.eslintrc

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended"
  ],
  "installedESLint": true,
  "parserOptions": {
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "jsx": true
    },
    "sourceType": "module"
  },
  "rules": {
    "indent": ["error", 2],
    "linebreak-style": ["error", "unix"],
    "keyword-spacing": ["error", {"before": true, "after": true}],
    "no-unused-vars": ["error", {"vars": "all", "args": "none"}],
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "space-before-blocks": "error",
    "space-before-function-paren": "error",
    "prefer-const": ["error"],
    "eqeqeq": ["error", "always"],
    "arrow-spacing": ["error", {"before": true, "after": true}],
    "space-infix-ops": ["error"],
    "generator-star-spacing": ["error", {"before": true, "after": true}],
    "no-useless-computed-key": "error",
    "no-useless-constructor": "error",
    "no-useless-rename": "error",
    "prefer-spread": "error",
    "yield-star-spacing": ["error", "both"],
    "no-var": "error",
    "prefer-template": "error",
    "rest-spread-spacing": ["error"],
    "prefer-rest-params": "error",
    "prefer-arrow-callback": ["error", {"allowNamedFunctions": true}],
    "no-duplicate-imports": "error",
    "object-curly-spacing": ["error", "always"],
    "no-unsafe-negation": "error",
    "dot-location": ["error", "property"],
    "dot-notation": "error",
    "no-else-return": "error",
    "no-extra-label": "error",
    "no-floating-decimal": "error",
    "no-multi-spaces": "error",
    "no-useless-return": "error",
    "wrap-iife": ["error", "inside"],
    "yoda": ["error", "never", { "exceptRange": true }],
    "no-undef-init": "error",
    "array-bracket-spacing": ["error", "never", {"objectsInArrays": true}],
    "block-spacing": ["error", "always"],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-style": ["error", "last"],
    "computed-property-spacing": ["error", "never"],
    "eol-last": ["error", "always"],
    "func-call-spacing": ["error", "never"],
    "jsx-quotes": ["error", "prefer-double"],
    "key-spacing": ["error", { "beforeColon": false }],
    "new-parens": "error",
    "no-lonely-if": "error",
    "no-multiple-empty-lines": ["error", { "max": 1, "maxBOF": 1, "maxEOF": 1 }],
    "no-trailing-spaces": "error",
    "no-unneeded-ternary": "error",
    "no-whitespace-before-property": "error",
    "quote-props": ["error", "as-needed"],
    "space-in-parens": ["error", "never"],
    "space-unary-ops": "error",
    "spaced-comment": ["error", "always"],
    "template-tag-spacing": ["error", "always"],
    "object-shorthand": ["error", "always"]
  }
}