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Assignment 06 Task Manager API part 2
Create a new git branch called week6
. This should be created when the week5
branch is active, so that it adds to week 5’s work. If you’ve made any changes to the week5
branch due to reviews on your PR, make sure to update your week6
branch by following the instructions from Lesson 4 - Middleware, REST Methods, Postman. Continue to work in the node-express-course/03-task-manager/starter
directory. You duplicate the work of the instructor in the video.
Create a file in the starter directory called QuizAnswers2.txt
. Put answers to the following questions in it.
- In this lesson, you created a middleware function called
asyncWrapper
. Why? - Suppose that you want to make sure that both a status code and an error message are sent back to the user when they request the URL for a task that does not exist. Assume that you’ve created a
CustomAPIError
class and an error handler that references that class. Complete the code:
const getTask = asyncWrapper(async (req, res, next) => {
const { id: taskID } = req.params;
const task = await Task.findOne({ _id: taskID });
if (!task) {
// your code here
}
res.status(200).json({ task });
});
As you will see in the lessons that follow, you do not have to always create the asyncWrapper
middleware, because you can instead use an NPM package called express-async-errors
that provides the same capability.