fix: useful error when upgrading from v1.0 (#6)

* Adds a check to throw a nice error if there's whitelist in their config, instead of allowList.
* Adds a quick unit test to make sure it's all good in the hood.

Co-authored-by: Chad Lee <git@chadly.net>

Author: vicentereig

.eslintrc.js

@@ -1,15 +1,14 @@
 module.exports = {
 	env: {
 		es6: true,
-		node: true
+		node: true,
+		jest: true
 	},
 	globals: {
 		location: "off"
 	},
-	extends: [
-		"@runly"
-	],
-	rules:{
+	extends: ["@runly"],
+	rules: {
 		"import/no-commonjs": "off"
 	}
 };

.github/workflows/ci.yml

@@ -2,8 +2,8 @@ name: CI
 on: push
 
 jobs:
-  lint:
-    name: Lint
+  linttest:
+    name: Lint & Test
     runs-on: ubuntu-latest
 
     steps:
@@ -24,3 +24,4 @@ jobs:
       run: npm i
 
     - run: npm run lint
+    - run: npm test