Month: September 2025

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How to Publish a NuGet Package for Your Next.js Project NPM

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Publishing a NuGet package for your Next.js project lets you share reusable React components or utilities with the world (or your team). Here’s a quick guide on what a NuGet package is, why you’d want to create one, and how to publish and consume it.

What is a NuGet Package?

A NuGet package is a shareable bundle of code hosted on npmjs.com. For a Next.js project, this typically includes React UI components or utility functions, as Next.js-specific features like API routes or file-system routing can’t be packaged due to their server-side nature.

Why Create a NuGet Package?

  • Reusability: Share components or helpers across multiple projects.
  • Collaboration: Allow others to use your code via a simple npm install.
  • Versioning: Manage updates and dependencies with semantic versioning.

How to Create and Publish a NuGet Package

1. Set Up Your Project

Create a Next.js project (or use an existing one) and focus on components or utilities. For example, a library of reusable React components.

npx create-next-app@latest my-lib
cd my-lib

2. Configure package.json

Ensure your package.json has the correct metadata. The package name must include your npm scope (e.g., @yourname/mylib). Example:

{
  "name": "@flowiso/mylib",
  "version": "1.0.0",
  "main": "dist/index.js",
  "repository": {
    "type": "git",
    "url": "git+https://github.com/flowxcode/mylib.git"
  },
  "scripts": {
    "build": "tsc"
  }
}

Note: The package name (e.g., @yourname/mylib) doesn’t need to match your GitHub repo name. The repository field links to your GitHub repo for metadata.

3. Build Your Library

Use TypeScript or a bundler like Rollup to compile your code into a dist folder. For a simple setup, add a tsconfig.json and run:

npm install typescript --save-dev
npx tsc --init
npm run build

4. Log In to npm

Ensure you’re logged into npm with the correct account matching your scope:

npm login
npm whoami

Verify it returns yourname (e.g., flowiso).

5. Publish to npm

For scoped packages (e.g., @yourname/mylib), you must specify public access:

npm publish --access public

Your package is now live at npmjs.com/@yourname/mylib! 🎉

Pro Tip: Test locally before publishing to avoid version bumps:

npm pack
npm install ./yourname-mylib-1.0.0.tgz

⚠️ Next.js Limitation

You can’t package Next.js API routes or file-system routing. Stick to React components or utilities.

How to Consume Your Package

In another project, install your package:

npm install @yourname/mylib

Import and use it in your code:

import { MyComponent } from '@yourname/mylib';

my pkg

https://www.npmjs.com/settings/flowiso/packages

https://github.com/flowxcode/njs-core

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