NestJS - Pipes
You want to reject requests missing some required properties but allow partial updates with
ValidationPipe. Which option combination achieves this?You want to reject requests missing some required properties but allow partial updates with ValidationPipe. Which option combination achieves this?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand skipMissingProperties
This option allows validation to ignore missing properties, useful for partial updates (PATCH).Step 2: Differentiate full vs partial validation
For full validation (POST), omit this option to require all properties; for partial, enable it.Final Answer:
UseskipMissingProperties: truefor partial updates, omit it for full validation -> Option BQuick Check:
skipMissingProperties true allows partial validation [OK]
Quick Trick: skipMissingProperties true = partial validation allowed [OK]
Common Mistakes:
- Using whitelist to control missing properties
- Confusing forbidNonWhitelisted with missing properties
- Disabling transform expecting to skip missing
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