.eslintrc

{
    "env": {
        "browser": true,
        "es6": true,
        "jest": true
    },
    "extends": ["standard"],
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "plugins": ["react"],
    "rules": {
        "react/jsx-uses-react": ["error"],
        "react/jsx-uses-vars": ["error"],
        "indent": ["error", 2, { "flatTernaryExpressions": true }],
        "operator-linebreak": [
          "error",
          "after",
          { "overrides": { "?": "none", ":": "after" } }
        ],
        "no-var": "error",
        "prefer-const": "error",
        "no-multi-spaces": [
          "error",
          {
            "exceptions": {
              "ConditionalExpression": true,
              "VariableDeclarator": true,
              "ImportDeclaration": true
            }
          }
        ],
        "key-spacing": ["error", { "align": "value" }],
        "comma-dangle": ["error", "always-multiline"],
        "object-curly-newline": [
          "error",
          {
            "minProperties": 5,
            "consistent": true,
            "multiline": true
          }
        ],
        "arrow-parens":[ "error", "as-needed"],
        "complexity": [ "warn", { "max": 5 }],
        "max-statements": [ "warn", { "max": 7 }],
        "max-statements-per-line": [ "warn", { "max": 1 }],
        "max-nested-callbacks": [ "warn", { "max": 2 }],
        "max-depth": [ "warn", { "max": 2 } ],
        "max-lines": [ "warn", { "max": 100 } ],
        "max-lines-per-function": [ "warn", { "max": 50 } ]
    }
}