.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "plugins": [
    "@typescript-eslint",
    "import"
  ],
  "parserOptions": {
    "project": "./tsconfig.json"
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended"
  ],
  "rules": {
    "prettier/prettier": "warn",
    "curly": "error",
    "eqeqeq": [
      "error",
      "smart"
    ],
    "no-lonely-if": "error",
    "no-var": "error",
    "no-multiple-empty-lines": [
      "error",
      {
        "max": 1,
        "maxBOF": 0
      }
    ],
    "prefer-const": [
      "error",
      {
        "destructuring": "all"
      }
    ],
    "arrow-body-style": [
      "error",
      "as-needed"
    ],
    "quotes": [
      "error",
      "single",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": false
      }
    ],
    "no-console": [
      "warn",
      {
        "allow": [
          "warn",
          "error"
        ]
      }
    ],
    "semi": [
      "error",
      "always"
    ],
    "prefer-arrow-callback": "error",
    "object-shorthand": "error",
    "no-shadow": [
      "error",
      {
        "builtinGlobals": false
      }
    ],
    "spaced-comment": [
      "error",
      "always"
    ],
    "no-nested-ternary": "error",
    "array-callback-return": [
      "error",
      {
        "allowImplicit": true,
        "checkForEach": true
      }
    ],
    "func-style": [
      "error",
      "expression"
    ],
    "eol-last": [
      "error",
      "always"
    ],
    "no-use-before-define": "off",
    "newline-before-return": "warn",
    "sort-imports": [
      "error",
      {
        "ignoreDeclarationSort": true
      }
    ],
    "no-undef": "off",
    "no-redeclare": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "varsIgnorePattern": "^_",
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/no-use-before-define": [
      "error"
    ],
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/member-delimiter-style": "warn",
    "import/no-duplicates": "error",
    "import/first": "error",
    "import/default": "error",
    "import/no-named-as-default-member": "warn",
    "import/no-named-default": "error",
    "import/newline-after-import": "warn",
    "import/order": [
      "error",
      {
        "groups": [
          "builtin",
          "external",
          "type",
          "internal",
          "parent",
          "sibling",
          "index"
        ],
        "distinctGroup": true,
        "newlines-between": "always",
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        }
      }
    ]
  }
}