.eslintrc.cjs

/**
 * This is a ESLint config for a Remix project.
 */

/** @type {import('eslint').Linter.Config} */
module.exports = {
  root: true,
  parserOptions: {
    ecmaVersion: "latest",
    sourceType: "module",
    ecmaFeatures: {
      jsx: true,
    },
  },
  env: {
    browser: true,
    commonjs: true,
    es6: true,
  },
  ignorePatterns: ["!**/.server", "!**/.client"],

  // Base config
  extends: ["eslint:recommended"],

  overrides: [
    // React
    {
      files: ["**/*.{js,jsx,ts,tsx}"],
      plugins: ["react", "jsx-a11y"],
      extends: [
        "plugin:react/recommended",
        "plugin:react/jsx-runtime",
        "plugin:react-hooks/recommended",
        "plugin:jsx-a11y/recommended",
      ],
      settings: {
        react: {
          version: "detect",
        },
        formComponents: ["Form"],
        linkComponents: [
          { name: "Link", linkAttribute: "to" },
          { name: "NavLink", linkAttribute: "to" },
        ],
        "import/resolver": {
          typescript: {
            "project": "./tsconfig.json",
          },
        },
      },
    },

    // Typescript
    {
      files: ["**/*.{ts,tsx}"],
      plugins: ["@typescript-eslint", "import"],
      parser: "@typescript-eslint/parser",
      parserOptions: {
        project: true,
        // FIXME: __dirname not defined
        tsconfigRootDir: __dirname,
      },
      settings: {
        "import/internal-regex": "^~/",
        "import/resolver": {
          node: {
            extensions: [".ts", ".tsx"],
          },
          typescript: {
            alwaysTryTypes: true,
          },
        },
      },
      extends: [
        "plugin:@typescript-eslint/strict-type-checked",
        "plugin:@typescript-eslint/stylistic-type-checked",
        "plugin:import/recommended",
        "plugin:import/typescript",
      ],
      rules: {
        "@typescript-eslint/no-unnecessary-type-assertion": "warn",
        "@typescript-eslint/no-explicit-any": "warn",
        "@typescript-eslint/no-inferrable-types": "off",
        "prefer-const": "warn",
        "prefer-promise-reject-errors": "off",
        "@typescript-eslint/prefer-promise-reject-errors": "warn",
        "@typescript-eslint/no-redundant-type-constituents": "warn",
        "no-throw-literal": "off",
        // We have to wait for https://github.com/typescript-eslint/typescript-eslint/issues/6226
        // Then we could specify to only allow Error (this works already) & Response on server (this does not work yet, but recommended by Remix)
        "@typescript-eslint/only-throw-error": [
          "off",
          { allowThrowingAny: false, allowThrowingUnknown: false },
        ],
        "@typescript-eslint/consistent-type-definitions": ["warn", "type"],
        "@typescript-eslint/no-unnecessary-condition": "warn",
        "@typescript-eslint/no-unsafe-member-access": "warn",
        "@typescript-eslint/no-base-to-string": "warn",
        "@typescript-eslint/no-unused-vars": [
          "warn",
          {
            "args": "all",
            "argsIgnorePattern": "^_",
            "caughtErrors": "all",
            "caughtErrorsIgnorePattern": "^_",
            "destructuredArrayIgnorePattern": "^_",
            "varsIgnorePattern": "^_",
            "ignoreRestSiblings": true
          }
        ],
        "@typescript-eslint/restrict-template-expressions": "warn",
        "dot-notation": "off",
        "@typescript-eslint/dot-notation": "warn",
        "@typescript-eslint/no-confusing-void-expression": "warn",
      }
    },

    // Node
    {
      files: [".eslintrc.js"],
      env: {
        node: true,
      },
    },
  ],
};