class properties with an undefined value are now correctly writable

2015-04-13 20:46:33 -07:00
parent 64f5480f96
commit 6ca565d7fb
6 changed files with 45 additions and 0 deletions
--- a/src/babel/transformation/transformers/es6/classes.js
+++ b/src/babel/transformation/transformers/es6/classes.js
@@ -552,6 +552,11 @@ class ClassTransformer {
        this.instancePropBody.push(t.expressionStatement(
          t.assignmentExpression("=", t.memberExpression(t.thisExpression(), node.key), node.value)
        ));
+
+        node.value = null;
+      }
+
+      if (!node.value) {
        node.value = t.identifier("undefined");
      }