don't allow visitor methods to return a new node to replace

2015-09-15 06:27:37 +01:00 · 2015-09-15 06:27:37 +01:00 · 6898cf83d0
commit 6898cf83d0
parent 13773e3c02
1 changed files with 1 additions and 1 deletions
--- a/packages/babel-traverse/src/path/context.js
+++ b/packages/babel-traverse/src/path/context.js
@ -23,7 +23,7 @@ export function call(key) {
      var replacement = fn.call(this, this, this.state);

      if (replacement) {
-        this.replaceWith(replacement, true);
+        throw new Error("Unexpected return value from visitor method");
      }

      if (this.shouldStop || this.shouldSkip || this.removed) return;