Framework is unfortunately a term that's both ill-defined and quite overloaded. Electron is a framework in a very different sense than the "JS frameworks" op is asking about. The latter is about libraries with APIs and mental models for producing the UI & UX of web applications.
Electron is just a way of running Chrome without the Chrome UI around it, + a few APIs for accessing native OS APIs. You wouldn't say that Chrome/Firefox/Safari are frameworks just because they execute JS code and has APIs. In the context of this discussion, it is fair to say that Obsidian was built without a framework.
Electron is just a way of running Chrome without the Chrome UI around it, + a few APIs for accessing native OS APIs. You wouldn't say that Chrome/Firefox/Safari are frameworks just because they execute JS code and has APIs. In the context of this discussion, it is fair to say that Obsidian was built without a framework.