.eslintrc.json

{
    "root": true,
    "env": {
        "browser": true,
        "es6": true,
        "commonjs": true
    },
    "extends": "eslint:recommended",
    "globals": {
        "WEBGL_RENDERER": true,
        "CANVAS_RENDERER": true,
        "Phaser": true,
        "p2": true,
        "process": true,
        "ActiveXObject": true
    },
    "rules": {

        "no-cond-assign": ["error", "except-parens"],
        "no-duplicate-case": ["error"],

        "accessor-pairs": "error",
        "curly": "error",
        "eqeqeq": ["error", "smart"],
        "no-alert": "error",
        "no-caller": "error",
        "no-console": ["error", {
            "allow": ["warn", "log"]
        }],
        "no-floating-decimal": "error",
        "no-invalid-this": "error",
        "no-multi-spaces": "error",
        "no-multi-str": "error",
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-redeclare": "error",
        "no-self-assign": "error",
        "no-self-compare": "error",
        "yoda": ["error", "never"],

        "array-bracket-spacing": ["error", "always"],
        "block-spacing": ["error", "always"],
        "brace-style": ["error", "1tbs"],
        "camelcase": "error",
        "comma-dangle": ["error", "never"],
        "comma-style": ["error", "last"],
        "computed-property-spacing": ["error", "never"],
        "consistent-this": ["error", "_this"],
        "eol-last": ["error"],
        "func-call-spacing": ["error", "never"],
        "indent": ["error", 4, {
            "SwitchCase": 1
        }],
        "key-spacing": ["error", {
            "beforeColon": false,
            "afterColon": true
        }],
        "linebreak-style": ["off"],
        "lines-around-comment": ["error", {
            "beforeBlockComment": true,
            "afterBlockComment": false,
            "beforeLineComment": true,
            "afterLineComment": false,
            "allowBlockStart": true,
            "allowBlockEnd": false,
            "allowObjectStart": true,
            "allowArrayStart": true
        }],
        "new-parens": "error",
        "no-array-constructor": "error",
        "no-lonely-if": "error",
        "no-mixed-spaces-and-tabs": "error",
        "no-plusplus": "off",
        "no-trailing-spaces": ["error", {
            "skipBlankLines": true,
            "ignoreComments": true
        }],
        "no-underscore-dangle": "off",
        "no-whitespace-before-property": "error",
        "object-curly-newline": ["none", {
            "multiline": true,
            "minProperties": 1
        }],
        "one-var-declaration-per-line": ["error", "initializations"],
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "double"],
        "semi-spacing": ["error", {
            "before": false,
            "after": true
        }],
        "semi": ["error", "always"],
        "space-before-blocks": "error",
        // "space-before-function-paren": "error",
        "space-in-parens": ["error", "never"],
        "space-infix-ops": ["error", {
            "int32Hint": true
        }],
        "wrap-regex": "error",
        "spaced-comment": ["error", "always", {
            "block": {
                "balanced": true,
                "exceptions": ["*", "!"]
            }
        }]

    },
    "parserOptions": {
        "sourceType": "module"
    }
}