IO-3020 IO-3036 Resolve Linting Issues and implement ES9

client/eslint.config.js

@@ -0,0 +1,12 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import pluginReact from "eslint-plugin-react";
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { files: ["**/*.{js,mjs,cjs,jsx}"] },
+  { languageOptions: { globals: globals.browser } },
+  pluginJs.configs.recommended,
+  pluginReact.configs.flat.recommended, // This is not a plugin object, but a shareable config object
+  pluginReact.configs.flat["jsx-runtime"] // Add this if you are using React 17+
+];