Resolving the TypeError in Jest: Understanding Function Exporting in Node.js

---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Jest not finding my function and complains of a TypeError

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---

The Problem: Importing Functions in Jest Tests

TypeError: validate is not a function

Despite exporting the function correctly, Jest does not recognize it when the tests are run. This can be frustrating, especially for those new to Jest or unit testing.

Structure of the Function

Here's a closer look at the function you wrote:

[[See Video to Reveal this Text or Code Snippet]]

And the way you imported it in the Jest test:

[[See Video to Reveal this Text or Code Snippet]]

Solution: Correcting the Function Import

Steps to Resolve the Issue

[[See Video to Reveal this Text or Code Snippet]]

Update the Test: After destructuring, you can continue to write your tests as intended without the TypeError:

[[See Video to Reveal this Text or Code Snippet]]

Summary

Happy coding, and may your JavaScript functions always return what you expect!