Function postMessage

pages/ui_component_messenger.js:48–51

(data)

}

export function postMessage(data) {
  if (!ownerPagePort) return;
  ownerPagePort.postMessage(data);
}

// We require both that the DOM is ready and that the port has been opened before the UIComponent
// is ready. These events can happen in either order. We count them, and notify the content script