NestJS - Guards
You wrote this code but the guard does not run on the route as expected:
```typescript
@Controller('products')
@UseGuards()
export class ProductsController {
@Get()
getAll() { return [] }
}
```
What is the likely cause?
You wrote this code but the guard does not run on the route as expected: ```typescript @Controller('products') @UseGuards() export class ProductsController { @Get() getAll() { return [] } } ``` What is the likely cause?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check @UseGuards usage
@UseGuards() is called without any guard class, so no guard is applied.Step 2: Understand correct syntax
You must pass the guard class inside @UseGuards(), e.g., @UseGuards(AuthGuard).Final Answer:
The @UseGuards decorator is missing the guard class inside the parentheses -> Option AQuick Check:
Empty @UseGuards() means no guard applied [OK]
Quick Trick: Always pass guard class inside @UseGuards() [OK]
Common Mistakes:
- Leaving @UseGuards empty
- Misordering decorators
- Forgetting to import guard class
Master "Guards" in NestJS
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