conference-room-booking-system/frontend/eslint.config.js

import js from "@eslint/js";
import tsParser from "@typescript-eslint/parser";
import tsPlugin from "@typescript-eslint/eslint-plugin";
import reactPlugin from "eslint-plugin-react";
import jestPlugin from "eslint-plugin-jest";

// ESLint v9+ config for NuminarCodingProject frontend
export default [
  js.configs.recommended,
  {
    files: ["src/**/*.{ts,tsx,js,jsx}"],
    ignores: ["**/node_modules/**", "**/dist/**", "**/build/**"], // Do NOT ignore src/
    languageOptions: {
      parser: tsParser,
      ecmaVersion: 2021,
      sourceType: "module",
      globals: {
        window: "readonly",
        document: "readonly",
        process: "readonly",
        EventSource: "readonly",
        MessageEvent: "readonly",
        Event: "readonly",
        HTMLFormElement: "readonly",
        HTMLDivElement: "readonly",
        BeforeUnloadEvent: "readonly",
        setTimeout: "readonly",
        getComputedStyle: "readonly",
      },
    },
    plugins: {
      react: reactPlugin,
      "@typescript-eslint": tsPlugin,
    },
    rules: {
      "no-unused-vars": "warn",
      "no-console": "warn",
      eqeqeq: "error",
      curly: "error",
      semi: ["error", "always"],
      "react/jsx-uses-react": "error",
      "react/jsx-uses-vars": "error",
      "@typescript-eslint/no-explicit-any": "warn",
    },
    settings: {
      react: {
        version: "detect",
      },
    },
  },
  {
    files: ["src/__tests__/**/*.{ts,tsx,js,jsx}", "src/setupTests.ts"],
    plugins: { jest: jestPlugin },
    languageOptions: {
      ecmaVersion: 2021,
      sourceType: "module",
      globals: {
        describe: "readonly",
        it: "readonly",
        beforeAll: "readonly",
        afterAll: "readonly",
        beforeEach: "readonly",
        afterEach: "readonly",
        expect: "readonly",
        jest: "readonly",
        test: "readonly",
        global: "readonly",
        console: "readonly",
      },
    },
    rules: {
      "jest/no-disabled-tests": "warn",
      "jest/no-focused-tests": "error",
      "jest/no-identical-title": "error",
      "jest/no-mocks-import": "error",
    },
  },
];