It does this by creating namespace objects for all imports.įor in-depth information about all the options available, I recommend checking the TypeScript TSConfig Reference. Strict: enabled by default, this toggles strict type-checking options.ĮsModuleInterop: this option is true by default it controls interoperability between CommonJS and ES modules. RootDir: specifies where the TypeScript files are located. OutDir: with this option, we can specify where to output the “vanilla” JavaScript code. The most common module manager and the default one is commonjs. You can choose between the following values none, commonjs, amd, system, umd, es2015, es2020, or ESNext. Module: with this option, you can specify which module manager to use in the generated JavaScript code. You set the target to ES5 and then you use arrow functions, the code is compiled to an equivalent ES5 function.
Target: using this option, you can specify which ECMAScript version to use in your project. Newly created file will contain a lot of code, most of which is commented out. Running the above command creates the tsconfig.json file where we can customize the TypeScript configuration. Run the following commands to create anĮmpty directory called typescript-nodejs, and change the current directory to it: The first step is to create a directory for the project and initialize it. Is using, or plans to use, Node.js version 12 or greater.Has a basic knowledge of TypeScript, Node.js, and Express.Not to advocate or debate the merits of using TypeScript.īefore getting started, note that this article assumes the reader:
#NODEJS TYPESCRIPT HOW TO#
Note that the purpose of thisĪrticle is to demonstrate how to create a project with the mentioned frameworks and programming language. In this tutorial, you will learn how to use TypeScript in a Node.js and Express project. He’s currently an engineer at TypingDNA, working on applying keystroke dynamics as aĬheck out more of his work on catalins.tech
#NODEJS TYPESCRIPT SOFTWARE#
How to Use TypeScript in a Node.js and Express Project About the is a software engineer, AWS community builder and technical