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Full-Stack React, TypeScript, and Node
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Express is basically a middleware runner for Node. But, like most things in life, a simple explanation seldom provides the information necessary to make proper use of it. So, in this section, we will explore Express and learn about its capabilities with examples.
Let's install Express onto our node-server
project. Type the following command into your terminal:
npm I express -S
This should give you an updated package.json
file that has a new dependencies section:
Figure 8.23 – Updated package.json
Now, before we start writing code, we need to understand a few things. Again, as mentioned, Express is a wrapper around Node. This means that Express already uses Node internally. So, when we write code with Express, we will not be directly calling Node. Let's see what this looks like:
expressapp.mjs
and add the following code to it:import express from "express...