.eslintrc.json

{
  "env": {
    "es2020": true,
    "node": true
  },
  "extends": ["airbnb-base", "prettier", "prettier/@typescript-eslint"],
  "globals": {
    "__BUILDNUM__": "readonly"
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module",
    "project": "tsconfig.json"
  },
  "plugins": ["@typescript-eslint"],
  "rules": {
    "@typescript-eslint/no-floating-promises": ["warn"],
    "@typescript-eslint/no-shadow": ["error"],
    "@typescript-eslint/no-unused-expressions": ["error"],
    "@typescript-eslint/no-unused-vars": ["error"],
    "@typescript-eslint/unbound-method": [
      "error",
      {
        "ignoreStatic": true
      }
    ],
    "arrow-parens": ["error", "always"],
    "comma-dangle": [
      "error",
      {
        "arrays": "always-multiline",
        "objects": "always-multiline",
        "imports": "always-multiline",
        "exports": "always-multiline",
        "functions": "never"
      }
    ],
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "ts": "never"
      }
    ],
    "import/prefer-default-export": "off",
    "no-bitwise": "off",
    "no-empty": "off",
    "no-fallthrough": "off",
    "no-multiple-empty-lines": "error",
    "no-restricted-syntax": "off",
    "no-shadow": "off", // Prevent conflicts with @typescript-eslint/no-shadow
    "no-underscore-dangle": "off",
    "no-unused-expressions": "off", // @typescript-eslint/no-unused-expressions used instead
    "no-void": [
      "error",
      {
        "allowAsStatement": true
      }
    ],
    "padding-line-between-statements": [
      // See docs
      "warn",
      {
        "blankLine": "always",
        "prev": "*",
        "next": "return"
      }, // return
      {
        "blankLine": "always",
        "prev": "*",
        "next": "class"
      }, // class
      {
        "blankLine": "always",
        "prev": ["const", "let", "var"],
        "next": "*"
      }, // Variable declaration
      {
        "blankLine": "any",
        "prev": ["const", "let", "var"],
        "next": ["const", "let", "var"]
      },
      {
        "blankLine": "always",
        "prev": ["case", "default"],
        "next": "*"
      }, // case in switch
      {
        "blankLine": "always",
        "prev": "*",
        "next": ["try", "switch", "for", "block-like"]
      }, // blocks (try, switch, if, while, for, {})
      {
        "blankLine": "always",
        "prev": ["try", "switch", "for", "block-like"],
        "next": "*"
      },
      {
        // Multiline
        "blankLine": "always",
        "prev": ["multiline-const", "multiline-expression", "multiline-let"],
        "next": "*"
      }
    ]
  },
  "settings": {
    "import/resolver": {
      "node": {
        "paths": ["src", "worker", "node_modules"],
        "extensions": [".js", ".json", ".ts"]
      }
    }
  }
}