.eslintrc.json

{
    "extends": [
      "eslint:recommended",
      "plugin:import/errors",
      "plugin:import/warnings"
    ],
    "parserOptions": {
      "ecmaVersion": 5
    },
    "env": {
      "browser": true
    },
    "globals": {
    },
    "plugins": [
    ],
    "rules": {
      "arrow-parens": ["error", "always"],
      "arrow-spacing": ["error", {
          "before": true,
          "after": true
        }],
      "brace-style": "error",
      "comma-dangle": ["error", "only-multiline"],
      "comma-spacing": "error",
      "eqeqeq": "error",
      "func-call-spacing": "error",
      "indent": ["error", 2, {
        "MemberExpression": 1,
        "SwitchCase" : 1,
        "VariableDeclarator": { "var": 2, "let": 2, "const": 3 }
      }],
      "key-spacing": "error",
      "keyword-spacing": "error",
      "newline-per-chained-call": "error",
      "no-array-constructor": "error",
      "no-extra-parens": "error",
      "no-extra-semi": "error",
      "no-multi-spaces": "error",
      "no-mixed-spaces-and-tabs": "error",
      "no-multiple-empty-lines": ["error", { "max": 1 }],
      "no-unused-vars": "off",
      "no-undef": "off",
      "no-useless-escape": "off",
      "no-whitespace-before-property": "error",
      "object-curly-spacing": ["error", "always"],
      "semi": ["error", "always"],
      "semi-spacing": "error",
      "space-before-blocks": "error",
      "space-before-function-paren": ["error", "never"],
      "space-in-parens": "error",
      "space-infix-ops": "error",
  
      "quotes": [
        "error",
        "single"
      ],
  
      "no-console": "off",
      "max-nested-callbacks": [1, 3],
      "max-len": [1, 200, 2],
      "max-params": [1, 5],
      "max-statements": [1, 60],
      "no-underscore-dangle": 0,
  
      "import/default": "off",
  
      "private-props/no-use-outside": "off"
    }
  }