Revert "removing es6-promise dev dependency"

This reverts commit 5388eec3bf.
9 years ago · dd82bf6414
1 changed files with 1 additions and 0 deletions
--- a/package.json
+++ b/package.json
@ -25,6 +25,7 @@
  },
  "devDependencies": {
    "coveralls": "^2.3.0",
+    "es6-promise": "^3.0.2",
    "istanbul": "^0.2.11",
    "jscs": "^1.9.0",
    "jsdoc": "^3.3.0",