.eslintrc

{
  //0 - turn the rule off
  //1 - turn the rule on as a warning (doesn't affect exit code)
  //2 - turn the rule on as an error (exit code is 1 when triggered)

  "rules": {
    //Possible Errors
    "comma-dangle": [2, "never"],
    "no-cond-assign": [2, "always"],
    "no-console": 1,
    "no-constant-condition": 2,
    "no-debugger": 2,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-empty": 2,
    "no-ex-assign": 2,
    "no-extra-boolean-cast": 1,
    "no-extra-parens": 1,
    "no-extra-semi": 2,
    "no-inner-declarations": 2,
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-obj-calls": 2,
    "no-regex-spaces": 1,
    "no-sparse-arrays": 2,
    "no-unreachable": 2,
    "use-isnan": 1,
    "valid-typeof": 2,

    //
    "block-scoped-var": 2,
    "consistent-return": 2,
    "curly": [2, "all"],
    "dot-notation": [2, {"allowKeywords": true}],
    "dot-location": [2, "property"],
    "eqeqeq": 2,
    "no-alert": 2,
    "no-caller": 2,
    "no-else-return": 2,
    "no-eq-null": 2,
    "no-eval": 2,
    "no-extra-bind": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-implied-eval": 2,
    "no-lone-blocks": 2,
    "no-multi-spaces": 2,
    "no-native-reassign": 2,
    "no-new-func": 2,
    "no-new": 2,
    "no-octal": 1,
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-self-compare": 2,
    "no-throw-literal": 2,
    "no-underscore-dangle": 0,
    "no-void": 2,
    "no-with": 2,
    "wrap-iife": [2, "any"],

    //
    "no-multi-str": 0,
    "no-delete-var": 2,
    "no-shadow":  1,
    "no-shadow-restricted-names": 2,
    "no-undef-init": 2,
    "no-undef": 2,
    "no-unused-vars": [2, {"vars": "all", "args": "after-used"}],
    "no-use-before-define": 0,

    //
    "brace-style": [2, "stroustrup"],
    "camelcase": 2,
    "comma-spacing": [2, {"before": false, "after": true}],
    "comma-style": [2, "last"],
    //"computed-property-spacing": [2, "always"],
    "consistent-this": [2, "self"],
    "eol-last": 0,
    "func-names": 0,
    "indent": [2, 2, {"SwitchCase": 1}],
    "key-spacing": [2, {"beforeColon": false, "afterColon":  true}],
    "linebreak-style": [2, "windows"],
    "new-cap": [ 2, { "newIsCap": false, "capIsNew": false } ],
    "new-parens": 2,
    "no-array-constructor": 1,
    "no-lonely-if": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-multiple-empty-lines":  [2, {"max": 1}],
    "no-nested-ternary": 2,
    "no-new-object": 1,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-unneeded-ternary": 2,
    "operator-linebreak": [2, "after"],
    "quotes":  [2, "double", "avoid-escape"],
    "semi": [2, "always"],
    "space-after-keywords": [2, "always"],
    "space-before-blocks": [2, "always"],
    "space-before-function-paren": [2, {"anonymous": "always", "named": "never"}],
    "space-in-parens": [2, "never"],
    "space-infix-ops": [2, {"int32Hint": true}],
    "space-return-throw-case": 2,
    "space-unary-ops": [2, {"words": true}],

    //
    "strict": [2, "function"]
  }
}