Convert js files in `client/src` to Typescript

Gitlab: #30
Change-Id: I679b8b0f30445a872d152ae93ecad5ff6c9a259f
diff --git a/.eslintrc.json b/.eslintrc.json
index 88a003f..323d257 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -33,6 +33,7 @@
     "@typescript-eslint/no-explicit-any": "off",
     "@typescript-eslint/no-unused-vars": "off",
     "eqeqeq": ["warn", "smart"],
+    "no-constant-condition": ["error", { "checkLoops": false }],
     "simple-import-sort/exports": "warn",
     "simple-import-sort/imports": "warn",
     "unused-imports/no-unused-imports": "error",