To be used in projects, Sublime Text, VIM etc.

.eslintrc

{
  "parser": "babel-eslint",
  "ecmaFeatures": {
    "jsx": true,
    "modules": true,
    "classes": true,
    "generators": true,
    "experimentalObjectRestSpread": true
  },

  "rules": {
    "indent": [1, 2],
    "quotes": [1, "single"],
    "linebreak-style": [1, "unix"],
    "semi": [1, "always"],

    "no-console": 0, // off since we strp them in production
    "no-dupe-keys": 2,
    "key-spacing": 1,

    "strict": 0,

    // let's leave to off for now
    "no-underscore-dangle": 0,

    "no-lonely-if": 1,
    "no-mixed-spaces-and-tabs":  [1, "smart-tabs"],
    "keyword-spacing": [1, {"before": true, "after": true, "overrides": {}}],
    "eol-last": 1,
    "no-nested-ternary": 1,
    "no-new-object": 1,
    "no-spaced-func": 1,

    "no-ternary": 0,
    "wrap-regex": 0,

    "comma-dangle": 2,
    "no-cond-assign": [2, "except-parens"],
    "no-constant-condition": 2,
    "no-control-regex": 1,
    "no-debugger": 1,
    "no-dupe-args": 2,
    "no-duplicate-case": 2,
    "no-empty-character-class": 2,
    "no-empty": 2,
    "no-ex-assign": 2,
    "no-extra-boolean-cast": 2,

    "no-extra-parens": 1,

    "no-extra-semi": 2,
    "no-extra-bind": 1,
    "no-func-assign": 2,
    "no-inner-declarations": 2,
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-negated-in-lhs": 2,
    "no-obj-calls": 2,
    "no-regex-spaces": 2,
    "no-sparse-arrays": 2,
    "no-unreachable": 2,
    "no-unused-expressions": 1,
    "no-unused-vars": 1,
    //"no-use-before-define": 1,
    "use-isnan": 1,
    "valid-jsdoc": 1,
    "valid-typeof": 2,
    "no-unexpected-multiline": 2,
    "complexity": 0,

    "accessor-pairs": 1,
    "block-scoped-var": 1,
    "dot-notation": 1,
    "dot-location": [1, "property"],
    "eqeqeq": [1, "smart"],
    "guard-for-in": 1,
    "no-div-regex": 1,
    "consistent-return": 1,
    "curly": 1,
    "default-case": 1,
    "no-caller": 1,
    "no-labels": 1,
    "no-eq-null": 1,
    "no-extend-native": 1,
    "no-multi-str": 1,
    "no-native-reassign": 1,
    "no-new-func": 1,
    "no-new-wrappers": 1,
    // This could cause some confusion when used with new-cap, e.g new AutoComplete ..
    "no-new": 0,
    "no-octal-escape": 1,
    "no-octal": 1,
    "no-proto": 1,
    "no-redeclare": 1,

    // Not for now
    // we need it in case of, say, ref={ref => this.lala = ref}
    "no-return-assign": 0,

    "no-script-url": 1,
    "no-self-compare": 1,
    "no-sequences": 1,
    "no-throw-literal": 1,
    "no-useless-call": 1,
    "no-useless-concat": 1,
    "no-void": 1,
    "no-with": 1,
    "vars-on-top": 1,
    "wrap-iife": 1,
    "yoda": [1, "never"],

    "no-catch-shadow": 1,
    "no-delete-var": 1,
    "no-label-var": 1,
    "no-shadow-restricted-names": 1,
    "no-shadow": 1,

    // Not for now
    "no-undefined": 0,

    "callback-return": 1,
    "handle-callback-err": 1,
    "no-new-require": 1,
    "no-path-concat": 1,
    "no-process-exit": 1,
    "no-sync": 1,

    "generator-star-spacing": [1, {"before": false, "after": true}],
    "prefer-reflect": 1,

    "new-parens": 1,
    "new-cap": [1, { "capIsNewExceptions": [ "SVGIcon", "SVGIconAsHTML", "SVGIconUri", "SVGIconAsJSX", "Modal"] }],

