.eslintrc.json

{
  "env": {
    "node": true,
    "es6": true,
    "mocha": true
  },
  "plugins": ["import", "prettier", "@typescript-eslint", "promise"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "project": "tsconfig.eslint.json"
  },
  "extends": [
    "airbnb-base",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/typescript",
    "plugin:prettier/recommended",
    "prettier/@typescript-eslint"
  ],
  "ignorePatterns": ["*.d.ts"],
  "rules": {
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/no-floating-promises": "error",
    "@typescript-eslint/no-parameter-properties": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      { "ignoreRestSiblings": true, "args": "none" }
    ],
    "@typescript-eslint/no-useless-constructor": "error",
    "array-callback-return": "off",
    "class-methods-use-this": "off",
    "consistent-return": "off",
    "eqeqeq": "error",
    "import/extensions": ["error", "ignorePackages", { "ts": "never" }],
    "import/no-extraneous-dependencies": "error",
    "import/no-unresolved": "off",
    "import/prefer-default-export": "off",
    "max-classes-per-file": "off",
    "no-console": "warn",
    "no-empty": ["error", { "allowEmptyCatch": true }],
    "no-plusplus": "off",
    "no-restricted-syntax": "off",
    "no-useless-constructor": "off",
    "no-var": "error",
    "prettier/prettier": "warn",
    "promise/always-return": "error",
    "promise/avoid-new": "error",
    "promise/catch-or-return": "error",
    "promise/no-callback-in-promise": "error",
    "promise/no-native": "off",
    "promise/no-nesting": "error",
    "promise/no-new-statics": "error",
    "promise/no-promise-in-callback": "error",
    "promise/no-return-in-finally": "error",
    "promise/no-return-wrap": "error",
    "promise/param-names": "error",
    "promise/prefer-await-to-callbacks": "error",
    "promise/prefer-await-to-then": "error",
    "promise/valid-params": "error",
    "radix": "off"
  },
  "overrides": [
    {
      "files": ["**/*.spec.ts"],
      "rules": {
        "import/no-extraneous-dependencies": "off"
      }
    }
  ]
}