.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "sonarjs", "import", "promise"],
  "env": {
    "node": true
  },
  "extends": [
    "eslint:all",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:sonarjs/recommended",
    "plugin:import/recommended",
    "plugin:import/typescript",
    "plugin:promise/recommended",
    "prettier"
  ],
  "rules": {
    "no-undefined": "off",
    "eqeqeq": ["error"],
    "camelcase": "off",
    "no-ternary": "off",
    "no-nested-ternary": "off",
    "one-var": "off",
    "id-length": "off",
    "sort-keys": "off",
    "sort-vars": "off",
    "no-magic-numbers": "off",
    "spaced-comment": ["error", "always", {"exceptions": ["-"], "markers": ["/"]}],
    "arrow-parens": ["error", "as-needed"],
    "arrow-body-style": ["error", "as-needed"],
    "prefer-destructuring": ["error", {"AssignmentExpression": {"array": false}}],
    "no-multiple-empty-lines": ["error", {"max": 1, "maxEOF": 0, "maxBOF": 0}],
    "quotes": ["error", "single", {"avoidEscape": true, "allowTemplateLiterals": true}],
    "linebreak-style": ["error", "unix"],
    "eol-last": ["error", "always"],
    "comma-dangle": ["error", "never"],
    "semi": ["error", "always"],
    "max-len": ["error", {"code": 120, "ignoreComments": true, "ignoreTrailingComments": true}],
    "sort-imports": ["error", {"ignoreCase": true, "ignoreDeclarationSort": true}],
    "import/order": [
      "error",
      {
        "groups": ["builtin", "external", "internal", ["parent", "sibling"]],
        "newlines-between": "always",
        "alphabetize": {"order": "asc", "caseInsensitive": false}
      }
    ],
    "@typescript-eslint/no-unused-vars": ["error"],
    "sonarjs/no-duplicate-string": ["error", 5],
    "sonarjs/cognitive-complexity": ["error", 20],
    "promise/catch-or-return": ["error", {"allowFinally": true}],
    "require-await": "off"
  },
  "settings": {
    "import/resolver": {"node": {"extensions": [".ts", ".tsx"]}, "typescript": {}}
  },
  "overrides": [
    {
      "files": ["test/**"],
      "rules": {
        "sonarjs/no-duplicate-string": "off",
        "max-lines-per-function": "off",
        "max-statements": "off"
      }
    }
  ]
}