.eslintrc.json

{
    "root": true,
    "parser": "babel-eslint",
    "parserOptions": {
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "jest": true,
        "node": true
    },
    "plugins": [
        "babel",
        "react"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended"
    ],
    "rules": {
        // Possible Errors
        "no-await-in-loop": "error",
        "no-extra-parens": "error",

        // Best Practices
        "array-callback-return": "error",
        "block-scoped-var": "error",
        "complexity": "error",
        "dot-location": ["error", "property"],
        "dot-notation": "error",
        "eqeqeq": "error",
        "no-alert": "error",
        "no-eq-null": "error",
        "no-eval": "error",
        "no-extend-native": "error",
        "no-extra-bind": "error",
        "no-floating-decimal": "error",
        "no-implicit-coercion": ["error", { "allow": ["!!"] }],
        "no-implicit-globals": "error",
        "no-implied-eval": "error",
        // "no-invalid-this": "error",
        "no-iterator": "error",
        "no-labels": "error",
        "no-lone-blocks": "error",
        "no-loop-func": "error",
        "no-magic-numbers": ["error", { "ignore": [-1, 0, 1], "ignoreArrayIndexes": true }],
        "no-multi-spaces": "error",
        "no-new-func": "error",
        "no-proto": "error",
        "no-return-assign": "error",
        "no-return-await": "error",
        "no-script-url": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-throw-literal": "error",
        "no-unmodified-loop-condition": "error",
        "no-useless-call": "error",
        "no-useless-concat": "error",
        "no-useless-return": "error",
        // "no-void": "error",
        "no-with": "error",
        "prefer-promise-reject-errors": ["error", { "allowEmptyReject": true }],
        "radix": "error",
        "require-await": "error",
        "vars-on-top": "error",
        "yoda": ["error", "never", { "exceptRange": true }],

        // Variables
        "no-catch-shadow": "error",
        "no-shadow-restricted-names": "error",
        "no-undef-init": "error",
        "no-undefined": "error",
        "no-use-before-define": ["error", { "functions": false }],

        // Node.js and CommonJS
        "global-require": "error",
        "no-new-require": "error",

        // Stylistic Issues
        "array-bracket-newline": ["error", "consistent"],
        "array-bracket-spacing": "error",
        "block-spacing": "error",
        "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
        "camelcase": ["error", { "properties": "never" }],
        "comma-dangle": "error",
        "comma-spacing": "error",
        "comma-style": "error",
        "computed-property-spacing": "error",
        "eol-last": "error",
        "func-call-spacing": "error",
        "func-style": ["error", "declaration", { "allowArrowFunctions": true }],
        "function-paren-newline": "error",
        "implicit-arrow-linebreak": "error",
        "indent": ["error", 4, { "SwitchCase": 1 }],
        "jsx-quotes": ["error", "prefer-single"],
        "key-spacing": "error",
        "keyword-spacing": "error",
        "linebreak-style": "error",
        "lines-between-class-members": "error",
        "max-lines": ["error", 550],
        "max-statements-per-line": "error",
        "multiline-ternary": ["error", "always-multiline"],
        "new-cap": "error",
        "new-parens": "error",
        "newline-per-chained-call": ["error", { "ignoreChainWithDepth": 3 }],
        "no-array-constructor": "error",
        "no-lonely-if": "error",
        "no-multiple-empty-lines": "error",
        "no-negated-condition": "error",
        "no-new-object": "error",
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "error",
        "no-whitespace-before-property": "error",
        "object-curly-newline": ["error", { "consistent": true }],
        "object-curly-spacing": ["error", "always"],
        "object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
        "one-var": ["error", { "var": "always", "let": "always" }],
        "one-var-declaration-per-line": "error",
        "operator-linebreak": ["error", "after"],
        "padded-blocks": ["error", "never"],
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": ["var", "let", "const"], "next": "*" },
            { "blankLine": "always", "prev": "*", "next": "return" },
            { "blankLine": "always", "prev": ["import", "export"], "next": "*" },
            { "blankLine": "never", "prev": "import", "next": "import" },
            { "blankLine": "any", "prev": "export", "next": "export" },
            { "blankLine": "always", "prev": ["block-like", "multiline-block-like"], "next": "*" },
            { "blankLine": "always", "prev": "*", "next": ["block-like", "multiline-block-like"] }
        ],
        "quote-props": ["error", "consistent"],
        "quotes": ["error", "single"],
        "semi": "error",
        "semi-spacing": "error",
        "semi-style": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": ["error", { "anonymous": "never", "named": "never", "asyncArrow": "always" }],
        "space-in-parens": "error",
        "space-infix-ops": "error",
        "space-unary-ops": ["error", { "words": true, "nonwords": false }],
        "switch-colon-spacing": "error",
        "template-tag-spacing": "error",
        "unicode-bom": "error",

