.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "rules": {
        "prefer-const": "error",
        "no-const-assign": "error",
        "no-new-object": "error",
        "object-shorthand": "error",
        "no-array-constructor": "error",
        "array-callback-return": "error",
        "prefer-template": "error",
        "template-curly-spacing": "error",
        "no-useless-escape": "error",
        "wrap-iife": "error",
        "quotes": ["error", "double"],
        "no-loop-func": "error",
        "prefer-rest-params": "error",
        "no-new-func": "error",
        "space-before-function-paren": ["error", "never"],
        "space-before-blocks": "error",
        "no-param-reassign": "error",
        "prefer-arrow-callback": "error",
        "arrow-spacing": "error",
        "arrow-parens": "error",
        "arrow-body-style": "error",
        "no-useless-constructor": "error",
        "no-dupe-class-members": "error",
        "no-iterator": "error",
        "no-restricted-syntax": "error",
        "one-var": ["error", "never"],
        "no-nested-ternary": "error",
        "no-unneeded-ternary": "error",
        "brace-style": "error",
        "indent": "error",
        "space-in-parens": "error",
        "array-bracket-spacing": "error",
        "object-curly-spacing": "error",
        "max-len": ["error", 100],
        "comma-style": ["error", "last"],
        "semi": ["error", "always"]
    }
}