eslint.config.mjs

import { dirname } from "path"
import { fileURLToPath } from "url"

import eslintConfigPrettier from "eslint-config-prettier/flat"
import simpleImportSort from "eslint-plugin-simple-import-sort"
import unusedImports from "eslint-plugin-unused-imports"
import { FlatCompat } from "@eslint/eslintrc"

const __filename = fileURLToPath(import.meta.url)
const __dirname = dirname(__filename)

const compat = new FlatCompat({
  baseDirectory: __dirname,
})

const eslintConfig = [
  ...compat.extends("next/core-web-vitals", "next/typescript"),
  eslintConfigPrettier,
  {
    plugins: {
      "simple-import-sort": simpleImportSort,
      "unused-imports": unusedImports,
    },
    rules: {
      "simple-import-sort/imports": [
        "error",
        {
          groups: [
            // Node.js builtins.
            [
              "^(assert|buffer|child_process|cluster|console|constants|crypto|dgram|dns|domain|events|fs|http|https|module|net|os|path|punycode|querystring|readline|repl|stream|string_decoder|sys|timers|tls|tty|url|util|vm|zlib|freelist|v8|process|async_hooks|http2|perf_hooks)(/.*|$)",
            ],
            // Packages. `react` related packages come first.
            // Also, put `react-*` in sorting order not with `react`
            ["^react(?!-.)$", "^next(?!-.)$", "^\\w", "^@\\w"],
            // From the `types` directory.
            ["^@/lib/types", "^@/lib/interfaces"],
            // From the `components` directory.
            ["^@/components"],
            // From the `utils` directory.
            ["^@/lib/utils"],
            // From the `data` directory.
            ["^@/data"],
            // From the `constants` directory.
            ["^@/lib/constants"],
            // Parent imports. Put `..` last.
            ["^\\.\\.(?!/?$)", "^\\.\\./?$"],
            // Other relative imports. Put same-folder imports and `.` last.
            ["^\\./(?=.*/)(?!/?$)", "^\\.(?!/?$)", "^\\./?$"],
            // Style imports.
            ["^.+\\.s?css$"],
            // Side effect imports.
            ["^\\u0000"],
          ],
        },
      ],
      "simple-import-sort/exports": "error",
      "no-unused-vars": "off",
      "unused-imports/no-unused-vars": [
        "error",
        {
          args: "all",
          argsIgnorePattern: "^_$",
          varsIgnorePattern: "^_$",
        },
      ],
      "unused-imports/no-unused-imports": "warn",
    },
    ignores: [
      "node_modules/**",
      ".next/**",
      "out/**",
      "build/**",
      "next-env.d.ts",
    ],
  },
]

export default eslintConfig