.eslintrc.json

{
    "root": true,
    "env": {
        "browser": false,
        "node": true,
        "es2021": true,
        "jest": true
    },
    "extends": [
        "plugin:@typescript-eslint/recommended",
        "airbnb-base",
        "plugin:editorconfig/noconflict",
        "plugin:mocha/recommended",
        "airbnb-typescript/base"
    ],
    "parser": "@typescript-eslint/parser",
    "overrides": [
        {
        "files": ["*.ts"]
        }
    ],
    "parserOptions": {
        "ecmaVersion": 2019,
        "sourceType": "module",
        "project": "./tsconfig.json"
    },
    "plugins": ["@typescript-eslint", "sonarjs", "editorconfig", "mocha"],
    "rules": {
        "no-underscore-dangle": "off",
        "class-methods-use-this": [false],
        "no-console": "off",
        "camelcase": "warn",
        "arrow-parens": [2, "always"],
        "quotes": [2, "single"],
        "implicit-arrow-linebreak": "off",
        "consistent-return": "off",
        "no-unused-vars": [
        "error",
        {
            "argsIgnorePattern": "^_",
            "ignoreRestSiblings": true
        }
        ],
        "@typescript-eslint/no-unused-vars": [
            "error",
            {
                "argsIgnorePattern": "^_",
                "ignoreRestSiblings": true
            }
        ],
        "object-curly-newline": "off",
        "max-params": ["error", 4],
        "max-lines": ["error", 250],
        "max-lines-per-function": [
        "error",
        {
            "max": 20,
            "skipBlankLines": true,
            "skipComments": true
        }
        ],
        "max-len": [
        "error",
        {
            "code": 100
        },
        {
            "ignoreComments": true
        }
        ],
        "complexity": ["error", 5],
        "import/no-extraneous-dependencies": ["off"],
        "sonarjs/cognitive-complexity": ["error", 5],
        "sonarjs/no-one-iteration-loop": ["error"],
        "sonarjs/no-identical-expressions": ["error"],
        "sonarjs/no-use-of-empty-return-value": ["error"],
        "sonarjs/no-extra-arguments": ["error"],
        "sonarjs/no-identical-conditions": ["error"],
        "sonarjs/no-collapsible-if": ["error"],
        "sonarjs/no-collection-size-mischeck": ["error"],
        "sonarjs/no-duplicate-string": ["error"],
        "sonarjs/no-duplicated-branches": ["error"],
        "sonarjs/no-identical-functions": ["error"],
        "sonarjs/no-redundant-boolean": ["error"],
        "sonarjs/no-unused-collection": ["error"],
        "sonarjs/no-useless-catch": ["error"],
        "sonarjs/prefer-object-literal": ["error"],
        "sonarjs/prefer-single-boolean-return": ["error"],
        "sonarjs/no-inverted-boolean-check": ["error"],
        "lines-between-class-members": "off",
        "@typescript-eslint/lines-between-class-members": ["off"]
    }
}