Adobe Experience Platform Launch is the recommended way to implement Analytics, Target, and Audience Manager within Single Page Applications (SPAs).
The SPA Editor is the recommended solution for projects that require SPA framework based client-side rendering (e.g. React or Angular).
To understand how to integrate your SPA with Adobe Experience Platform Launch, please see this knowledge base article and tutorial, which will guide you through the Launch setup as well as implement the Experience Cloud in built with Angular or React.
The referenced KB was created to enable Adobe Experience Platform Launch integration with SPAs that don’t leverage the AEM SPA Editor. These methods should also allow the Adobe Experience Platform Launch integration to coexist with SPAs that are built to use the SPA Editor.