.eslintrc.json

{
    "env": {
        "node": true,
        "jest": true
    },
    "parser": "@typescript-eslint/parser",
    "extends": [
        "@zeplin/eslint-config/node",
        "plugin:@typescript-eslint/recommended"
    ],
    "settings": {
        "import/resolver": {
            "typescript": {},
            "node": {
                "extensions": [".ts"],
                "paths": ["src"]
            }
        }
    },
    "parserOptions": {
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "rules": {
        "func-style": [
            "error",
            "declaration",
            {
                "allowArrowFunctions": false
            }
        ],
        "no-undefined": "off",
        "no-magic-numbers": "off",
        "handle-callback-err": "off",
        "no-shadow": "off", // @typescript-eslint/recommended have it
        "no-unused-vars": "off", // @typescript-eslint/recommended have it
        "no-console": "error",
        "valid-jsdoc": "off",
        "class-methods-use-this": "off",
        "no-invalid-this": "off",
        "@typescript-eslint/no-invalid-this": "error",
        "@typescript-eslint/no-for-in-array": "error",
        "@typescript-eslint/naming-convention": [
            "error",
            {
                "selector": "interface",
                "format": ["PascalCase"],
                "custom": {
                    "regex": "^I[A-Z]",
                    "match": false
                }
            }
        ],
        "@typescript-eslint/no-magic-numbers": ["warn", { "ignore": [-1, 0, 1], "ignoreEnums": true }],
        "@typescript-eslint/no-unused-vars": "error"
    }
}