feat: downgrade eslint version to support community setups

since eslint v9 is released, there are some packages like eslint-config-airbnb that is a boilerplate setup community contribution that doesn't support eslint v9 yet.
follow more on airbnb/javascript#2961

base.js

@@ -1,6 +1,6 @@
 module.exports = {
   parserOptions: {
-    ecmaVersion: 2020,
+    ecmaVersion: 2022,
   },
   extends: [
     'airbnb-base',
@@ -18,8 +18,10 @@ module.exports = {
     'no-return-await': 'error',
     'object-shorthand': ['error', 'always', { avoidExplicitReturnArrows: true }],
     'class-methods-use-this': 'off',
-    // 'max-classes-per-file': 'warn',
+    'max-classes-per-file': 'warn',
     'default-param-last': 'warn',
     'no-template-curly-in-string': 'warn',
+    'no-unused-vars': 'warn',
+    eqeqeq: 'error',
   },
 };

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@ctdesarrollo/eslint-config",
-  "version": "1.0.0",
-  "description": "CT eslint configurations",
+  "version": "1.0.1",
+  "description": "CT Desarrollo Eslint configurations",
   "main": "base.js",
   "repository": {
     "type": "git",
@@ -11,7 +11,7 @@
   "scripts": {
     "lint": "eslint .",
     "lint:fix": "eslint --fix .",
-    "prepare": "husky install"
+    "prepare": "husky"
   },
   "lint-staged": {
     "*.{md,css,scss}": [
@@ -22,25 +22,25 @@
     ]
   },
   "dependencies": {
-    "@babel/eslint-parser": "^7.25.9",
-    "@typescript-eslint/eslint-plugin": "^8.11.0",
-    "@typescript-eslint/parser": "^8.11.0",
-    "eslint": "^9.13.0",
+    "@babel/eslint-parser": "^7.25.1",
+    "@typescript-eslint/eslint-plugin": "^7.6.0",
+    "@typescript-eslint/parser": "^7.6.0",
+    "eslint": "^8.57.1",
     "eslint-config-airbnb": "^19.0.4",
     "eslint-config-airbnb-base": "^15.0.0",
-    "eslint-config-airbnb-typescript": "^18.0.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-import-resolver-typescript": "^3.6.3",
-    "eslint-plugin-check-file": "^2.8.0",
-    "eslint-plugin-import": "^2.31.0",
-    "eslint-plugin-jest-dom": "^5.4.0",
-    "eslint-plugin-jsx-a11y": "^6.10.1",
+    "eslint-config-airbnb-typescript": "^17.1.0",
+    "eslint-config-prettier": "^8.7.0",
+    "eslint-import-resolver-typescript": "^3.5.5",
+    "eslint-plugin-check-file": "^2.5.0",
+    "eslint-plugin-import": "^2.27.5",
+    "eslint-plugin-jest-dom": "^4.0.3",
+    "eslint-plugin-jsx-a11y": "^6.7.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.2.1",
-    "eslint-plugin-react": "^7.37.2",
-    "eslint-plugin-react-hooks": "^5.0.0",
-    "eslint-plugin-testing-library": "^6.4.0",
-    "husky": "^9.1.6",
+    "eslint-plugin-react": "^7.33.0",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-testing-library": "^5.10.0",
+    "husky": "^9.0.11",
     "lint-staged": "^15.2.10",
     "prettier": "^3.3.3",
     "typescript": "^5.6.3"