Update eslint to latest versions

eslint.config.js

@@ -0,0 +1,52 @@
+import eslint from "@eslint/js";
+import tseslint from "typescript-eslint";
+import reactPlugin from "eslint-plugin-react";
+import nodePlugin from "eslint-plugin-n";
+import flowtypePlugin from "eslint-plugin-flowtype";
+
+export default tseslint.config(
+  // Load in recommended eslint configs
+  eslint.configs.recommended,
+
+  // Load in recommended tslint configs
+  tseslint.configs.recommended,
+
+  // Plugins and rules overrides
+  {
+    plugins: {
+      "@typescript-eslint": tseslint.plugin,
+      react: reactPlugin,
+      node: nodePlugin,
+      flowtype: flowtypePlugin,
+    },
+    rules: {
+      // Change 'off' to 'warn' to work out where cleanup is required
+      // Change 'off' to 'error' for show-stopper issues
+
+      "@/no-undef": "off",
+
+      "@typescript-eslint/ban-ts-comment": "off",
+      "@typescript-eslint/no-require-imports": "off",
+      "@typescript-eslint/no-this-alias": "off",
+      "@typescript-eslint/no-unused-expressions": "off",
+      "@typescript-eslint/no-unused-vars": "off",
+
+      "no-cond-assign": "off",
+      "no-constant-binary-expression": "off",
+      "no-constant-condition": "off",
+      "no-empty": "off",
+      "no-fallthrough": "off",
+      "no-func-assign": "off",
+      "no-prototype-builtins": "off",
+      "no-redeclare": "off",
+      "no-undef": "off",
+      "no-unsafe-finally": "off",
+      "no-unsafe-optional-chaining": "off",
+      "no-useless-escape": "off",
+
+      "node/no-unsupported-features/node-builtins": "off",
+
+      "react/display-name": "off",
+    },
+  }
+);

package.json

@@ -21,7 +21,7 @@
     "graphql-refresh": "graphql-codegen --config graphql-refresh.yml",
     "prettier-write": "prettier --write .",
     "prettier-check": "prettier --check .",
-    "lint": "eslint . --ext .ts --ext .tsx",
+    "lint": "eslint",
     "watch-client": "yarn --cwd 'client' watch 2>&1",
     "watch-bootstrapping-lambda": "yarn --cwd 'bootstrapping-lambda' watch 2>&1",
     "watch": "run-p --print-label watch-client watch-bootstrapping-lambda",
@@ -34,6 +34,7 @@
     "generate-appsync-auth-token": "ts-node-dev bootstrapping-lambda/generateAppSyncAuthToken.ts"
   },
   "devDependencies": {
+    "@eslint/js": "^9.17.0",
     "@graphql-codegen/cli": "5.0.2",
     "@graphql-codegen/introspection": "1.18.0",
     "@graphql-codegen/typescript": "1.17.11",
@@ -43,12 +44,11 @@
     "@types/node": "^22.10.1",
     "@types/node-fetch": "^2.6.3",
     "@types/prompts": "^2.0.14",
-    "@typescript-eslint/eslint-plugin": "^4.11.1",
-    "@typescript-eslint/parser": "^4.11.1",
     "esbuild": "^0.14.18",
-    "eslint": "^7.16.0",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-react": "^7.21.5",
+    "eslint": "^9.17.0",
+    "eslint-plugin-flowtype": "^8.0.3",
+    "eslint-plugin-n": "^17.15.1",
+    "eslint-plugin-react": "^7.37.3",
     "husky": "^7.0.0",
     "jest": "^26.6.3",
     "lint-staged": ">=10",
@@ -57,6 +57,7 @@
     "ts-jest": "^26.5.4",
     "tsafe": "^1.0.1",
     "typescript": "^5.7.2",
+    "typescript-eslint": "^8.18.2",
     "wsrun": "^5.2.4",
     "yarn-run-all": "^3.1.1"
   },