Add lint step and activate eoline lint rule

Author: ivanportillo

.github/workflows/nodejs.yml

@@ -25,6 +25,7 @@ jobs:
         run: |
           npm install
           npm run build --if-present
+          npm run lint
           npm test
         env:
           CI: true

package.json

@@ -15,6 +15,7 @@
     "test": "npm run test:unit && npm run test:features",
     "test:unit": "NODE_ENV=test jest",
     "test:features": "NODE_ENV=test cucumber-js -p default",
+    "lint": "tslint src/**/*.ts{,x}",
     "start": "NODE_ENV=production node dist/src/apps/mooc_backend/server",
     "build": "npm run build:clean && npm run build:tsc && npm run build:di",
     "build:tsc": "tsc -p tsconfig.prod.json",

tslint.json

@@ -4,7 +4,7 @@
   "rules": {
     "adjacent-overload-signatures": true,
     "curly": true,
-    "eofline": false,
+    "eofline": true,
     "align": [true, "parameters"],
     "class-name": true,
     "indent": [true, "spaces"],