- Create an empty list - Iterate through data - Perform a calculation - Append the result Use loops when: - Your logic is complex - You need to debug multiple steps - You need to perform side effects ...

There are two ways to implement sagas: Choreography - each service listens for events and decides what to do next. There is no central coordinator. This works well for simple sagas with few steps.

- Nested functions lose their context. - Variables in closures become x or y. You waste time matching minified names to original code. This slows your fixes. Solve this with these steps: - Combine ...