Merge branch 'master' into update-jest

Author: sibiraj-s

package.json

@@ -72,6 +72,7 @@
     "chalk": "^2.1.0",
     "convert-source-map": "^1.6.0",
     "extract-from-css": "^0.4.4",
+    "source-map": "^0.7.3",
     "ts-jest": "^25.2.1"
   },
   "repository": {