Software Alternatives, Accelerators & Startups

rollup.js VS Sencha Ext JS

Compare rollup.js VS Sencha Ext JS and see what are their differences

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rollup.js logo rollup.js

Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.

Sencha Ext JS logo Sencha Ext JS

Sencha Ext JS is the most comprehensive JavaScript framework for building data-intensive, cross-platform web and mobile applications for any modern device. Ext JS includes 140+ pre-integrated and tested high-performance UI components.
  • rollup.js Landing page
    Landing page //
    2023-02-09
  • Sencha Ext JS Landing page
    Landing page //
    2023-07-24

rollup.js features and specs

  • Tree Shaking
    Rollup.js performs treeshaking to eliminate dead code, resulting in smaller bundle sizes. It analyzes the dependency tree and includes only the parts of the code that are actually used.
  • Output Formats
    Supports multiple output formats including ES modules, CommonJS, AMD, UMD, and IIFE. This makes it versatile for different use cases.
  • Plugins
    Rollup.js has a rich ecosystem of plugins that extend its functionality, such as code transformation, minification, and support for various types of modules.
  • Code Splitting
    Supports code splitting, allowing you to break your code into smaller chunks that can be loaded on demand. This improves performance for larger projects.
  • Efficient Bundling
    Offers efficient bundling by removing duplicates and ensuring that each module gets included only once, which contributes to reduced bundle size.
  • Minimal Configuration
    Generally requires minimal configuration to get started, focusing on simplicity and ease of use.

Possible disadvantages of rollup.js

  • Learning Curve
    Although relatively simple to use, there is still a learning curve associated with understanding its configuration and the plugin system.
  • Initial Build Time
    The initial build time can be slower compared to some other bundlers, particularly for larger projects.
  • Limited Built-in Features
    Rollup.js focuses on being a minimalist tool, so it lacks some of the built-in features that other bundlers may have. Often, additional functionality needs to be added via plugins.
  • Plugin Compatibility
    Not all plugins work seamlessly with Rollup.js, and there may be occasional compatibility issues, especially with plugins originally designed for other bundlers.
  • Node.js Ecosystem
    While Rollup.js excels in bundling for browsers, it is not as commonly used for Node.js applications compared to other tools like Webpack.
  • Community Size
    The community size is smaller compared to other bundling tools like Webpack, which can sometimes make finding solutions to issues more challenging.

Sencha Ext JS features and specs

  • Comprehensive Component Library
    Sencha Ext JS offers a wide range of ready-to-use components including grids, charts, forms, and more, which significantly reduces development time.
  • Robust Data Package
    Provides a powerful data package that allows developers to use standard CRUD operations and easily manage data collections and models.
  • Cross-browser Compatibility
    Ensures consistent appearance and behavior across all major browsers including IE, Firefox, Chrome, Safari, and Opera.
  • MVC/MVVM Architecture
    Supports Model-View-Controller and Model-View-ViewModel architectures, promoting a clean separation of concerns and more maintainable code.
  • Extensive Documentation and Support
    Comes with comprehensive documentation, community forums, and professional support options that help developers quickly resolve issues.
  • Built-in Theming
    Offers a robust theming system that allows easy customization of the look-and-feel to match company branding or specific application requirements.
  • Enterprise-grade Features
    Includes enterprise features like advanced data analytics, pivot grids, and D3 visualizations, making it suitable for complex applications.

Possible disadvantages of Sencha Ext JS

  • Costly Licensing
    Sencha Ext JS is a commercial product with licensing fees, which can be expensive for small businesses and individual developers.
  • Steep Learning Curve
    The framework is feature-rich and complex, meaning that new developers may find it challenging to learn and start using effectively.
  • Large Library Size
    The extensive range of features and components leads to a large library size, which can be a concern for performance and load times.
  • Lower Popularity
    Sencha Ext JS is not as widely used as some other frameworks like React or Angular, resulting in a smaller community and fewer third-party resources.
  • Complex Integration
    Integrating Sencha Ext JS with other modern frameworks or libraries can be complex, requiring more effort to make them work together seamlessly.
  • Limited Flexibility
    Ext JS enforces a particular structure and design philosophy, which might limit flexibility and creativity for developers who prefer a more modular approach.
  • Performance Overhead
    The framework's extensive capabilities and features can sometimes introduce performance overhead, particularly in very high-performance or resource-constrained environments.

Analysis of rollup.js

Overall verdict

  • Rollup.js is a highly recommended choice for projects where ES6 modules are extensively used, and the goal is to produce compact and clean output. It's particularly beneficial for library authors aiming to provide their libraries in multiple formats.

Why this product is good

  • Rollup.js is good due to its efficient bundling process that helps in creating smaller and faster JavaScript files. It uses ES6 modules which enable better tree shaking and helps in removing unused code, leading to cleaner and more optimized builds. Additionally, Rollup has a simple and modular architecture that can be extended with plugins to support various build processes and features.

