Merge pull request #16588 from gkjohnson/eslint-ts-indent-fix

Typescript ESLint: Add indent rule for d.ts files

package.json

@@ -32,7 +32,14 @@
       "@typescript-eslint"
     ],
     "rules": {
-      "@typescript-eslint/no-unused-vars": 1
+      "@typescript-eslint/no-unused-vars": 1,
+      "@typescript-eslint/indent": [
+        "error",
+        "tab",
+        {
+          "SwitchCase": 1
+        }
+      ]
     }
   },
   "scripts": {