v1.14.6

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.14.6
+
+ * Avoid ensuring a block on non-array node replacements.
+
 # 1.14.5
 
  * Upgrade `acorn-6to5`.

bin/_6to5-node

@@ -32,6 +32,7 @@ to5.register({
 
 var _eval = function (code, filename) {
   code = to5.transform(code, {
+    modules: "commonInterop",
     filename: filename,
     blacklist: ["useStrict"],
     experimental: commander.experimental

lib/6to5/traverse/index.js

@@ -51,7 +51,7 @@ function traverse(parent, callbacks, opts) {
           updated = true;
           node = obj[key] = result;
 
-          if (_.contains(t.STATEMENT_OR_BLOCK_KEYS, key) && !t.isBlockStatement(obj)) {
+          if (_.isArray(result) && _.contains(t.STATEMENT_OR_BLOCK_KEYS, key) && !t.isBlockStatement(obj)) {
             t.ensureBlock(obj, key);
           }
         }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "6to5",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "1.14.5",
+  "version": "1.14.6",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://github.com/6to5/6to5",
   "repository": {