In the layered architecture pattern, each layer fulfills a specific responsibility and role within the application. Some focus on user interface logic, while others handle the execution of business rules. These layers complement each other's unique purposes, but they aren't explicitly reliant on one another to perform their own tasks.

In software architecture, layers act as individual processes within the infrastructure of an application. These layers typically form a pattern, also called the n-tier architecture pattern.

Top level architecture

With the new plugin based architectue, the library has really small core. Everything else is built around as a plugin.

Developing software is usually easier if you break your project into smaller separate pieces, since that often removes unexpected interactions and dramatically reduces the complexity of the problems you'll need to solve

The overall software architecture is actioning years of developers experiences through Uncle Bob's Clean Architecture. Thanks to Lerna and Yarn workspaces, GanttLab now comes with the entities, use-cases and gateways packages that are used by the adapter-webapp making up the web application on https://app.ganttlab.com.

What does composition have to do with mocking?Everything. The essence of all software development is the process of breaking a large problem down into smaller, independent pieces (decomposition) and composing the solutions together to form an application that solves the large problem (composition).