Attempting to make build consistent across different OS

Author: geofflamrock

dist/index.js

@@ -78,7 +78,7 @@
     "format": "prettier --write **/*.ts",
     "format-check": "prettier --check **/*.ts",
     "prebuild": "eslint src/**/*.ts",
-    "postbuild": "ncc build out/index.js -o dist",
+    "postbuild": "ncc build out/index.js -o dist --external encoding",
     "test": "jest --ci --reporters=default --reporters=jest-junit"
   },
   "version": "3.2.1"