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Another library that I find very useful is the A.P. Status Codes, which sets up these status codes

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as constants.

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So instead of hard coding, we will import the constants from the library and then apply them in our

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responses.

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Now that is my personal preference.

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So technically, you don't have to do it.

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So if you still prefer just hard coding here, these number of hours, you can definitely do so.

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But since I'm going to add it to our application, therefore I'll go over the details and effectively,

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in my opinion, it provides more consistency in the long run.

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I have found that there's less bugs and it's also easier to read and manage the application.

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If you want to find out more info, here's the link.

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And again, the main idea has fallen where essentially you install a library app that is clear and then

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you import the constants.

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So for example, for your one, we would get created and then we would set it up in response.

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So again, that way, I don't need to remember the status codes.

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And it's easier for me to read when I'm looking at my code.

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I right away, I understand what the response is doing.

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Again, my preference, you don't have to do part.

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In my case, I will install it.

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So we start over here.

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We get the install command, which is also in Read Me Van Copy and paste the library online.

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I want to set it up in two places.

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I want to set up in the off controller as well as the air handler.

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And then at the very end we'll set up default are which at the moment might seem like a useless thing.

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But since we'll be setting up Mongo reserves in the following videos, we might as well knock it out

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right now.

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So let me go back and start up the server and line again.

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We're looking for low status codes, import from the library and online.

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We're looking for a constant.

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So where we have the response, we go with status online, for example, 400 we go status code, that's

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the import.

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And then OK.

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And again, you can read all the contents over here and which status code they reference.

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So if we go back looking for off controller and I'm going to go and import more than four status codes

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from and then of course, the library, the status codes and then instead of two on one, I'm going

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to go here with status codes, status and codes.

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And then that, OK, let's say that.

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And then once we have this in place now, let me go to my error handler and I want to do the same thing

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where essentially I'll be disappointment.

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Well, copy are very important here.

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And like I said, instead of just sending the response in this way, I'll set up the default error response.

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Essentially, an object with two properties a status quo property as well as the message.

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And again, like I said before the moment, it might seem like a useless thing brought in a few videos.

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When we add more code, you'll see why we're doing that.

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So let's start over here by creating the object.

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So default and error.

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If you want to add sponsor, you can definitely do so in my case.

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We're going to go with default.

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Are now still console.log error that still stays the same.

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And then, like I said, there's going to be two properties status code.

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And for the time being, I'm just going to go with status codes DOT online 4500, which is going to

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be our default error, which you're looking for is internal and then server error.

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And notice how they right away nicely suggest the constants for you.

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So that's the 501.

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And as far as the message, let's set up the property first.

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So let's say here message and that will be equal to a string.

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Something went wrong.

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Try again later.

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And now where I have that response, instead of setting this up as five hundred, we're going to go

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with default error.

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That's the object that and then the status code and eventually will do the same thing over here, where

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a message will be equal to a default error and message.

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But while we're still setting up the Marash errors, I actually want to send back default problems because

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it's going to be easier to manage that instead of the console.

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So that way we can right away get the full response in The Postman and I can clearly show you which

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properties we're looking for.

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So, yes, eventually this will be equal to default error and then the message.

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But for the time being, we'll still be sending back the error that we're getting as the first argument.