P1B: Refactor (packages/codemode/src/stdlib/collections.ts:43): Function with many returns (count = 6)

### Uniqueness check

- [x] I have searched open issues and confirmed this **file + smell** is not already taken.

### Full path to the Typescript file

packages/codemode/src/stdlib/collections.ts

### Function(s)/scope targeted

spreadItems

### Relevant Qlty output

```shell
packages/codemode/src/stdlib/collections.ts
  43  Function with many returns (count = 6): spreadItems
```