5
Node.js Core Libraries
In this chapter, we delve into the core libraries of Node.js and explore the techniques for modularizing your code. JavaScript has come a long way from being limited to browsers, and Node.js has offered us new ways to structure our code. We’ll begin by understanding the historical limitations of organizing code in the browser and how they led to the development of various module systems. We’ll primarily focus on two module systems, CommonJS (CJS) and ECMAScript Modules (ESM), and discuss their usage, importation, and exportation. Achieving interoperability between these two systems is crucial, and we’ll explore strategies to make it work seamlessly.
Understanding how core libraries in Node.js are structured is key. ...
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