Storing file paths as string variables in Angular: a quick guide

I'm working with this line of code that selects all the files in a folder.

<input type="file" id="filepicker" name="fileList" (change)="saveFolderLocation($event)" webkitdirectory/>

My goal is to determine the directory of these files. I tried using the following code to access the path of the first file, but I am only able to retrieve its relative path. I need the absolute path to store it as a string later on.

 public saveFolderLocation(event: Event){
   const element = event.currentTarget as HTMLInputElement;
   let files = element.files;
   console.log(Array.from(files)[0]['webkitRelativePath']);
}

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