That’s the classical Modular Software Design. What it misses, though, is testability. If a business-module has a lot of complex business logic, it cannot be easily tested, since the business logic is mixed with the untestable infrastructure code (e.g. file system or network calls) that lies in the same module. So we need to introduce a separation, and that’s where Infrastructure-Modules come into play.
Москалькова заявила о новых условиях Киева для возвращения россиян с территории Украины14:51
，更多细节参见91视频
В стране ЕС белоруске без ее ведома удалили все детородные органы22:38
const local = this.#data.get(key);
Before diving into API design, it's worth asking: what is a stream?