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How can you combine global and parameter-level pipes so that the parameter pipe runs first in NestJS?

hard📝 Application Q9 of 15
NestJS - Pipes
How can you combine global and parameter-level pipes so that the parameter pipe runs first in NestJS?
ANestJS does not support combining global and parameter pipes
BBind the parameter pipe first, then global pipe; parameter pipes run before global
CBind global pipes inside the parameter decorator
DGlobal pipes always run before parameter pipes regardless of order
Step-by-Step Solution
Solution:

  1. Step 1: Understand pipe execution order

    Parameter-level pipes run before method, controller, and global pipes.

  2. Step 2: Confirm combining pipes

    Binding both global and parameter pipes is supported; parameter pipes run first.

  3. Final Answer:

    Bind the parameter pipe first, then global pipe; parameter pipes run before global -> Option B

  4. Quick Check:

    Parameter pipes run before global pipes [OK]
Quick Trick: Parameter pipes run before global pipes in NestJS [OK]
Common Mistakes:
  • Assuming global pipes run before parameter pipes
  • Trying to bind global pipes inside parameter decorators
  • Thinking combining pipes is unsupported

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