a tool to convert from npm to maven artifact in javascript

To convert an npm package to a Maven artifact, you can use npm2maven tool, which allows you to generate a Maven POM file from a package.json file.

To use npm2maven, first install it globally using npm:

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npm install -g npm2maven
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Then navigate to your project directory and run:

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npm2maven
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This will generate a pom.xml file in the root of your project. You can customize the generated POM file using options like --groupId, --artifactId, and --version.

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npm2maven --groupId com.example --artifactId my-project --version 1.0.0
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This will generate a POM file with the following coordinates:

<groupId>com.example</groupId>
<artifactId>my-project</artifactId>
<version>1.0.0</version>
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You can then use this POM file to build your project with Maven.

Note that npm2maven does not actually download the dependencies of the npm package or package it as a JAR file. It only generates a POM file that can be used as a starting point for a Maven project. You will still need to download and package the dependencies using Maven or another build tool.