Software Alternatives, Accelerators & Startups
Register | Login
D

Day.js VS React Engine

Compare Day.js VS React Engine and see what are their differences

Lucris
Financial decision-making for Shopify brands, connecting sales and marketing to show what drives profit - and what to do next. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.
Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

Day.js logo Day.js

2kB JavaScript date utility library

React Engine logo React Engine

A react render engine for Universal (previously Isomorphic) JavaScript apps written with express, by PayPal
  • Day.js Landing page
    Landing page //
    2022-06-11
  • React Engine Landing page
    Landing page //
    2023-10-02

Day.js features and specs

  • Lightweight
    Day.js is a small library, approximately 2KB in size, which makes it ideal for projects that require minimal impact on load times and performance.
  • Immutable API
    Day.js uses an immutable API which avoids modifying the original date objects. This helps in preventing unexpected side effects and makes the code more reliable.
  • Familiar API
    Day.js has an API similar to Moment.js, which makes it easier for developers who have used Moment.js to transition or use alongside Day.js.
  • Plugin System
    Day.js offers a flexible plugin system, allowing developers to add only the functionalities they need, keeping the library lightweight and customizable.
  • No Dependencies
    Day.js does not rely on any external dependencies, reducing potential vulnerabilities and keeping the code base clean.

Possible disadvantages of Day.js

  • Limited Out-of-the-box Features
    Day.js, being lightweight, offers fewer built-in features than some larger libraries like Moment.js. Developers often need to use plugins to access additional functionalities.
  • Edge Case Handling
    Day.js may not cover as many edge cases as some other more comprehensive date libraries, particularly those that deal with internationalization and timezone complexities.
  • Community and Ecosystem
    While growing, Day.js might have a smaller community and fewer third-party integrations compared to older libraries like Moment.js.
  • Time Zone Support
    Day.js has basic timezone support through plugins, but it may not be as intuitive or comprehensive as libraries specifically designed for timezone handling.

React Engine features and specs

  • Isomorphic rendering
    React Engine enables both server-side and client-side rendering of React components, providing a seamless isomorphic/universal JavaScript experience. This allows for faster initial page loads and better SEO while maintaining rich client-side interactivity.
  • Express.js integration
    React Engine is designed as a view engine for Express.js, making it easy to integrate React into existing Express-based applications with minimal configuration. It follows familiar Express conventions for setting up view engines.
  • Built-in React Router support
    The library comes with built-in support for React Router, enabling developers to easily set up server-side and client-side routing without complex manual configuration.
  • PayPal backing
    React Engine was developed and maintained by PayPal, which provided credibility and ensured it was battle-tested in a large-scale production environment before being open-sourced.
  • Simplified setup
    The library abstracts away much of the complexity involved in setting up server-side rendering with React, reducing boilerplate code and allowing developers to get a universal React application running quickly.

Possible disadvantages of React Engine

  • Abandoned project
    The repository appears to be no longer actively maintained, with no recent commits or updates. This makes it risky to use in production as bugs and security vulnerabilities may go unpatched.
  • Outdated dependencies
    React Engine was built for older versions of React and React Router. It may not be compatible with modern versions of React (16+, 17, 18) or React Router (v5, v6), limiting its usefulness in current projects.
  • Limited ecosystem support
    The library is tightly coupled to Express.js, meaning it cannot be easily used with other Node.js frameworks like Koa, Hapi, or Fastify, reducing its flexibility.
  • Better modern alternatives
    Modern tools like Next.js, Remix, and Vite with SSR plugins provide far more comprehensive and well-maintained solutions for server-side rendering with React, making React Engine largely obsolete.
  • Limited documentation and community
    The project has relatively sparse documentation and a small community, making it difficult for new developers to troubleshoot issues or find examples and best practices for advanced use cases.

Analysis of React Engine

Overall verdict

  • Unable to verify a project specifically named 'React Engine' on GitHub with confidence, as this does not correspond to a widely recognized or well-documented open-source project that I have reliable information about. There may be multiple small or niche repositories using this name, and quality would vary significantly between them.

Why this product is good

  • React Engine is not a commonly recognized name in the mainstream React ecosystem
  • No verifiable consensus data on stars, maintenance status, documentation quality, or community adoption is available
  • Could refer to a personal project, a boilerplate, a rendering engine, or a niche tool - without more context, its quality cannot be assessed
  • Names like this are sometimes used for student projects, abandoned repos, or experimental tools that lack production readiness

Recommended for

  • Not recommended without further verification
  • Developers should search GitHub directly, check star count, last commit date, open issues, and documentation before adopting
  • Best suited for evaluation on a case-by-case basis rather than a blanket recommendation
  • If you have a specific repository URL, sharing it would allow for a more accurate assessment

Category Popularity

0-100% (relative to Day.js and React Engine)

Day.js

React Engine

Javascript UI Libraries
100 100%
Javascript UI Libraries
0% 0
Office & Productivity
0 0%
Office & Productivity
100% 100
JS Library
100 100%
JS Library
0% 0
Document Automation
0 0%
Document Automation
100% 100

User comments

Share your experience with using Day.js and React Engine. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, Day.js seems to be a lot more popular than React Engine. While we know about 43 links to Day.js, we've tracked only 1 mention of React Engine. 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.

Day.js mentions (43)

  • Three Ways to Convert JSON to TypeScript. Only One Is Deterministic.
    Date strings. ISO 8601 timestamps like "2026-04-27T10:00:00Z" are string to the converter. If you're parsing them with date-fns or dayjs, you'll want to change those to Date in your final types. - Source: dev.to / 4 months ago
  • JavaScript Awesome Package
    Dayjs - Fast 2kB alternative to Moment.js with the same modern API. - Source: dev.to / 7 months ago
  • Dates in JS
    I think the JS Date class should be avoided for anything related to DateTime. Instead, use one of the established libraries: Moment.js or Day.js. And in the near future, use the successor of Date, the new Temporal API. - Source: dev.to / 10 months ago
  • Getting started with Zustand state management for React
    In keeping with our functional style of programming, we create a new array with the added or removed bookmark each time we add or remove one. Note I have added a third key/value pair to the bookmarks array, dateAdded, but you can disregard that. If you do want this same functionality don't forget to install and import Day.js. Next I will add the partial persistence code:. - Source: dev.to / over 1 year ago
  • Say Goodbye to JavaScriptโ€™s DST Date Confusion
    These issues can also occur in date-time libraries such as moment.js, date-fns, Day.js, and luxon. - Source: dev.to / over 1 year ago
View more

React Engine mentions (1)

  • react-engine vs other template engines
    I was wondering to use paypal's React Engine (https://github.com/paypal/react-engine), but I have some doubts:. Source: over 4 years ago

What are some alternatives?

When comparing Day.js and React Engine, you can also consider the following products

date-fns - date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.

Moment.js - Parse, validate, manipulate, and display dates in JavaScript

Luxon - Application and Data, Libraries, and Javascript Utilities & Libraries

js-Joda - Immutable date and time library for JavaScript

Next.js - A small framework for server-rendered universal JavaScript apps

Nuxt.js - Nuxt.js presets all the configuration needed to make your development of a Vue.js application enjoyable. It's a perfect static site generator.

Loading...