Recommended for

  • JavaScript library authors
  • Developers prioritizing ES6 module syntax
  • Projects that require efficient tree shaking
  • Those needing a customizable and streamlined bundling process

Analysis of Sencha Ext JS

Overall verdict

  • Sencha Ext JS is a solid choice for developers needing a feature-rich framework capable of building and maintaining enterprise-level applications. However, it might not be the best fit for those who prefer a more lightweight or modular approach, as it can be more resource-intensive compared to other frameworks.

Why this product is good

  • Sencha Ext JS is a comprehensive JavaScript framework known for its rich set of UI components, making it suitable for building complex web applications.
  • It offers features such as data binding, a powerful layout system, and cross-browser compatibility, which can help speed up development time.
  • Sencha provides extensive documentation and support, which can be invaluable for developers when they encounter issues or need to dive into complex features.
  • The framework has a strong focus on enterprise-grade applications, making it a robust choice for large-scale projects.

Recommended for

  • Enterprise application developers looking for a comprehensive set of components.
  • Development teams that require extensive documentation and support.
  • Projects where a robust, scalable framework is necessary to handle complex UI requirements.

rollup.js videos

No rollup.js videos yet. You could help us improve this page by suggesting one.

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Sencha Ext JS videos

LinkRest „ Modern RESTful API Framework for Building Ext JS Applications

More videos:

  • Review - Testing Ext JS & Sencha Touch with Siesta
  • Demo - Sencha Ext JS Weekly Product Demo

Category Popularity

0-100% (relative to rollup.js and Sencha Ext JS)
Web Application Bundler
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
JS Build Tools
100 100%
0% 0
JavaScript Framework
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare rollup.js and Sencha Ext JS

rollup.js Reviews

Rollup v. Webpack v. Parcel
Rollup provides much simpler configuration over webpack 4 and has a host of pre-configured plugins that are a breeze to incorporate into your project. Rollup's also the fastest of the build tools period.
Source: x-team.com

Sencha Ext JS Reviews

Top JavaScript Frameworks For Mobile App Development
Sencha Touch has now been merged with Sencha Ext JS. Sencha Ext JS has been one of the most effective JavaScript frameworks to create cross-platform mobile applications. It consists of well tested and good performance UI components like pivot grid, trees, lists, forms, HTML5 calendar, D3 adapters, etc. that help in getting the best of results.
Source: medium.com
Top Cross-Platform App Development Frameworks
However, when it comes to integrating 3rd party libraries, Sencha Ext JS acts as a barrier. Also, looking at the price point, Sencha Ext JS is expensive.
Source: www.pangea.ai

Social recommendations and mentions

Based on our record, rollup.js seems to be more popular. It has been mentiond 62 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

rollup.js mentions (62)

  • JavaScript is so redundant
    Why are there so many JavaScript build tools? Gulp, Grunt, Webpack, Laravel Mix, Rollup.js, and now Vite. And these are just the ones that I've worked with. Haven't we solved this problem? And why build a new tool? Why not improve existing tools? - Source: dev.to / 16 days ago
  • ⚔️ Vite vs. Turbopack in 2025: Which One to Choose?
    Vite (pronounced veet) was created by Evan You (Vue's creator) and launched in 2020. It uses native ES modules in the browser and esbuild for lightning-fast dev servers and Rollup for optimized production builds. - Source: dev.to / 20 days ago
  • Valentine’s Day Breakup: React Dumps Create React App
    Vite is a modern frontend build tool used to develop fast and super efficient web applications. It serves files instantly and ensures that changes are updated immediately after they are implemented. It makes use of Rollup for optimized builds and has support for when you want to build a Javascript library (instead of a full app). - Source: dev.to / 3 months ago
  • Advanced Guide to Using Vite with React in 2025
    In 2025, mastering Vite for your React projects means leveraging powerful configurations, intelligent optimizations, and a robust plugin ecosystem. By understanding Vite’s modern architecture—native ES modules (ESM) during development and optimized Rollup bundling for production—you can significantly streamline your workflow, improve developer experience, and deliver fast, performant applications at scale. - Source: dev.to / 3 months ago
  • Optimizing React Development with Vite🤩.
    6. Production-Ready Code Vite uses Rollup for production builds, which optimizes the code by bundling it efficiently, performing tree shaking, and minifying JavaScript. This results in smaller, optimized production builds that are ready for deployment. - Source: dev.to / 6 months ago
View more

Sencha Ext JS mentions (0)

We have not tracked any mentions of Sencha Ext JS yet. Tracking of Sencha Ext JS recommendations started around Mar 2021.

What are some alternatives?

When comparing rollup.js and Sencha Ext JS, you can also consider the following products

Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.

Parcel - Blazing fast, zero configuration web application bundler

Vue.js - Reactive Components for Modern Web Interfaces

npm - npm is a package manager for Node.

React - A JavaScript library for building user interfaces