.eslintrc.json

{
  "env": {
    "browser": false,
    "commonjs": true,
    "es6": true,
    "jest": true
  },
  "extends": "eslint:recommended",
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaVersion": 2018
  },
  "rules": {
    "indent": ["error", 2],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single"],
    "semi": ["error", "never"],
    "no-console": "error",
    "no-extra-parens": "error",
    "no-template-curly-in-string": "error",
    "consistent-return": "error",
    "curly": "error",
    "no-else-return": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-param-reassign": "error",
    "no-return-assign": "error",
    "no-sequences": "error",
    "require-await": "error",
    "no-shadow": "error",
    "no-use-before-define": "error",
    "array-bracket-spacing": ["error", "never"],
    "block-spacing": "error",
    "brace-style": "error",
    "camelcase": "error",
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": "error",
    "eol-last": "error",
    "key-spacing": "error",
    "max-len": "error",
    "no-await-in-loop": "error",
    "no-import-assign": "error",
    "array-callback-return": "error",
    "block-scoped-var": "error",
    "dot-location": ["error", "property"],
    "dot-notation": "error",
    "eqeqeq": "error",
    "no-caller": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-loop-func": "error",
    "no-new-wrappers": "error",
    "no-octal": "error",
    "no-proto": "error",
    "no-return-await": "error",
    "no-self-compare": "error",
    "no-throw-literal": "error",
    "no-unmodified-loop-condition": "error",
    "no-unused-expressions": "error",
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "no-useless-return": "error",
    "no-void": "error",
    "prefer-promise-reject-errors": "error",
    "vars-on-top": "error",
    "yoda": "error",
    "no-process-env": "error",
    "no-process-exit": "error",
    "no-sync": "error",
    "array-bracket-newline": "error",
    "array-element-newline": ["error", "consistent"],
    "capitalized-comments": "error",
    "computed-property-spacing": "error",
    "func-call-spacing": "error",
    "function-call-argument-newline": ["error", "consistent"],
    "function-paren-newline": ["error", "multiline-arguments"],
    "implicit-arrow-linebreak": "error",
    "keyword-spacing": "error",
    "multiline-ternary": ["error", "always-multiline"],
    "new-parens": "error",
    "newline-per-chained-call": "error",
    "no-lonely-if": "error",
    "no-multi-assign": "error",
    "no-negated-condition": "error",
    "no-nested-ternary": "error",
    "no-new-object": "error",
    "no-tabs": "error",
    "no-trailing-spaces": "error",
    "no-unneeded-ternary": "error",
    "no-whitespace-before-property": "error",
    "object-curly-newline": "error",
    "object-curly-spacing": ["error", "always", { "objectsInObjects": false }],
    "padded-blocks": ["error", "never"],
    "prefer-object-spread": "error",
    "quote-props": ["error", "as-needed"],
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", "never"],
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "spaced-comment": "error",
    "template-tag-spacing": "error",
    "arrow-body-style": "error",
    "arrow-parens": ["error", "as-needed"],
    "arrow-spacing": "error",
    "no-duplicate-imports": "error",
    "no-useless-computed-key": "error",
    "no-useless-rename": "error",
    "no-var": "error",
    "prefer-arrow-callback": "error",
    "prefer-const": "error",
    "prefer-destructuring": "error",
    "prefer-numeric-literals": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "rest-spread-spacing": "error",
    "template-curly-spacing": "error"
  }
}