Come identificare se una applicazione SharePoint Framework (SPFx) gira in locale

import { Environment, EnvironmentType } from '@microsoft/sp-core-library';

export declare enum EnvironmentType {
    /**
     * Indicates that the SharePoint Framework is running inside a test harness, e.g. a unit test.
     * There may be no user interaction at all, and network access in general may be disabled.
     */
    Test = 0,
    /**
     * Indicates that the SharePoint Framework is running on a page from a "localhost" web server,
     * for example the SharePoint Workbench when hosted via "gulp serve".  SharePoint REST API calls
     * will not be available, and in general network access may not authenticate properly.
     * Certain page context information may be using mock values for testing.
     */
    Local = 1,
    /**
     * Indicates that the SharePoint Framework is running on a modern SharePoint web page,
     * with full framework functionality.  This is the normal usage scenario.
     */
    SharePoint = 2,
    /**
     * Indicates that the framework was hosted by a classic server-rendered SharePoint page.
     * Some functionality may be limited, e.g. various extensibility APIs may not be supported.
     */
    ClassicSharePoint = 3,
}

if ( Environment.type === EnvironmentType.Local) {
  // carica da locale i dati di prova (Mock)
} else {
  // carica da remoto i dati reali
}