tslint.json

{
    "defaultSeverity": "warning",
    "extends": [
        "tslint:recommended"
    ],
    "jsRules": {},
    "rules": {
        "variable-name": [true,
            "check-format",
            "allow-leading-underscore"
        ],
        "trailing-comma": [false]
    },
    "rulesDirectory": []
}