Building the application logic

Now that we have completed the project structure and manifest configuration, we can start building the application logic in the provided code resource file: index.ts

This file will be the component’s entry point and will be in charge of the control initialization, event handling, and control removal.

How to do it…

1. From the Visual Studio Code menu, click on Terminal | New terminal. This action will open the integrated PowerShell console.
2. From this integrated console, enter npm run build, and press Enter. This command will execute the component’s build process, including the manifest configuration.
3. Using the Explorer pane, expand FontAwesomeComponent and double-click the index.ts file to open it.
4. Enter the following code just below the export class sentence:

   private _URL: string;
   

5. Find the init function and enter the following code between the curly brackets:

   this._URL...