How to config your file with prettier

Prettier config

1) install prettier
npm install --save-dev --save-exact prettier

2) Add prettier formart in your package.json file under scripts

"scripts": {
    "prettier-format": "npx prettier --write .",
    "prettier-check": "npx prettier --check ."
  },

3) Add prettier.config.js file and ingore file
module.exports = {
  trailingComma: 'es5',
  tabWidth: 2,
  semi: false,
  singleQuote: true,
}

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prettierignore
build
coverage
.package-lock.json
node_modules

4) To formart your code run 
npm run prettier-formart