How can you implement pagination in a NestJS service method that returns a list of items for a CRUD read operation?

hard📝 Conceptual Q9 of 15

NestJS - Database with TypeORM

AReturn all items and let client handle pagination

BAccept page and limit parameters, calculate offset, and return sliced array or query result

CUse @Delete decorator to paginate results

DOnly return the first item always

Step-by-Step Solution

Solution:

Step 1: Understand pagination parameters
Pagination requires page number and limit per page to calculate offset.
Step 2: Apply offset and limit to data source
Use offset = (page - 1) * limit to slice array or query database accordingly.
Final Answer:
Accept page and limit parameters, calculate offset, and return sliced array or query result -> Option B
Quick Check:
Pagination = page, limit, offset slicing [OK]

Quick Trick: Calculate offset from page and limit for pagination [OK]

Common Mistakes:

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