pipes
NestJS Pipes
When to Use This Skill
Use this skill when:
- Validating request data (body, query, params)
- Transforming input data (string to number, object schema)
- Parsing primitive types (int, float, boolean, UUID)
- Providing default values for optional parameters
- Sanitizing user input
- Implementing custom validation logic
- Stripping unwanted properties from DTOs
- Auto-transforming request payloads to class instances
What are Pipes?
Pipes are classes decorated with @Injectable() that implement the PipeTransform interface. They operate on the arguments being processed by a controller route handler and can:
- Transform input data to desired format
- Validate input data and throw exceptions if invalid
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