Fix

src/app/services/file/file-loader.service.ts

@@ -0,0 +1,27 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class FileLoaderService {
+
+  constructor() { }
+
+
+  loadeFile({ type = 'file'}): HTMLInputElement {
+   
+    let input = document.createElement('input');
+    input.type = type;
+
+    // input.onchange = () => {
+    //   // you can use this method to get file and perform respective operations
+    //   let files =   Array.from(input.files);
+    //   console.log(files);
+    // };
+
+    input.click();
+
+    return input
+    
+  }
+}