.eslintrc

{
    "parser": "babel-eslint",
    //
    // Many of these rules taken from https://gist.github.com/nkbt/9efd4facb391edbf8048
    //
    "rules": {
        //
        // Errors
        //
        "comma-dangle": 2,
        "no-cond-assign": 2,
        "no-console": 1,  // disabled, will remove through webpack job
        "no-constant-condition": 2,
        "no-control-regex": 2,
        "no-debugger": 2,
        "no-dupe-args": 2,
        "no-dupe-keys": 2,
        "no-duplicate-case": 2,
        "no-empty": 2,
        "no-empty-character-class": 2,
        "no-ex-assign": 2,
        "no-extra-boolean-cast": 2,
        "no-extra-parens": 0,
        "no-extra-semi": 2,
        "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,
        "use-isnan": 2,
        "valid-typeof": 2,

        //
        // Variables
        //
        "no-catch-shadow": 2, // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
        "no-delete-var": 2, // disallow deletion of variables
        "no-label-var": 2, // disallow labels that share a name with a variable
        "no-shadow": 2, // disallow declaration of variables already declared in the outer scope
        "no-shadow-restricted-names": 2, // disallow shadowing of names such as arguments
        "no-undef": 2, // disallow use of undeclared variables unless mentioned in a /*global */ block
        "no-undef-init": 2, // disallow use of undefined when initializing variables
        "no-undefined": 2, // disallow use of undefined variable (off by default)
        "no-unused-vars": 0, // disallow declaration of variables that are not used in the code
        "no-use-before-define": 1, // disallow use of variables before they are defined

        //
        // Stylistic
        //
        "brace-style": 1,
        "comma-spacing": [1, {"before": false, "after": true}],
        "comma-style": [1, "last"],
        "indent": [1, 4],
        "key-spacing": [1, {"beforeColon": false, "afterColon": true}],
        "no-lonely-if": 1,
        "no-mixed-spaces-and-tabs": 1,
        "no-multiple-empty-lines": [1, {"max": 2}],
        "no-nested-ternary": 1,
        "quote-props": [1, "as-needed"],
        "quotes": [1, "single"],
        "keyword-spacing": 1,
        "space-before-blocks": [1, "always"],
        "space-before-function-paren": [1, {"anonymous": "never", "named": "never"}],
        "object-curly-spacing": [1, "always"],
        "space-in-parens": [1, "never"],
        "space-infix-ops": 1,
        "space-unary-ops": [1, {"words": true, "nonwords": false}],
        "spaced-comment": [1, "always"],

        //
        // ECMAScript 6
        //
        "no-var": 2,
        "generator-star-spacing": [2, "before"],

        //
        // React
        //
        "jsx-quotes": [2, "prefer-double"],
        "react/jsx-curly-spacing": [1, "never"],
        "react/jsx-max-props-per-line": [1, {"maximum": 3}],
        "react/jsx-boolean-value": 1,
        "react/jsx-no-undef": 2,
        "react/jsx-no-duplicate-props": 1,
        "react/jsx-no-literals": 0,
        "react/jsx-sort-prop-types": 0,
        "react/jsx-sort-props": 0,
        "react/jsx-indent-props": [0, 4],
        "react/jsx-uses-react": 2,
        "react/jsx-uses-vars": 2,
        "react/jsx-closing-bracket-location": [1, { "nonEmpty": "tag-aligned", "selfClosing": "after-props"}],
        "react/no-did-mount-set-state": 2,
        "react/no-did-update-set-state": 2,
        "react/no-multi-comp": [1, { "ignoreStateless": true }],
        "react/no-danger": 1,
        "react/no-unknown-property": 2,
        "react/prop-types": [2, { "ignore": ["onClick", "children", "state", "component", "defaultClasses", "className"]}],
        "react/react-in-jsx-scope": 2,
        "react/self-closing-comp": 2,
        "react/sort-comp": [2, {
            "order": [
                "lifecycle",
                "/^on.+$/",
                "rendering",
                "everything-else"
            ],
            "groups": {
                "rendering": [
                    "/^render.+$/",
                    "render"
                ]
            }
        }],
        "react/wrap-multilines": 2
    },
    "env": {
        "es6": true,
        "node": true,
        "browser": true,
        "mocha": true
    },
    "parser-options": {
        "ecmaVersion": 6,
        "ecmaFeatures": {
            "experimentalObjectRestSpread ": true,
            "jsx": true,
            "sourceType": "module"
        }
    },
    "plugins": [
        "react"
    ]
}