How to make FileReader work with Angular2?

Question

How to make FileReader work with Angular2!!

When reading a file from client side with Angular2 and Typescript,

I try to us

Answer 1

Just add

fr.readAsText(event.files[0]);

After the onLoad definition.

Maybe this can help you, this is my upload handler function for the file upload library of primeng

archivoUploadHandler(event) {
  let contenido;
  let fr = new FileReader();
  fr.onload = (e) => {
    contenido = fr.result;
    console.log(contenido);
  };
  fr.readAsText(event.files[0]);
}