.eslintrc

{
    "root": true,
    "parserOptions": {
      "parser": "babel-eslint",
      "ecmaVersion": 13,
      "sourceType": "module",
      "ecmaFeatures": {
        "jsx": true
      }
    },
    "env": {
      "es6": true,
      "node": true,
      "browser": true
    },
    "extends": [
      "plugin:react/recommended",
      "eslint:recommended"
    ],
    "rules": {
      "indent":                           ["error", 4],
      "no-empty":                         ["error", { "allowEmptyCatch": true }],
      "no-redeclare":                     "off",
      "no-unused-vars":                   ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": true, "varsIgnorePattern": "React" }],
      "brace-style":                      ["error", "1tbs", { }],
      "object-curly-spacing":             ["error", "always"],
      "nonblock-statement-body-position": ["error", "below"],
      "array-bracket-spacing":            ["error", "never"],
      "space-before-blocks":              ["error", "always"],
      "comma-spacing":                    ["error", { "before": false, "after": true }],
      "comma-style":                      ["error", "last"],
      "arrow-spacing":                    ["error", { "before": true, "after": true }],
      "no-multi-spaces":                  ["error", { "ignoreEOLComments": true }],
      "key-spacing":                      ["error", { "beforeColon": false, "align": "value" }],
      "semi":                             ["error", "never"],
      "lines-between-class-members":      ["error", "always"],
      "quote-props":                      ["error", "consistent-as-needed"],
      "padding-line-between-statements":  [
          "error",
          { "blankLine": "always", "prev": "if", "next": "*" },
          { "blankLine": "always", "prev": "switch", "next": "*" },
          { "blankLine": "always", "prev": "*", "next": "switch" },
          { "blankLine": "never", "prev": "*", "next": "block" },
      ]
    },
    "globals": {
      "__DEV__": true
    }
  }