APIFeatures

APIFeatures class represents a utility for manipulating and filtering API queries.

Constructor:

• query: The mongoose query object.
• queryString: The query string object.

Methods:

1. filter()
   • Description: Filter the query based on the provided query string.
   • Returns: The modified APIFeatures object.
2. search()
   • Description: Perform a text search on the query using the provided search term.
   • Returns: The modified APIFeatures object.
3. limitFields()
   • Description: Limit the fields returned in the query result.
   • Returns: The modified APIFeatures object.
4. paginate()
   • Description: Paginate the query result.
   • Returns: The modified APIFeatures object.
5. sort()
   • Description: Sort the query result.
   • Returns: The modified APIFeatures object.