eslint.config.mjs

// eslint-disable-next-line strict
import { FlatCompat } from "@eslint/eslintrc";
import js from "@eslint/js";
import tsParser from "@typescript-eslint/parser";
import globals from "globals";

const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
});

export default [
  ...compat.extends("eslint:recommended", "plugin:prettier/recommended", "prettier"),
  {
    files: ["**/*.ts", "**/*.tsx"],
    ignores: [
      "**/node_modules",
      "**/.eslintrc*",
      "**/artifacts",
      "**/cache",
      "**/constants",
      "**/coverage",
      "lib/murky",
      "lib/openzeppelin-contracts",
      "typechain-types/*",
    ],
  },
  {
    plugins: {
      mocha,
      prettier,
    },

    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
        ...globals.mocha,
        ...globals.jest,
        artifacts: false,
        contract: false,
        assert: false,
        web3: false,
        usePlugin: false,
        extendEnvironment: false,
      },

      parser: tsParser,
      ecmaVersion: 2020,
      sourceType: "commonjs",
    },

    rules: {
      strict: ["error", "global"],
      "array-bracket-spacing": ["off"],

      camelcase: [
        "error",
        {
          properties: "always",
        },
      ],

      "comma-dangle": ["error", "always-multiline"],

      "comma-spacing": [
        "error",
        {
          before: false,
          after: true,
        },
      ],

      "dot-notation": [
        "error",
        {
          allowKeywords: true,
          allowPattern: "",
        },
      ],

      "eol-last": ["error", "always"],
      eqeqeq: ["error", "smart"],
      "generator-star-spacing": ["error", "before"],
      indent: ["error", 2],
      "linebreak-style": ["error", "unix"],
      "max-len": ["error", 120, 2],
      "no-debugger": "off",
      "no-dupe-args": "error",
      "no-dupe-keys": "error",
      "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],

      "no-redeclare": [
        "error",
        {
          builtinGlobals: true,
        },
      ],

      "no-trailing-spaces": [
        "error",
        {
          skipBlankLines: false,
        },
      ],

      "no-undef": "error",
      "no-use-before-define": "off",
      "no-var": "error",
      "object-curly-spacing": "off",
      "prefer-const": "error",
      quotes: "off",
      semi: ["error", "always"],
      "space-before-function-paren": "off",
      "mocha/no-exclusive-tests": ["error"],
      "promise/always-return": "off",
      "promise/avoid-new": "off",
    },
  },
];