Custom ESLint config

.eslintrc.json

{
    "extends": "eslint:recommended",
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "sourceType": "script"
    },
    "rules": {
        "curly": "warn",
        "comma-spacing": "warn",
        "brace-style": ["error", "1tbs"],
        "no-const-assign": "warn",
        "no-this-before-super": "warn",
        "no-undef": "warn",
        "no-unreachable": "warn",
        "no-unused-vars": "warn",
        "constructor-super": "warn",
        "valid-typeof": "warn",
        "quotes": ["warn", "single", "avoid-escape"],
        "space-before-blocks": "warn",
        "space-infix-ops": "error",
        "space-in-parens": ["warn", "never"],
        "keyword-spacing": "warn",
        "space-before-function-paren": "warn",
        "array-bracket-newline": [ "warn", { "multiline": true } ],
        "padding-line-between-statements": [
            "warn",
            { "blankLine": "always", "prev": "*", "next": "block-like" },
            { "blankLine": "always", "prev": "block-like", "next": "*" },
            { "blankLine": "always", "prev": "*", "next": "return" }
        ]
    },
    "globals": {
        "$": "readonly",
        "osAjaxBackend": "readonly",
        "SilkUI": "readonly",
        "jQuery": "readonly",
        "OsNotifyWidget": "readonly"
    }
}