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Vatsalya-singhi/NestJS_Middleware_Guards_Interceptors.csv

Last active March 27, 2025 19:16
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NestJS_Middleware_Guards_Interceptors.csv
Feature Purpose Execution Timing Common Use Case
Middleware Modifies incoming requests (e.g., logging, CORS) Before reaching the controller Logging, modifying headers, request transformations
Guards Controls access based on authentication or roles Before executing the controller logic Role-based access, authentication checks
Interceptors Modifies or transforms responses (e.g., logging, caching) After controller processing Response formatting, performance monitoring, error handling
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