Unit Testing in Node.js and TypeScript: A Comprehensive Guide with Jest Integration

1

Yarn

A package manager such as npm, Yarn, or pnpm. A package manager is a tool that helps you manage the dependencies of your project. You can use any of these package managers to install Jest and other packages.

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2

Sinon.JS

If you are using a mocking library, such as sinon, jest-mock, or ts-mockito, make sure that it is compatible with Jest. You may need to install additional packages or configure them in your configuration file. For example, to use sinon with Jest, you can install the sinon-jest package and add the following to your configuration file:.

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3

Node.js

Node.js version 10 or higher. Node.js is a JavaScript runtime that allows you to run your code outside of the browser. You can check your Node.js version by running node -v in your terminal.

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