Adds all needed codestyle dependencies

codestyle_init.sh

#!/bin/bash

#####################################
# npm 5+ required
# run in the root of your npm project
# edit env as needed (browser or node)
#####################################

npm i -D eslint prettier eslint eslint-config-prettier eslint-plugin-prettier babel-eslint@8
npx install-peerdeps --dev eslint-config-airbnb
echo '{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true
  }
  "extends": ["airbnb", "prettier"],
  "plugins": ["prettier"],
  "rules": {
    "prettier/prettier": ["error"],
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }]
  }
}' > .eslintrc
echo '{
  "singleQuote": true,
  "trailingComma": "es5"
}' > .prettierrc

copy this file to the root of your project, make it executable and run it once:

cd /path/to/my/project
cp /path/to/codestyle_init.sh .
chmod +x codestyle_init.sh
./codestyle_init.sh