Tip #47[HttpStatusCode enum]

Let’s assume that you want to fetch a resource having a unique identifier. If a server returns a response with 404 status code, you may want to return a fallback value, otherwise let the error propagate:

It works as expected, however it’s not a good idea to introduce magic number in your codebase, therefore it’s recommended to extract the 404 status code into a constant:

If you use Angular, you don’t need to create and maintain the file containing http status codes, since a corresponding enum (HttpStatusCode) is available out of the box:

Live example:

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