add eslintrc trailing commas required rule for ie8

MaxBittker · MaxBittker · commit 6a92d8cfcfb0 · 2016-11-15T11:13:12.000-08:00
diff --git a/.eslintrc b/.eslintrc
@@ -11,6 +11,7 @@
   },
   "rules": {
     "block-scoped-var": 2,
+    "comma-dangle": [2, "never"],
     "dot-notation": [
       2,
       {
