tslint.json

{
    "extends": [
        "tslint-eslint-rules",
        "tslint:latest"
    ],
    "rules": {
        "space-before-function-paren": [
            true,
            {
                "anonymous": "always",
                "named": "never",
                "asyncArrow": "always"
            }
        ],
        "quotemark": [
            true,
            "single",
            "avoid-escape"
        ],
        "whitespace": [
            true,
            "check-branch",
            "check-decl",
            "check-operator",
            "check-module",
            "check-separator",
            "check-type"
        ],
        "newline-before-return": true,
        "no-duplicate-variable": true,
        "no-unused-expression": [
            true,
            "allow-fast-null-checks"
        ],
        "ter-newline-after-var": true,
        "max-line-length": [
            true,
            160
        ],
        "max-classes-per-file": false,
        "variable-name": [
            true,
            "allow-leading-underscore"
        ],
        "forin": false,
        "no-implicit-dependencies": [
            true,
            "dev"
        ],
        "only-arrow-functions": [
            false
        ]
    }
}