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Kotlin - How to import node packages?

I am developing a web application using Kotlin to build its front-end.

I want to be able to import npm packages so I can use them in my Kotlin code. I can't find an example on how to do this. There are examples on how to generate npm packages from Kotlin, but not how to USE them in your Kotlin code.

I would also be happy if I could import Java libraries, use them in my Kotlin code and compile it down to JavaScript, but that does not seem to be possible yet, which is why I want to import npm code instead.

2 Answers
2

Kotlin front-end Gradle plugin does just what you are asking.

You can add NPM dependencies to the Gradle build as:

kotlinFrontend
npm
dependency "style-loader" // production dependency
devDependency "karma" // development dependency




And there are even full stack examples using this.

assuming you'd want the equivalent of

import Express from "express"


you would do this in Kotlin

@JsModule("express")
external class Express // if Express is a class in its module


which means, if its a function you are looking for say

import dollface from "dolly"


you would define it in kotlin as

@JsModule("dolly")
external fun dollface(faceColor: String)


See more elaborations here

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