.eslintrc.json

{
    "extends": [
        "standard",
        "prettier"
    ],
    "plugins": [
        "prettier",
        "standard",
        "promise",
        "extra-rules",
        "ava"
    ],
    "parserOptions": {
        "ecmaVersion": 2017
    },
    "globals": {
        "$": true
    },
    "env": {
        "browser": true,
        "node": true
    },
    "rules": {
        "quotes": [
            "error",
            "double"
        ],
        "prefer-arrow-callback": [
            "error",
            {
                "allowNamedFunctions": true
            }
        ],
        "consistent-return": 2,
        "no-var": 2,
        "new-cap": 0,
        "indent": 0,
        "no-else-return": 1,
        "semi": [
            1,
            "always"
        ],
        "space-unary-ops": 2,
        "no-undef": 1,
        "no-unused-vars": 1,
        "extra-rules/no-commented-out-code": "warn",
        "space-before-function-paren": 0,
        "camelcase": 0,
        "handle-callback-err": [
            "error",
            "none"
        ],
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "prettier/prettier": "error",
        "ava/assertion-arguments": "error",
        "ava/hooks-order": "error",
        "ava/max-asserts": [
            "off",
            5
        ],
        "ava/no-async-fn-without-await": "error",
        "ava/no-cb-test": "off",
        "ava/no-duplicate-modifiers": "error",
        "ava/no-identical-title": "error",
        "ava/no-ignored-test-files": "error",
        "ava/no-import-test-files": "error",
        "ava/no-incorrect-deep-equal": "error",
        "ava/no-inline-assertions": "error",
        "ava/no-invalid-end": "error",
        "ava/no-nested-tests": "error",
        "ava/no-only-test": "error",
        "ava/no-skip-assert": "error",
        "ava/no-skip-test": "error",
        "ava/no-statement-after-end": "error",
        "ava/no-todo-implementation": "error",
        "ava/no-todo-test": "warn",
        "ava/no-unknown-modifiers": "error",
        "ava/prefer-async-await": "error",
        "ava/prefer-power-assert": "off",
        "ava/prefer-t-regex": "error",
        "ava/test-ended": "error",
        "ava/test-title": "error",
        "ava/test-title-format": "off",
        "ava/use-t": "error",
        "ava/use-t-throws-async-well": "off",
        "ava/use-t-well": "error",
        "ava/use-test": "error",
        "ava/use-true-false": "error"
    }
}