.eslintrc

{
  "root": true,
  "env": {
    "node": true,
    "es6": true,
    "jest": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "sourceType": "module",
    "project": "tsconfig.json",
    "ecmaFeatures": {
      "modules": true
    },
    "ecmaVersion": 2020
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier"
  ],
  "plugins": ["@typescript-eslint", "prettier"],
  "rules": {
    "consistent-return": "error",
    "constructor-super": "error",
    "curly": "error",
    "default-case": "error",
    "dot-notation": "error",
    "eqeqeq": ["error", "smart"],
    "guard-for-in": "error",
    "max-len": [1, { "code": 180, "ignoreUrls": true }],
    "no-bitwise": "error",
    "no-cond-assign": "error",
    "no-console": [
      "warn",
      {
        "allow": [
          "warn",
          "dir",
          "timeLog",
          "assert",
          "clear",
          "count",
          "countReset",
          "group",
          "groupEnd",
          "table",
          "dirxml",
          "groupCollapsed",
          "Console",
          "profile",
          "profileEnd",
          "timeStamp",
          "context"
        ]
      }
    ],
    "no-debugger": "error",
    "no-duplicate-case": "error",
    "no-duplicate-imports": "error",
    "no-empty": "error",
    "no-eval": "error",
    "no-fallthrough": "error",
    "no-invalid-this": "off",
    "no-multiple-empty-lines": "off",
    "no-new-wrappers": "error",
    "no-param-reassign": [
      "error",
      {
        "props": false
      }
    ],
    "no-redeclare": "error",
    "no-return-assign": "error",
    "no-return-await": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "off",
    "no-unsafe-finally": "error",
    "no-unused-expressions": "warn",
    "no-unused-labels": "error",
    "no-var": "error",
    "no-void": "error",
    "prefer-const": "error",
    "prettier/prettier": ["warn"],
    "radix": "error",
    "sort-imports": ["warn", { "ignoreDeclarationSort": true }],
    "spaced-comment": "error",
    "@typescript-eslint/adjacent-overload-signatures": "error",
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/explicit-function-return-type": [
      "warn",
      { "allowExpressions": true }
    ],
    "@typescript-eslint/indent": "off",
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/member-delimiter-style": [
      "off",
      {
        "multiline": {
          "delimiter": "none",
          "requireLast": true
        },
        "singleline": {
          "delimiter": "semi",
          "requireLast": false
        }
      }
    ],
    "@typescript-eslint/naming-convention": [
      "warn",
      {
        "selector": "default",
        "format": ["camelCase"],
        "leadingUnderscore": "allow",
        "trailingUnderscore": "allow"
      },
      {
        "selector": "variable",
        "format": ["camelCase", "UPPER_CASE"],
        "leadingUnderscore": "allow",
        "trailingUnderscore": "allow"
      },
      {
        "selector": "typeLike",
        "format": ["PascalCase"]
      },
      {
        "selector": "enumMember",
        "format": ["PascalCase"]
      }
    ],
    "@typescript-eslint/no-empty-function": "warn",
    "@typescript-eslint/no-empty-interface": "error",
    "@typescript-eslint/no-explicit-any": "warn",
    "@typescript-eslint/no-namespace": "error",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-shadow": ["error"],
    "@typescript-eslint/no-throw-literal": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "off",
    "@typescript-eslint/no-unused-vars": "warn",
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/promise-function-async": "error",
    "@typescript-eslint/quotes": "off",
    "@typescript-eslint/semi": ["off", null],
    "@typescript-eslint/triple-slash-reference": "error",
    "@typescript-eslint/type-annotation-spacing": "error",
    "@typescript-eslint/unified-signatures": "error"
  },
  "overrides": [
    {
      "files": ["**/*.js"],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/no-var-requires": "off"
      }
    }
  ]
}