build: Turn unused vars from TS error into eslint error (#6747)

Author: Luca Forstner

packages/eslint-config-sdk/src/index.js

@@ -24,7 +24,7 @@ module.exports = {
         '@sentry-internal/sdk/no-eq-empty': 'error',
 
         // Unused variables should be removed unless they are marked with and underscore (ex. _varName).
-        '@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
+        '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
 
         // Make sure that all ts-ignore comments are given a description.
         '@typescript-eslint/ban-ts-comment': [

packages/typescript/tsconfig.json

@@ -13,8 +13,8 @@
     "noFallthroughCasesInSwitch": true,
     "noImplicitReturns": true,
     "noImplicitUseStrict": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
     "preserveWatchOutput": true,
     "sourceMap": true,
     "strict": true,