Merge pull request #100 from CMSgov/brandon/BB2-4035-upgrade-linter-plugins

adding eslintrc.mjs and upgraded eslint plugins

Author: bwang-icf

client/eslintrc.json

@@ -0,0 +1,50 @@
+import { defineConfig } from "eslint/config";
+import react from "eslint-plugin-react";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default defineConfig([{
+    extends: compat.extends(
+        "eslint:recommended",
+        "plugin:react/recommended",
+        "plugin:@typescript-eslint/recommended",
+    ),
+
+    plugins: {
+        react,
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+        },
+
+        parser: tsParser,
+        ecmaVersion: 12,
+        sourceType: "script",
+
+        parserOptions: {
+            ecmaFeatures: {
+                jsx: true,
+            },
+        },
+    },
+
+    rules: {
+        "@typescript-eslint/no-explicit-any": "off",
+    },
+}]);