Creating an Emoji Middleware Component

With the rise of emoticons…sorry, emojis…in the 2000s, a number of legacy websites use the old-style of text-based emoticons instead of the more modern emojis. Legacy Content Management Systems (CMSs) must have a lot of these text-based characters in their content. To update a website’s content to replace all of these emoticons with proper emojis sounds extremely time-consuming.

In this section, we’ll apply our standards in creating an emoji Middleware component where, if it detects a text-based emoticon, it’ll convert it to a more modern emoji.

Encapsulating the Middleware

With this new Middleware component, we want to create it in its own class in EmojiMiddleware.cs.

Here is the first draft of our component:

public class EmojiMiddleware
{
    private readonly ILogger _logger;
    private readonly RequestDelegate _next;
    public EmojiMiddleware...