    "no-eval": 2,
    "no-fallthrough": 1,
    "no-floating-decimal": 1,
    "no-implied-eval": 2,
    "no-iterator": 1,
    "no-lone-blocks": 1,
    "no-loop-func": 1,
    "no-multi-spaces": 1,
    "no-undef": 2,

    "jsx-quotes": [2, "prefer-double"],
    "react/jsx-sort-prop-types": 0,

    "no-useless-escape": 1,
    "max-statements-per-line" : ["warn", { "max": 1 }],
    "no-duplicate-imports" : 1,

    "react/jsx-uses-react": 1,
    "react/jsx-uses-vars": 1,
    "react/jsx-space-before-closing": 1,
    "react/no-danger": 1,
    "react/no-did-mount-set-state": 1,
    "react/no-did-update-set-state": 1,
    "react/no-direct-mutation-state": 1,
    "react/no-is-mounted": 1,
    "react/prefer-es6-class": [1, "always"],
    "react/prefer-stateless-function": 1,
    "react/forbid-prop-types": [1, { "forbid": ["any"] }],
    "react/no-deprecated": [1],
    "react/jsx-boolean-value": 1,
    "react/jsx-curly-spacing": 1,
    "react/jsx-equals-spacing": 1,
    "react/jsx-no-duplicate-props": 1,
    "react/jsx-indent": [1, 2],
    "react/jsx-key": 1,
    "react/jsx-max-props-per-line": [1, { "maximum": 2 }],
    "react/jsx-no-undef": 1,
    "react/jsx-pascal-case": 1,

    "react/no-unknown-property": 1,
    "react/prop-types": 1,
    "react/react-in-jsx-scope": 2,
    "react/require-extension": 1,
    "react/self-closing-comp": 1,
    "react/sort-comp": 1,
    "react/wrap-multilines": 1,

    "max-len": [1, { "code": 120, "ignoreUrls": true, "tabWidth": 2, "ignoreTrailingComments": true }],

    "array-bracket-spacing": 1,
    "block-spacing": [1, "always"],
    "brace-style": [1, "1tbs", { "allowSingleLine": true }],
    "camelcase": [1, {"properties": "always"}],
    "computed-property-spacing": [1, "never"],
    "consistent-this": [1, "that", "self"],
    "no-multiple-empty-lines": [1, {"max": 1, "maxEOF": 1}],
    "no-trailing-spaces": 1,
    "no-unneeded-ternary": 1,
    "no-whitespace-before-property": 1,
    "object-curly-spacing": [1, "always"],
    "operator-linebreak": [1, "before"],

// not for now
// TODO: Enable it later
    "padded-blocks": [0, "never"],


    "quote-props": [1, "as-needed"],
    "space-before-blocks": 1,
    "space-before-function-paren": 1,
    "space-infix-ops": [1, {"int32Hint": false}],
    "spaced-comment": [1, "always"],

    // es6
    "arrow-parens": [1, "as-needed"],
    "arrow-spacing": 1,
    "constructor-super": 1,
    "no-class-assign": 1,
    "no-confusing-arrow": 1,
    "no-const-assign": 1,
    "no-dupe-class-members": 1,
    "no-new-symbol": 1,
    "no-this-before-super": 1,
    "no-useless-constructor": 1,
    "no-var": 1,
    "object-shorthand": 1,
    "prefer-arrow-callback": 1,
    "prefer-const": 1,

    // This could cause some issues
    // off for now
    "prefer-rest-params": 0,

    "prefer-spread": 1,
    "prefer-template": 1,
    "require-yield": 1,
    "template-curly-spacing": [1, "never"],
    "yield-star-spacing": [1, "after"],

    "import/named": 1,
    "import/namespace": 0, // not working okay yet
    "import/default": 1,
    "import/export": 1,
  },

  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },

  "plugins": [
    "react",
    "import"
  ]
}

Also needed if you run eslint globally

npm install -g eslint
npm install -g babel-eslint
npm install -g eslint-plugin-react
npm install -g eslint-plugin-import
npm install -g eslint-config-phaistos-networks

In case errors come up, try

npm update -g