[Solved] Consider this NestJS route guarded by AuthGuard and RolesGuard:@UseGuards(AuthGuard, RolesGuard) @Get('dashboard')... }What happens if AuthGuard allows the request but RolesGuard denies it? | NestJS

NestJS - Guards

Consider this NestJS route guarded by AuthGuard and RolesGuard:

@UseGuards(AuthGuard, RolesGuard)
@Get('dashboard')
dashboard() {
  return 'Dashboard Data';
}

What happens if AuthGuard allows the request but RolesGuard denies it?

AThe request is denied and an authorization error is returned.

BThe request proceeds and returns 'Dashboard Data'.

COnly <code>AuthGuard</code> result matters; the request proceeds.

DNestJS throws a runtime error due to conflicting guards.

Step-by-Step Solution

Solution:

Step 1: Understand guard behavior
All guards applied via @UseGuards must return true for the request to proceed.
Step 2: Analyze the scenario
Since RolesGuard denies access, it returns false or throws an exception, blocking the request.
Final Answer:
The request is denied and an authorization error is returned. -> Option A
Quick Check:
All guards must pass for access [OK]

Quick Trick: All guards must approve for access to proceed [OK]

Common Mistakes:

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