CODE EXAMPLE FOR JAVASCRIPT

npm install react-fontawesome

npm i --save @fortawesome/fontawesome-svg-core 
npm install --save @fortawesome/free-solid-svg-icons
npm install --save @fortawesome/react-fontawesome
npm install --save @fortawesome/free-brands-svg-icons
npm install --save @fortawesome/free-regular-svg-icons

yarn add @fortawesome/fontawesome-svg-core
yarn add @fortawesome/free-solid-svg-icons
yarn add @fortawesome/react-fontawesome