw);
    });
+    DEF(AST_Yield, function(self, tw) {
+        if (self.expression) self.expression = self.expression.transform(tw);
+    });
    DEF(AST_Dot, function(self, tw) {
        self.expression = self.expression.transform(tw);
    });