eslint.config.mjs

import js from "@eslint/js";
import globals from "globals";
import tseslint from "typescript-eslint";
import importPlugin from "eslint-plugin-import";

export default tseslint.config({
  name: "default",
  extends: [js.configs.recommended, ...tseslint.configs.recommended],
  files: ["src/**/*.{js,ts}"],
  languageOptions: {
    ecmaVersion: 2022,
    globals: globals.node,
  },
  plugins: {
    import: importPlugin,
  },
  rules: {
    camelcase: "off",
    semi: ["warn", "always"],
    eqeqeq: ["error", "smart"],
    "array-callback-return": "error",
    "arrow-body-style": "error",
    "comma-dangle": "off",
    "default-case": "error",
    "jsx-quotes": ["error", "prefer-single"],
    "linebreak-style": ["error", "unix"],
    "no-console": "off",
    "no-mixed-spaces-and-tabs": "warn",
    "no-self-compare": "error",
    "no-underscore-dangle": "off",
    "no-use-before-define": "off",
    "no-useless-concat": "error",
    "no-var": "error",
    "no-script-url": "error",
    "no-continue": "off",
    "object-shorthand": "warn",
    "prefer-const": "warn",
    "require-await": "error",
    "sort-imports": [
      "error",
      {
        allowSeparatedGroups: true,
        ignoreCase: true,
        ignoreDeclarationSort: true,
        ignoreMemberSort: false,
        memberSyntaxSortOrder: ["none", "all", "multiple", "single"],
      },
    ],
    "sort-keys": "off",
    "valid-typeof": "error",
    "max-classes-per-file": "off",
    "no-unused-expressions": "off",
    "import/prefer-default-export": "off",
    "import/extensions": "off",
    "import/no-extraneous-dependencies": [
      "error",
      {
        devDependencies: true, // TODO: set to false once React is in the dependencies (not devDependencies)
        optionalDependencies: false,
        peerDependencies: false,
      },
    ],
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      { ignoreRestSiblings: false, caughtErrors: "none" },
    ],
    "@typescript-eslint/no-unsafe-function-type": "error",
    "@typescript-eslint/no-wrapper-object-types": "error",
    "@typescript-eslint/no-non-null-assertion": "error",
    "no-empty-function": "off",
    "@typescript-eslint/no-empty-function": "warn",
    "@typescript-eslint/no-require-imports": "off", // TODO: remove this rule once all files are .mjs (and require is not used)
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/no-empty-object-type": "off",
  },
});