ignore underscored options - fixes #29

2015-01-28 14:14:33 +11:00
parent efda5ca897
commit 8f69e59f29
1 changed files with 1 additions and 1 deletions
--- a/lib/6to5/file.js
+++ b/lib/6to5/file.js
@@ -82,7 +82,7 @@ File.normaliseOptions = function (opts) {
  opts = clone(opts);

  for (var key in opts) {
-    if (File.validOptions.indexOf(key) < 0) {
+    if (key[0] !== "_" && File.validOptions.indexOf(key) < 0) {
      throw new ReferenceError("Unknown option: " + key);
    }
  }