.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "sourceType": "module"
    },
    "globals": {
        "PERT": true,
        "DataStore": true
    },
    "rules": {
        "indent": ["error", 4, {"SwitchCase": 1}],
        "linebreak-style": ["error", "unix"],
        "quotes": ["error", "single"],
        "semi": ["error", "always"],
        "camelcase": "error",
        "valid-jsdoc": ["error", {
            "prefer": {"return": "returns", "arg": "param", "argument": "param", "virtual": "abstract"},
            "preferType": {"boolean": "Boolean", "number": "Number", "object": "Object", "string": "String"},
            "requireParamDescription": false,
            "requireReturnDescription": false,
            "requireReturn": false
        }],
        "class-methods-use-this": "error",
        "curly": ["error", "all"],
        "eqeqeq": ["error", "always"],
        "no-multi-spaces": "error",
        "comma-dangle": ["error", "never"],
        "comma-spacing": ["error", {"before": false, "after": true}],
        "comma-style": ["error", "last"],
        "computed-property-spacing": ["error", "never"],
        "eol-last": ["error", "always"],
        "func-call-spacing": ["error", "never"],
        "key-spacing": ["error", {"beforeColon": false, "afterColon": true}],
        "keyword-spacing": ["error", {"before": true, "after": true}],
        "array-bracket-spacing": ["error", "never"],
        "no-multiple-empty-lines": ["error", {"max": 1}],
        "max-len": ["error", {"code": 120, "comments": 80}],
        "max-statements-per-line": "error",
        "new-parens": "error",
        "no-trailing-spaces": "error",
        "no-whitespace-before-property": "error",
        "object-curly-newline": ["error", {"multiline": true}],
        "object-curly-spacing": ["error", "never"],
        "space-before-blocks": ["error", "always"],
        "space-before-function-paren": ["error", "never"],
        "space-in-parens": ["error", "never"],
        "space-unary-ops": ["error", {"words": true, "nonwords": false}],
        "arrow-body-style": ["error", "as-needed"],
        "arrow-parens": ["error", "as-needed"],
        "arrow-spacing": ["error", {"before": true, "after": true}],
        "no-duplicate-imports": ["error", {"includeExports": true}],
        "no-useless-computed-key": "error",
        "no-useless-constructor": "error",
        "no-var": "error",
        "prefer-const": "error",
        "prefer-rest-params": "error",
        "prefer-spread": "error",
        "prefer-template": "error"
    }
}