Does it support dual-package exports?

Absolutely. It configures your package.json 'exports' field to ensure seamless compatibility between ESM and CommonJS environments.

Can it automate the publishing process?

Yes, it manages the entire lifecycle including semantic versioning, changelog generation, and pre-publish validation checks.

How does it handle bundle optimization?

It implements advanced strategies including tree-shaking, code-splitting, minification, and dependency externalization to minimize final package size.

Can it help with TypeScript libraries?

Yes, it automatically configures tsconfig, generates type declarations (.d.ts), and ensures declaration maps for better IDE navigation.

Which build tools does this skill support?

It provides optimized configurations for tsup, Vite, Rollup, esbuild, and Webpack, depending on your project's specific needs.

Library Bundler & Publisher

Name: Library Bundler & Publisher
Author: deve1993

bydeve1993

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Deployment & DevOps

Optimizes JavaScript build systems, manages multi-format exports, and automates NPM publishing workflows for modern libraries.

About

The Library Bundler skill provides an expert-level framework for building and distributing high-performance JavaScript and TypeScript packages. It automates the complex configuration of tools like Vite, Rollup, and tsup, ensuring your code is correctly bundled for ESM, CommonJS, and UMD environments. Beyond bundling, it streamlines the entire publishing lifecycle, from tree-shaking optimization and bundle size analysis to semantic versioning and NPM registry management, making it an essential tool for library maintainers and frontend architects.

Key Features

Advanced tree-shaking and bundle size optimization
NPM publishing workflow with semantic versioning (SemVer)
Integration with modern tools like Vite, Rollup, and tsup
1 GitHub stars
Automated TypeScript declaration (.d.ts) generation
Multi-format export configuration (ESM, CJS, UMD, IIFE)

Use Cases

Automating versioning and changelog generation for consistent NPM releases.
Transforming a local component directory into a production-ready React UI library.
Updating legacy packages to support modern ESM-first dual-package exports.

About

Key Features

Advanced tree-shaking and bundle size optimization
NPM publishing workflow with semantic versioning (SemVer)
Integration with modern tools like Vite, Rollup, and tsup
1 GitHub stars
Automated TypeScript declaration (.d.ts) generation
Multi-format export configuration (ESM, CJS, UMD, IIFE)

Use Cases

Automating versioning and changelog generation for consistent NPM releases.
Transforming a local component directory into a production-ready React UI library.
Updating legacy packages to support modern ESM-first dual-package exports.