chore(deps): migrate to ESLint extends config structure (#1663)

* chore(deps): migrate to ESLint extends config structure

update ESLint configuration to use 'extends' for better maintainability

update dependencies in package.json and yarn.lock

* chore(deps): update eslint & @eslint/js to 9.37.0

* chore(deps): update typescript-eslint to 8.46.0

* refresh eslint-family dependencies

Author: MikeMcC399

backend/types.ts

@@ -1,4 +1,3 @@
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
 import { User as IUser } from "../src/models/user";
 
 declare global {

eslint.config.mjs

@@ -1,26 +1,20 @@
 import globals from 'globals'
-import { defineConfig } from 'eslint/config'
-import pluginJs from '@eslint/js'
-import pluginTs from 'typescript-eslint'
-import pluginTsParser from '@typescript-eslint/parser'
+import { defineConfig, globalIgnores } from 'eslint/config'
+import js from '@eslint/js'
+import tseslint from 'typescript-eslint'
 import pluginCypress from 'eslint-plugin-cypress'
 
 export default defineConfig([
-  {
-    ignores: ['build/'],
-  },
+  globalIgnores(['build/']),
   {
     files: ['**/*.ts'],
-    languageOptions: {
-      parser: pluginTsParser,
-    },
-  },
-  pluginJs.configs.recommended,
-  pluginTs.configs.recommended,
-  pluginCypress.configs.recommended,
-  {
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      pluginCypress.configs.recommended,
+    ],
     rules: {
-      // TO-DO review violations of disabled rules
+      // TODO: review violations of disabled rules
       'no-empty': 'off',
       'no-prototype-builtins': 'off',
       'no-undef': 'off',
@@ -38,9 +32,7 @@ export default defineConfig([
       '@typescript-eslint/triple-slash-reference': 'off',
     },
     languageOptions: {
-      globals: {
-        ...globals.node,
-      },
-    }
-  }
+      globals: globals.node,
+    },
+  },
 ])

package.json

@@ -57,6 +57,7 @@
     "@babel/preset-env": "^7.28.0",
     "@cypress/code-coverage": "^3.14.5",
     "@cypress/instrument-cra": "1.4.0",
+    "@eslint/js": "^9.38.0",
     "@faker-js/faker": "6.1.2",
     "@percy/cli": "^1.27.4",
     "@percy/cypress": "3.1.6",
@@ -91,7 +92,6 @@
     "@types/validator": "13.7.2",
     "@types/webpack-env": "1.16.4",
     "@types/yup": "0.29.13",
-    "@typescript-eslint/parser": "^8.35.1",
     "@vitejs/plugin-react": "^5.0.1",
     "babel-loader": "^10.0.0",
     "bcryptjs": "2.4.3",
@@ -101,8 +101,8 @@
     "cross-env": "7.0.3",
     "cypress": "15.0.0",
     "dotenv": "16.0.0",
-    "eslint": "^9.30.1",
-    "eslint-plugin-cypress": "^5.1.0",
+    "eslint": "^9.38.0",
+    "eslint-plugin-cypress": "^5.2.0",
     "express": "4.20.0",
     "express-jwt": "6.1.2",
     "express-paginate": "1.0.2",
@@ -132,7 +132,7 @@
     "start-server-and-test": "1.14.0",
     "ts-node": "10.9.2",
     "typescript": "5.8.3",
-    "typescript-eslint": "^8.35.1",
+    "typescript-eslint": "^8.46.2",
     "vite": "^7.1.3",
     "vite-plugin-eslint": "^1.8.1",
     "vite-plugin-istanbul": "^4.1.0",