NestJS - Interceptors
What does the intercept method in a NestJS interceptor receive as its first argument?
What does the intercept method in a NestJS interceptor receive as its first argument?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the intercept method signature
The intercept method always receives two arguments: ExecutionContext and CallHandler.Step 2: Identify the first argument
The first argument is the ExecutionContext, which provides details about the current request lifecycle.Final Answer:
ExecutionContext object -> Option BQuick Check:
intercept first argument = ExecutionContext [OK]
Quick Trick: intercept always starts with ExecutionContext first [OK]
Common Mistakes:
- Confusing CallHandler as first argument
- Thinking request or response objects are direct arguments
- Mixing up argument order
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