Function appendServerContextInfo

packages/platform-server/src/utils.ts:145–155

* Adds the `ng-server-context` attribute to host elements of all bootstrapped components * within a given application.

(applicationRef: ApplicationRef)

 * within a given application.
 */
function appendServerContextInfo(applicationRef: ApplicationRef) {
  const injector = applicationRef.injector;
  let serverContext = sanitizeServerContext(injector.get(SERVER_CONTEXT, DEFAULT_SERVER_CONTEXT));
  applicationRef.components.forEach((componentRef) => {
    const renderer = componentRef.injector.get(Renderer2);
    const element = componentRef.location.nativeElement;
    if (element) {
      renderer.setAttribute(element, 'ng-server-context', serverContext);
    }
  });
}

function insertEventRecordScript(
  appId: string,