.eslintrc

{
    "env": {
        "browser": true,
        "node": true,
        "jest/globals": true
    },
    "settings": {
        "react": {
            "version": "detect"
        }
    },
    "plugins": ["jest"],
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module"
    },
    "rules": {
        "for-direction": "error",
        "getter-return": "error",
        "no-async-promise-executor": "error",
        "no-await-in-loop": "warn",
        "no-compare-neg-zero": "error",
        "no-cond-assign": "error",
        "no-constant-condition": "error",
        "no-debugger": "error",
        "no-dupe-args": "error",
        "no-dupe-keys": "error",
        "no-duplicate-case": "error",
        "no-empty": "error",
        "no-empty-character-class": "error",
        "no-ex-assign": "error",
        "no-extra-boolean-cast": "error",
        "no-extra-parens": ["error", "all", {
            "returnAssign": false,
            "nestedBinaryExpressions": false,
            "ignoreJSX": "multi-line"
        }],
        "no-extra-semi": "error",
        "no-func-assign": "error",
        "no-inner-declarations": "error",
        "no-irregular-whitespace": [ "error", { "skipRegExps": true }],
        "no-obj-calls": "error",
        "no-regex-spaces": "error",
        "no-sparse-arrays": "error",
        "no-template-curly-in-string": "warn",
        "no-unexpected-multiline": "error",
        "no-unreachable": "error",
        "no-unsafe-finally": "error",
        "no-unsafe-negation": "error",
        "require-atomic-updates": "error",
        "use-isnan": "error",
        "valid-typeof": "error",
        "array-callback-return": "error",
        "class-methods-use-this": "error",
        "consistent-return": "error",
        "curly": ["error", "multi-line"],
        "dot-location": ["error", "property"],
        "dot-notation": "error",
        "eqeqeq": ["error", "always"],
        "guard-for-in": "error",
        "no-alert": "error",
        "no-caller": "error",
        "no-empty-function": "error",
        "no-empty-pattern": "error",
        "no-eq-null": "error",
        "no-eval": "error",
        "no-extend-native": "error",
        "no-fallthrough": "error",
        "no-floating-decimal": "error",
        "no-global-assign": "error",
        "no-implicit-coercion": ["error", { "boolean": false }],
        "no-implied-eval": "error",
        "no-invalid-this": "error",
        "no-iterator": "error",
        "no-labels": "error",
        "no-lone-blocks": "error",
        "no-multi-spaces": "error",
        "no-multi-str": "error",
        "no-new": "error",
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-octal": "error",
        "no-proto": "error",
        "no-redeclare": "error",
        "no-return-assign": ["error", "always"],
        "no-return-await": "error",
        "no-script-url": "error",
        "no-self-assign": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-throw-literal": "error",
        "no-unused-labels": "error",
        "no-useless-concat": "error",
        "no-useless-escape": "error",
        "no-useless-return": "error",
        "no-void": "error",
        "no-with": "error",
        "radix": "error",
        "require-await": "warn",
        "wrap-iife": ["error", "inside"],
        "yoda": ["error", "never", { "exceptRange": true }],
        "no-delete-var": "error",
        "no-label-var": "error",
        "no-shadow": "error",
        "no-shadow-restricted-names": "error",
        "no-undef": "error",
        "no-undef-init": "error",
        "no-undefined": "error",
        "no-unused-vars": "warn",
        "no-use-before-define": ["error", { "functions": false }],
        "callback-return": "warn",
        "no-mixed-requires": "error",
        "no-new-require": "error",
        "no-path-concat": "error",
        "array-bracket-newline": ["error", "consistent"],
        "array-bracket-spacing": ["error", "never"],
        "array-element-newline": ["error", "consistent"],
        "block-spacing": "error",
        "brace-style": "error",
        "camelcase": ["error", { "properties": "never" }],
        "comma-dangle": ["error", "never"],
        "comma-spacing": ["error", {
            "before": false,
            "after": true
        }],
        "comma-style": ["error", "last"],
        "computed-property-spacing": ["error", "never"],
        "func-call-spacing": ["error", "never"],
        "indent": ["error", 2, {
            "VariableDeclarator": "first",
            "SwitchCase": 1,
            "MemberExpression": 1
        }],
        "jsx-quotes": ["error", "prefer-double"],
        "key-spacing": ["error", {
            "beforeColon": false,
            "afterColon": true,
            "mode": "strict"
        }],
        "keyword-spacing": "error",
        "line-comment-position": ["error", { "position": "above" }],
        "new-parens": "error",
        "no-array-constructor": "error",
        "no-lonely-if": "error",
        "no-mixed-operators": "error",
        "no-mixed-spaces-and-tabs": "error",
        "no-multi-assign": "error",
        "no-multiple-empty-lines": ["error", {
            "max": 1,
            "maxBOF": 0,
            "maxEOF": 1
        }],
        "no-new-object": "error",
        "no-tabs": "error",
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "error",
        "no-whitespace-before-property": "error",
        "nonblock-statement-body-position": ["error", "beside"],
        "object-curly-newline": ["error", { "consistent": true }],
        "object-curly-spacing": ["error", "always", { "objectsInObjects": false }],
        "operator-assignment": ["error", "always"],
        "operator-linebreak": ["error", "before", {
            "overrides": {
                "||": "after",
                "&&": "after"
            }
        }],
        "padded-blocks": ["error", "never"],
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "single", { "allowTemplateLiterals": true }],
        "semi": ["error", "always"],
        "semi-spacing": ["error", {
            "before": false,
            "after": true
        }],
        "semi-style": ["error", "last"],
        "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
        }],
        "spaced-comment": ["error", "always", {
            "line": { "exceptions": ["-", "+"] },
            "block": { "exceptions": ["*"], "balanced": true }
        }],
        "switch-colon-spacing": "error",
        "template-tag-spacing": "error",
        "arrow-parens": ["error", "as-needed", { "requireForBlockBody": true }],
        "arrow-spacing": "error",
        "constructor-super": "error",
        "generator-star-spacing": ["error", {
            "before": true,
            "after": false
        }],
        "no-class-assign": "error",
        "no-confusing-arrow": ["error", { "allowParens": true }],
        "no-const-assign": "error",
        "no-dupe-class-members": "error",
        "no-duplicate-imports": "error",
        "no-new-symbol": "error",
        "no-this-before-super": "error",
        "no-useless-computed-key": "error",
        "no-useless-constructor": "error",
        "no-useless-rename": "error",
        "require-yield": "error",
        "rest-spread-spacing": "error",
        "template-curly-spacing": "error",
        "yield-star-spacing": ["error", "before"]
    }
}