plane/packages/eslint-config/next.js

const { resolve } = require("node:path");
const project = resolve(process.cwd(), "tsconfig.json");

module.exports = {
  extends: ["next", "prettier", "plugin:@typescript-eslint/recommended"],
  parser: "@typescript-eslint/parser",
  plugins: ["react", "@typescript-eslint", "import"],
  globals: {
    React: "readonly",
    JSX: "readonly",
  },
  env: {
    node: true,
    browser: true,
  },
  settings: {
    "import/resolver": {
      typescript: {
        project,
      },
    },
  },
  ignorePatterns: [".*.js", "node_modules/"],
  rules: {
    "no-useless-escape": "off",
    "prefer-const": "error",
    "no-irregular-whitespace": "error",
    "no-trailing-spaces": "error",
    "import/no-duplicates": ["error", { considerQueryString: true }],
    "no-useless-catch": "warn",
    "no-case-declarations": "error",
    "no-undef": "error",
    "no-unreachable": "error",
    "arrow-body-style": ["error", "as-needed"],
    "@next/next/no-html-link-for-pages": "off",
    "@next/next/no-img-element": "off",
    "react/jsx-key": "error",
    "react/self-closing-comp": ["error", { component: true, html: true }],
    "react/jsx-boolean-value": "error",
    "react/jsx-no-duplicate-props": "error",
    "react-hooks/exhaustive-deps": "warn",
    "import/consistent-type-specifier-style": ["error", "prefer-top-level"],
    "@typescript-eslint/no-import-type-side-effects": "error",
    "@typescript-eslint/consistent-type-imports": [
      "error",
      {
        prefer: "type-imports",
        fixStyle: "separate-type-imports",
        disallowTypeAnnotations: false,
      },
    ],
    "@typescript-eslint/no-unused-expressions": "warn",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        argsIgnorePattern: "^_",
        varsIgnorePattern: "^_",
        caughtErrorsIgnorePattern: "^_",
      },
    ],
    "@typescript-eslint/no-explicit-any": "warn",
    "@typescript-eslint/no-useless-empty-export": "error",
    "@typescript-eslint/prefer-ts-expect-error": "warn",

    "@typescript-eslint/naming-convention": [
      "warn",
      {
        selector: "variable",
        format: ["camelCase", "snake_case", "UPPER_CASE", "PascalCase"],
        leadingUnderscore: "allow",
      },
    ],
    "import/order": [
      "warn",
      {
        groups: ["builtin", "external", "internal", "parent", "sibling"],
        pathGroups: [
          {
            pattern: "react",
            group: "external",
            position: "before",
          },
          {
            pattern: "lucide-react",
            group: "external",
            position: "after",
          },
          {
            pattern: "@headlessui/**",
            group: "external",
            position: "after",
          },
          {
            pattern: "@plane/**",
            group: "external",
            position: "after",
          },
          {
            pattern: "@/**",
            group: "internal",
          },
          {
            pattern: "public/**",
            group: "internal",
            position: "after",
          },
        ],
        pathGroupsExcludedImportTypes: ["builtin", "internal", "react"],
        alphabetize: {
          order: "asc",
          caseInsensitive: true,
        },
      },
    ],
  },
};