jestfn
jestfn is a utility function from the Jest testing framework. It is primarily used for creating mock functions. These mock functions allow developers to track how they are called, what arguments they receive, and what they return, without needing to implement the actual logic of the function. When a function is mocked using jestfn, Jest can intercept calls to it during tests, providing valuable insights into the execution flow of the code under test.
jestfn is a fundamental part of Jest's mocking capabilities. It enables the isolation of units of code
The primary use case for jestfn is to create a callable mock. This mock can then be