.eslintrc.json

{
    // nach https://phaser.io/phaser3/contributing/index
    "root": true,
    "env": {
        "browser": true,
        "es6": true,
        "commonjs": true
    },
    "plugins": ["es5", "@typescript-eslint", "react"],
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:react/recommended"
    ],
    "globals": {
        "WEBGL_RENDERER": true,
        "CANVAS_RENDERER": true,
        "Phaser": true,
        "process": true,
        "ActiveXObject": true,
        "FBInstant": true
    },
    "settings": {
        // https://github.com/yannickcr/eslint-plugin-react
        "react": {
            "createClass": "createReactClass", // Regex for Component Factory to use,
            // default to "createReactClass"
            "pragma": "React", // Pragma to use, default to "React"
            "fragment": "React.Fragment", // Fragment to use, default to "React.Fragment"
            "version": "detect", // React version. "detect" automatically picks the version you have installed.
            // You can also use `16.0`, `16.3`, etc, if you want to override the detected value.
            // default to latest and warns if missing
            // It will default to "detect" in the future
            "flowVersion": "0.53" // Flow version
        },
        "propWrapperFunctions": [
            // The names of any function used to wrap propTypes, e.g. `forbidExtraProps`. If this isn't set, any propTypes wrapped in a function will be skipped.
            "forbidExtraProps",
            { "property": "freeze", "object": "Object" },
            { "property": "myFavoriteWrapper" }
        ],
        "linkComponents": [
            // Components used as alternatives to <a> for linking, eg. <Link to={ url } />
            "Hyperlink",
            { "name": "Link", "linkAttribute": "to" }
        ]
    },
    "rules": {
        "es5/no-arrow-functions": 2,
        "es5/no-binary-and-octal-literals": 2,
        "es5/no-block-scoping": 2,
        "es5/no-classes": 2,
        "es5/no-computed-properties": 2,
        "es5/no-default-parameters": 2,
        "es5/no-destructuring": 2,
        "es5/no-es6-static-methods": 2,
        "es5/no-for-of": 2,
        "es5/no-generators": 2,
        "es5/no-modules": 2,
        "es5/no-object-super": 2,
        "es5/no-rest-parameters": 2,
        "es5/no-shorthand-properties": 2,
        "es5/no-spread": 2,
        "es5/no-template-literals": 2,
        "es5/no-typeof-symbol": 2,
        "es5/no-unicode-code-point-escape": 2,
        "es5/no-unicode-regex": 2,

        "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", "allman", { "allowSingleLine": true }],
        "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 }],
        "keyword-spacing": ["error", { "after": 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-constant-condition": 0,
        "no-array-constructor": "error",
        "no-lonely-if": "error",
        "no-mixed-spaces-and-tabs": "error",
        "no-plusplus": "off",
        "no-prototype-builtins": "off",
        "no-trailing-spaces": [
            "error",
            { "skipBlankLines": true, "ignoreComments": true }
        ],
        "no-underscore-dangle": "off",
        "no-whitespace-before-property": "error",
        "object-curly-newline": [
            "error",
            { "multiline": true, "minProperties": 0, "consistent": true }
        ],
        "one-var-declaration-per-line": ["error", "initializations"],
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "single"],
        "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": ["*", "!"] } }
        ]
    }
}