eslint

.babelrc

{

  "presets": [

    "react-native",

    "flow"

  ],

  "retainLines": true

}

.eslintrc

{
  "env": {
    "node": true,
    "browser": true,
    "commonjs": true,
    "es6": true
  },
  "parser": "babel-eslint",
  "extends": [
    "airbnb",
    "prettier",
    "prettier/flowtype",
    "prettier/react",
    "prettier/standard"
  ],
  "plugins": ["only-warn"],
  "rules": {
    "no-console": 0,
    "linebreak-style": 0,
    "no-use-before-define": 0,
    "comma-dangle": [
      1,
      {
        "arrays": "always",
        "objects": "always",
        "imports": "always",
        "exports": "never",
        "functions": "ignore"
      }
    ],
    "react/prefer-stateless-function": [0, { "ignorePureComponents": true }],
    "react/prop-types": 0,
    "semi": 0,
    "react/destructuring-assignment": 0,
    "no-unused-vars": 0,
  }
}

script

npm install --save-dev prettier eslint-plugin-prettier eslint-config-prettier babel-eslint babel-preset-flow eslint-plugin-only-warn
npm install flow-bin@0.42.0 babel-preset-flow --save-dev