.eslintrc

{
    "parserOptions": {
        "ecmaVersion": 6,
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        },
        "sourceType": "module"
    },
    "extends": [
        "eslint:recommended",
        "plugin:flowtype/recommended"
    ],
    "parser": "babel-eslint",
    "plugins": [
        "standard",
        "promise",
        "flowtype"
    ],
    "env": {
        "es6": true,
        "node": true,
        "browser": true,
        "webextensions": true
    },
    "globals": {

    },
    "rules": {
        "flowtype/define-flow-type": 1,
        "flowtype/use-flow-type": 1,
        "flowtype/object-type-delimiter": [
            2,
            "comma"
        ],
        "flowtype/delimiter-dangle": [
            2,
            "always-multiline"
        ],
        "comma-dangle": [2, "always-multiline"],
        "no-unused-vars": [2, {
            "args": "none",
            "vars": "all"
        }],
        "no-console": 0,
        "quotes": [2, "single", "avoid-escape"],
        "linebreak-style": [
            2,
            "unix"
        ],
        "semi": [
            2,
            "always"
        ],
        "accessor-pairs": 2,
        "arrow-spacing": [2, { "before": true, "after": true }],
        "block-spacing": [2, "always"],
        "brace-style": [2, "1tbs", { "allowSingleLine": true }],
        "comma-spacing": [2, { "before": false, "after": true }],
        "comma-style": [2, "last"],
        "constructor-super": 2,
        "curly": [2, "multi-line"],
        "dot-location": [2, "property"],
        "eol-last": 2,
        "eqeqeq": [2, "allow-null"],
        "generator-star-spacing": [2, { "before": true, "after": true }],
        "handle-callback-err": [2, "^(err|error)$" ],
        "indent": [2, 4, { "SwitchCase": 1 }],
        "jsx-quotes": [2, "prefer-single"],
        "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
        "keyword-spacing": [2, {"before": true, "after": true}],
        "new-cap": [2, { "newIsCap": true, "capIsNew": false }],
        "new-parens": 2,
        "no-array-constructor": 2,
        "no-caller": 2,
        "no-class-assign": 2,
        "no-cond-assign": 2,
        "no-const-assign": 2,
        "no-control-regex": 2,
        "no-debugger": 2,
        "no-delete-var": 2,
        "no-dupe-args": 2,
        "no-dupe-class-members": 2,
        "no-dupe-keys": 2,
        "no-duplicate-case": 2,
        "no-empty-character-class": 2,
        "no-empty-pattern": 2,
        "no-eval": 2,
        "no-ex-assign": 2,
        "no-extend-native": 2,
        "no-extra-bind": 2,
        "no-extra-boolean-cast": 2,
        "no-extra-parens": [2, "functions"],
        "no-fallthrough": 2,
        "no-floating-decimal": 2,
        "no-func-assign": 2,
        "no-implied-eval": 2,
        "no-inner-declarations": [2, "functions"],
        "no-invalid-regexp": 2,
        "no-irregular-whitespace": 2,
        "no-iterator": 2,
        "no-label-var": 2,
        "no-labels": 2,
        "no-lone-blocks": 2,
        "no-mixed-spaces-and-tabs": 2,
        "no-multi-spaces": 2,
        "no-multi-str": 2,
        "no-multiple-empty-lines": [2, { "max": 1 }],
        "no-native-reassign": 2,
        "no-negated-in-lhs": 2,
        "no-new": 2,
        "no-new-func": 2,
        "no-new-object": 2,
        "no-new-require": 2,
        "no-new-wrappers": 2,
        "no-obj-calls": 2,
        "no-octal": 2,
        "no-octal-escape": 2,
        "no-path-concat": 2,
        "no-proto": 2,
        "no-redeclare": 2,
        "no-regex-spaces": 2,
        "no-return-assign": [2, "except-parens"],
        "no-self-compare": 2,
        "no-sequences": 2,
        "no-shadow-restricted-names": 2,
        "no-spaced-func": 2,
        "no-sparse-arrays": 2,
        "no-this-before-super": 2,
        "no-throw-literal": 2,
        "no-trailing-spaces": 2,
        "no-undef": 2,
        "no-undef-init": 2,
        "no-unexpected-multiline": 2,
        "no-unneeded-ternary": [2, { "defaultAssignment": false }],
        "no-unreachable": 2,
        "no-useless-call": 2,
        "no-use-before-define": [2, {"functions": false, "classes": false }],
        "no-var": 2,
        "no-with": 2,
        "one-var": [2, { "initialized": "never" }],
        "operator-linebreak": [2, "after", { "overrides": { "?": "before", ":": "before" } }],
        "padded-blocks": [2, "never"],
        "prefer-const": 2,
        "semi-spacing": [2, { "before": false, "after": true }],
        "space-before-blocks": [2, "always"],
        "space-before-function-paren": [2, {"anonymous": "always", "named": "never"}],
        "space-in-parens": [2, "never"],
        "space-infix-ops": 2,
        "space-unary-ops": [2, { "words": true, "nonwords": false }],
        "spaced-comment": [2, "always", { "markers": ["global", "globals", "eslint", "eslint-disable", "*package", "!", ","] }],
        "use-isnan": 2,
        "valid-typeof": 2,
        "wrap-iife": [2, "any"],
        "yoda": [2, "never"],

        "standard/object-curly-even-spacing": [2, "either"],
        "standard/array-bracket-even-spacing": [2, "either"],
        "standard/computed-property-even-spacing": [2, "even"],
        "promise/param-names": 2,
        "promise/always-return": 0
    }
}