Add noUnusedLocals to VsCode tsconfig

`tslint` doesn't catch this because TypeScript has had this check
builtin since 2.9. However, it's disabled by default so right now
nothing is checking for unused variables.

1 files changed, 2 insertions, 1 deletions

diff --git a/editors/code/tsconfig.json b/editors/code/tsconfig.json
index ef93c52b75b..9ad2e967b2c 100644
--- a/editors/code/tsconfig.json
+++ b/editors/code/tsconfig.json
@@ -6,7 +6,8 @@
         "lib": ["es6"],
         "sourceMap": true,
         "rootDir": "src",
-        "strict": true
+        "strict": true,
+        "noUnusedLocals": true
     },
     "exclude": ["node_modules", ".vscode-test"]
 }