        // ECMAScript 6
        "arrow-body-style": ["error", "as-needed"],
        "arrow-parens": ["error", "as-needed"],
        "arrow-spacing": "error",
        "constructor-super": "error",
        "generator-star-spacing": "error",
        "no-duplicate-imports": "error",
        "no-useless-computed-key": "error",
        "no-useless-constructor": "error",
        "no-useless-rename": "error",
        "no-var": "error",
        "object-shorthand": "error",
        "prefer-numeric-literals": "error",
        "prefer-rest-params": "error",
        "prefer-spread": "error",
        "prefer-template": "error",
        "rest-spread-spacing": "error",
        "symbol-description": "error",
        "yield-star-spacing": "error",

        // React
//        "react/button-has-type": "error",
        "react/default-props-match-prop-types": "error",
        "react/display-name": "off",
        "react/forbid-foreign-prop-types": "error",
        "react/no-children-prop": "error",
        "react/no-danger-with-children": "error",
        "react/no-deprecated": "error",
        "react/no-direct-mutation-state": "error",
        "react/no-is-mounted": "error",
        "react/no-redundant-should-component-update": "error",
        "react/no-render-return-value": "error",
        "react/no-typos": "error",
        "react/no-string-refs": "error",
        "react/no-unescaped-entities": "error",
        "react/no-unknown-property": "error",
        // "react/no-unused-prop-types": "error",
        "react/no-unused-state": "error",
        "react/prefer-es6-class": "error",
        "react/prop-types": ["error", { "ignore": ["children", "state", "actions"], "skipUndeclared": true }],
        "react/react-in-jsx-scope": "error",
        "react/require-render-return": "error",
        "react/self-closing-comp": "error",
        "react/sort-comp": ["error", {
            "order": [
                "constructor",
                "state",
                "static-methods",
                "lifecycle",
                "/^handle.+$/",
                "everything-else",
                "/^render.+$/",
                "render"
            ]
        }],
        "react/style-prop-object": "error",
        "react/void-dom-elements-no-children": "error",

        // JSX-specific rules
        "react/jsx-boolean-value": "error",
        "react/jsx-closing-bracket-location": ["error", "line-aligned"],
        // "react/jsx-closing-tag-location": "error",
        "react/jsx-curly-spacing": "error",
        "react/jsx-equals-spacing": "error",
        "react/jsx-filename-extension": ["error", { "extensions": [".js", ".jsx"] }],
        "react/jsx-first-prop-new-line": ["error", "multiline"],
        "react/jsx-handler-names": "error",
        "react/jsx-indent": "error",
        "react/jsx-indent-props": "error",
        "react/jsx-max-props-per-line": ["error", { "maximum": 3 }],
        "react/jsx-no-bind": "error",
        "react/jsx-no-comment-textnodes": "error",
        "react/jsx-no-duplicate-props": "error",
        "react/jsx-no-target-blank": "error",
        "react/jsx-no-undef": "error",
        "react/jsx-curly-brace-presence": "error",
        "react/jsx-sort-props": ["error", {
            "callbacksLast": true,
            "noSortAlphabetically": true
        }],
        "react/jsx-tag-spacing": "error",
        "react/jsx-uses-vars": "error",

        // Babel
        "babel/semi": "error"
    }
}