Enforce EOF New Line in .ts (#3058)

* Enforce EOF New Line in .ts

* Add to .editorconfig

.editorconfig

@@ -31,6 +31,10 @@ indent_size = 2
 [*.json]
 indent_size = 2
 
+# TypeScript files
+[*.ts]
+insert_final_newline = true
+
 # Dotnet code style settings:
 [*.cs]
 # Sort using and Import directives with System.* appearing first

src/Razor/tslint.json

@@ -19,6 +19,7 @@
                 "limit": 200
             }
         },
-        "one-line": [true, "check-open-brace", "check-catch", "check-finally", "check-else", "check-whitespace"]
+        "one-line": [true, "check-open-brace", "check-catch", "check-finally", "check-else", "check-whitespace"],
+        "eofline": true
     }
 }