Don't generate class mixins if prop doesn't exist

2015-12-23 16:37:14 -05:00 · 2015-12-23 16:37:14 -05:00 · e9c23ba7a1
commit e9c23ba7a1
parent bb874a4e46
1 changed files with 1 additions and 1 deletions
--- a/packages/babel-generator/src/generators/flow.js
+++ b/packages/babel-generator/src/generators/flow.js
@ -104,7 +104,7 @@ export function _interfaceish(node: Object) {
    this.push(" extends ");
    this.printJoin(node.extends, node, { separator: ", " });
  }
-  if (node.mixins.length) {
+  if (node.mixins && node.mixins.length) {
    this.push(" mixins ");
    this.printJoin(node.mixins, node, { separator: ", " });
  }