eslintrc.js

module.exports = {
  env: {
    browser: false,
    es6: true,
    node: true,
  },
  parser: "@typescript-eslint/parser",
  parserOptions: {
    project: "./tsconfig.json",
    sourceType: "module",
  },
  plugins: [
    "import",
    "no-only-tests",
    "@typescript-eslint",
  ],
  rules: {
    "@typescript-eslint/adjacent-overload-signatures": "error",
    "@typescript-eslint/array-type": [
      "error",
      {
        default: "array-simple",
      },
    ],
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/consistent-type-definitions": "error",
    "@typescript-eslint/dot-notation": "error",
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {
        accessibility: "explicit",
        overrides: {
          constructors: "no-public",
        },
      },
    ],
    "@typescript-eslint/naming-convention": [
      "error",
      {
        selector: "default",
        format: ["camelCase"],
        leadingUnderscore: "allow",
        trailingUnderscore: "allow",
      },
      {
        selector: ["variable", "parameter"],
        format: ["camelCase", "UPPER_CASE", "PascalCase"],
        leadingUnderscore: "allow",
        trailingUnderscore: "allow",
      },
      {
        selector: ["classProperty"],
        format: ["camelCase", "UPPER_CASE"],
        leadingUnderscore: "allow",
      },
      {
        selector: ["classProperty"],
        modifiers: ["private"],
        format: ["camelCase", "UPPER_CASE"],
        leadingUnderscore: "require",
      },
      {
        selector: "enumMember",
        format: ["UPPER_CASE"],
      },
      {
        selector: "memberLike",
        modifiers: ["private"],
        format: ["camelCase"],
        leadingUnderscore: "require",
      },
      {
        selector: ["objectLiteralProperty"],
        format: null,
      },
      {
        selector: ["objectLiteralMethod"],
        format: ["camelCase", "PascalCase", "snake_case", "UPPER_CASE"],
        leadingUnderscore: "allow",
      },
      {
        selector: "typeProperty",
        format: ["camelCase", "PascalCase"],
        leadingUnderscore: "allow",
      },
      {
        selector: "typeLike",
        format: ["PascalCase"],
      },
      {
        selector: "typeProperty",
        filter: "__hardhatContext",
        format: null,
      },
    ],
    "@typescript-eslint/no-empty-interface": "error",
    "@typescript-eslint/no-floating-promises": "error",
    "@typescript-eslint/no-misused-new": "error",
    "@typescript-eslint/no-namespace": "error",
    "@typescript-eslint/no-redeclare": "error",
    "@typescript-eslint/no-shadow": [
      "error",
      {
        hoist: "all",
      },
    ],
    "@typescript-eslint/no-this-alias": "error",
    "@typescript-eslint/no-unused-expressions": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        argsIgnorePattern: "^_",
        varsIgnorePattern: "^_",
      },
    ],
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/prefer-function-type": "error",
    "@typescript-eslint/prefer-namespace-keyword": "error",
    "@typescript-eslint/restrict-plus-operands": "error",
    "@typescript-eslint/restrict-template-expressions": [
      "error",
      {
        allowAny: true,
      },
    ],
    "@typescript-eslint/triple-slash-reference": [
      "error",
      {
        path: "always",
        types: "prefer-import",
        lib: "always",
      },
    ],
    "@typescript-eslint/unified-signatures": "error",
    "constructor-super": "error",
    "eqeqeq": ["error", "always"],
    "guard-for-in": "error",
    "id-blacklist": "error",
    "id-match": "error",
    "import/no-extraneous-dependencies": [
      "error",
      {
        devDependencies: false,
      },
    ],
    "import/order": [
      "error",
      {
        groups: [
          "type",
          "object",
          ["builtin", "external"],
          "parent",
          "sibling",
          "index",
        ],
      },
    ],
    "import/no-default-export": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-cond-assign": "error",
    "no-debugger": "error",
    "no-duplicate-case": "error",
    "@typescript-eslint/no-duplicate-imports": "error",
    "no-eval": "error",
    "no-extra-bind": "error",
    "no-new-func": "error",
    "no-new-wrappers": "error",
    "no-only-tests/no-only-tests": "error",
    "no-return-await": "off",
    "@typescript-eslint/return-await": "error",
    "no-sequences": "error",
    "no-sparse-arrays": "error",
    "no-template-curly-in-string": "error",
    "no-throw-literal": "error",
    "no-undef-init": "error",
    "no-unsafe-finally": "error",
    "no-unused-labels": "error",
    "no-unused-vars": "off",
    "no-var": "error",
    "object-shorthand": "error",
    "one-var": ["error", "never"],
    "prefer-const": "error",
    "prefer-object-spread": "error",
    "prefer-template": "error",
    "spaced-comment": [
      "error",
      "always",
      {
        markers: ["/"],
      },
    ],
    "use-isnan": "error"
  },
};