Support expressions in rest arg access

The current implementation assumes a numeric literal although it just checks the base type.
2016-01-06 17:07:05 -08:00
parent 88d57b58a4
commit 59ea034df2
2 changed files with 11 additions and 3 deletions
--- a/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/rest-length/expected.js
+++ b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/rest-length/expected.js
@@ -1,6 +1,6 @@
 var t = function (f) {
-  arguments[0];
-  arguments[arguments.length - 1];
+  arguments.length <= 1 ? undefined : arguments[1];
+  arguments.length <= arguments.length - 1 - 1 + 1 ? undefined : arguments[arguments.length - 1 - 1 + 1];
 };

 function t(f) {