.eslintrc

{
  parser: "babel-eslint",
  env: {
    es6: true,
    node: true
  },
  extends: [
    "plugin:react/recommended",
    "eslint:recommended",
  ],
  plugins: [
    "babel",
    "import",
    "react",
    "react-native",
  ],
  parserOptions: {
    ecmaVersion: 8,
    ecmaFeatures: {
      experimentalObjectRestSpread: true,
      restParams: true,
      spread: true,
      jsx: true
    },
    sourceType: "module"
  },
  rules: {
    indent: ["error", 4],
    semi: ["error", "always"],
    no-mixed-spaces-and-tabs: 2,
    react/no-unknown-property: 1,
    react/jsx-filename-extension: 0,
    react/prefer-stateless-function: 0,
    react/sort-comp: 0,
    no-use-before-define: 0,
    no-underscore-dangle: 0,
    import/no-extraneous-dependencies: 0,
    import/no-unresolved: [2, { ignore: ['react', 'react-native'] }],
    no-spaced-func: 2,
    space-in-parens: ["error", "never"],
    no-var: "error",
    no-constant-condition: 2,
    eqeqeq: 2,
    no-else-return: 2,
    no-eval: 2,
    no-lone-blocks: 2,
    no-loop-func: 2,
    no-useless-return: 2,
    block-spacing: 2,
    no-lonely-if: 2,
    no-trailing-spaces: 2,
    one-var: ["error", "never"],
    arrow-body-style: ["error", "as-needed"],
    no-console: 1,
    no-unused-vars: 1,
    jsx-quotes: ["error", "prefer-double"],
    no-unused-expressions: 2,
    require-await: 2,
    no-irregular-whitespace: 2,
    arrow-spacing: "error",
    arrow-parens: ["error", "as-needed"],
    brace-style: [
      "error",
      "1tbs",
      { allowSingleLine: false }
    ],
    no-multi-spaces: [
      "error", {
        exceptions: {ImportDeclaration: true}
      }
    ],
    key-spacing: [2, {
      beforeColon: false,
      afterColon: true,
      align: "value"
    }],
    no-empty-function: 2,
    comma-dangle: ["error", {
        "arrays": "always-multiline",
        "objects": "always-multiline",
        "imports": "always-multiline",
        "exports": "never",
        "functions": "ignore",
    }],
  }
}