Reduced Number of Parameters from getCategories Helper Function

[atchamwa]

P1B: Starter Task: Refactoring PR

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1. Issue

#57

src/controllers/helpers.js

It contains many helper functions for the controller. These can include functions to allow filtering, sorting, etc..

Edited the function header to change the parameters. Also changed the way the function was called in the code in the controllers file.

Function with many parameters (count = 4): getCategories

2. Refactoring

The function's large number of parameters made it hard to change or add onto which could make future additions harder to implement. With a more structured parameter head its now much easier to add/remove parameters based on what's needed.

Instead of multiple parameters, I simply made input be one array parameter that includes those parameters.

Now you can simply ommit elements of the array and it still works fine.

3. Validation

I ran the 'npm run test' after adding print statements to the parts of the code affected by my changes and checked if they both appeared and still gave the right amount of coverage (meaning it didn't break the code)