eslint.config.js

const js = require("@eslint/js");
const prettier = require("eslint-config-prettier");
const jest = require("eslint-plugin-jest");
const globals = require("globals");

module.exports = [
  js.configs.recommended,
  prettier,
  {
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: "commonjs",
      globals: {
        ...globals.node,
      },
    },
    rules: {
      "no-unused-vars": ["error", { argsIgnorePattern: "^_" }],
    },
  },
  {
    files: ["test/**/*.js"],
    plugins: {
      jest,
    },
    languageOptions: {
      globals: jest.environments.globals.globals,
    },
    rules: {
      ...jest.configs.recommended.rules,
      "jest/expect-expect": [
        "error",
        { assertFunctionNames: ["expect", "test*"] },
      ],
    },
  },
  {
    ignores: ["node_modules/**", "coverage/**"],
  },
];