Publishing a TypeScript Library

But as you may know, TypeScript needs to be compiled down to JavaScript in order to work on both browsers and servers. So what do we need to do in order to publish our library to npm?

Let’s start with the obvious: initialize your library!
We’ll build a simple library called JScream, which will just transform any sentence into a “scream”.

Pretty useless I know, but we need to focus on how to publish and test it the right way!

Let’s initialize our JScream app using npm. Answer every prompted question and you’ll come up with a similar package.json file:

Great! Now we need to create our tsconfig.json file, which contains the required instructions for the TypeScript compiler:

The compiled JavaScript output will be written inside the dist directory, which will be created from the compiler itself.
The compiler will also write a type declaration file, so if we need to import this library as a dependency, we’ll have access to its…

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