update example of typescript in README

README.md

@@ -237,10 +237,10 @@ To connect to the API from TypeScript (e.g. Vue application) it is possible to d
  * Generated by APIlite
  * https://gitea.tpsoft.org/TPsoft.org/APIlite
  *
- * 2025-05-28 15:44:07 */
+ * 2025-06-12 06:24:33 */
 
-export const backend = {
-	endpont: window.location.origin + "APIcalculator.php",
+class APIcalculator {
+        endpont = "http://";
 
         /* ----------------------------------------------------
          * General API call
@@ -265,7 +265,7 @@ export const backend = {
                 });
                 xhttp.open('POST', this.endpont + '?action=' + method);
                 xhttp.send(form_data);
-	},
+        }
 
         callPromise(method, data) {
                 return new Promise((resolve, reject) => {
@@ -277,34 +277,34 @@ export const backend = {
                                 }
                         });
                 })
-	},
+        }
 
         /* ----------------------------------------------------
          * API actions
          */
         help() {
                 return this.callPromise('__HELP__', {});
-	},
+        }
 
         add(a, b) {
                 return this.callPromise('add', {a: a, b: b});
-	},
+        }
 
         subtract(a, b) {
                 return this.callPromise('subtract', {a: a, b: b});
-	},
+        }
 
         multiply(a, b) {
                 return this.callPromise('multiply', {a: a, b: b});
-	},
+        }
 
         divide(a, b) {
                 return this.callPromise('divide', {a: a, b: b});
-	},
-
+        }
 
 };
 
+export default new BackendAPI();
 ```
 
 These outputs can also be generated in the command line as follows