import-maps VS single-spa

Compare import-maps vs single-spa and see what are their differences.

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import-maps single-spa
45 49
2,645 13,116
0.6% 0.6%
3.1 5.8
7 months ago 14 days ago
JavaScript JavaScript
GNU General Public License v3.0 or later GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

import-maps

Posts with mentions or reviews of import-maps. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-22.
  • It is hard to avoid JavaScript
    1 project | news.ycombinator.com | 25 Feb 2024
    Long time huge fan of JS. I appreciate your calling out the multi-paradigm aspect; having these first class functions & prototype based inheritance has been so flexible.

    TC39 has done a great job shaping the language over the years. New capabilities are usually well thought out & integrate well. Async await has been amazing.

    The one major miss that makes me so sad and frustrated is modules; js has gotten better everywhere except it's near requirement for build tooling. Being able to throw some scripts on a page and go is still an unparalleled experience in the world, is so direct & tactile an experience. EcmaScript Modules was supposed to improve things, help get us back, but imports using url specifiers made the whole thing non-modular, was a miss. We're still tangled & torn. Import-maps has finally fixed but it's no where near as straightforward, and it still doesn't work in workers, which leaves us infuriatingly shirt of where the past was. https://github.com/WICG/import-maps/issues/2

  • 'Mother of all breaches' data leak reveals 26B account stolen records
    1 project | news.ycombinator.com | 26 Jan 2024
    makes sure your app is getting the download it expects. Adoption is probably pretty minimal though. https://developer.mozilla.org/en-US/docs/Web/Security/Subres...

    I think the big thing making this unlikely though is that very few folks use cdns these days. We designed ESM as a module system for the language, but then took a good fraction of a decade to build import-maps, to let us actually use modules in a modular way. Good news, we can finally use modules modularly! https://caniuse.com/import-maps

    Bad news? Oh import-maps only works for the simplest case. Doesn't work in webworkers/service workers. https://github.com/WICG/import-maps/issues/2

    The point is that single page apps almost always are bundled together, as using CDNs hasn't even been technically possible.

    Also, CDNs are kind of somewhat pointless, now that http caches are partitioned by origin (for security reasons). They might have better anycast infrastructure to get the content out faster, but without the caching there's no inherent advantage. The user will download the same jquery file again in each site they go to, no already having it cached anymore. Bah humbug!

  • Rails Frontend Bundling - Which one should I choose?
    5 projects | dev.to | 22 May 2023
  • ESM dynamic imports
    1 project | /r/Angular2 | 16 May 2023
  • JavaScript import maps are now supported cross-browser
    14 projects | news.ycombinator.com | 3 May 2023
    https://github.com/WICG/import-maps/issues/2
  • We Added Package.json Support to Deno
    2 projects | news.ycombinator.com | 20 Mar 2023
    Bare specifiers has been the tragedy of ESM. Nice module syntax... that is utterly u deoyable & which has had to have awful de-modularizing specifiers hard-coded into each file to make it work. Abominable sin to introduce "modules" to JS/es2015 then spend a decade dragging everyone along with no story for how to have modular modules.

    Import-maps are like "here" to fix this on the web... finally... except they only are shipping to the happiest sunniest easiest case, with Web Workers being totally shit out of luck in spite of some very simple straightforward suggested paths forward. https://github.com/WICG/import-maps/issues/2

    I think Deno is making pretty good tradeoffs along the way here. This looks like package.json at surface level, but there is a nightmare of complexity under the surface. Typescript, ESM, cjs all have various pressures they create & in Node it's just incredibly tight & tense dealing with packaging, where-as Deno's happy path of Typescript first does not slowly tatters one over time. It really has been super pleasant being free of the previous world, and having something much more web-platform centric, more intented, with less assembly & less building, and more doing the actual coding.

    I really hope import-maps eventually get broader support. Maybe this long-dwelling webworker issue should be brought up with WinterCG.

  • Import maps 101
    3 projects | dev.to | 10 Jan 2023
    Import maps proposal
  • You Might Not Need Module Federation: Orchestrate your Microfrontends at Runtime with Import Maps
    8 projects | dev.to | 5 Jan 2023
    The concept of Import Maps was born in 2018 and made its long way until it was declared a new web standard implemented by Chrome in 2021 and some other browsers.
  • Getting an "import file" syntax right for ArkScript
    1 project | /r/ProgrammingLanguages | 24 Nov 2022
    For package managers, you can use something like import maps to let the user specify which path points to what package, and resolve it properly.
  • Deno 1.28: Featuring 1.3M New Modules
    12 projects | news.ycombinator.com | 14 Nov 2022
    Huh. I was about to complain that this breaks with web standards, but apparently it's being proposed as a standard feature: https://github.com/WICG/import-maps

    Interesting!

single-spa

Posts with mentions or reviews of single-spa. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-13.
  • Managing View State and Client-side Routing in SPAs
    1 project | dev.to | 1 May 2024
    At JupiterOne, we've made a significant transition from a monolithic frontend to a distributed frontend architecture using microfrontends, powered by (single-spa-react)[https://single-spa.js.org/]. This architectural shift has brought many benefits, such as lazy loading sections of the app and accelerating our development cycle. However, like any significant change, it has also come with its set of challenges.
  • Micro frontend frameworks in 2024
    6 projects | dev.to | 13 Mar 2024
    Single-SPA Framework - One of the most popular choices. It has a large community behind it and offers robust routing and lifecycle management for microapps. Ref - https://single-spa.js.org/
  • ⏰ It’s time to talk about Import Map, Micro Frontend, and Nx Monorepo
    9 projects | dev.to | 11 Mar 2024
    Joel Denning is the visionary behind single-spa, boasting profound insights into the true mechanics of the web and is, in my view, a pioneer in micro frontend architecture. I highly recommend checking the single-spa website and his YouTube channel. While the videos might appear dated at first glance, rest assured, Joel is ahead of his time, and the content remains incredibly relevant today.
  • Single-SPA and Svelte advices.
    1 project | /r/sveltejs | 10 Dec 2023
    You got me curious and I found that single spa is something new to me - if I read https://github.com/single-spa/single-spa then I reckon you can use Svelte(Kit) in such framework - like you can use angular etc
  • Speed Run de MicroFrontends com Single-SPA (any%)
    3 projects | dev.to | 24 Nov 2023
  • Use web components for what they’re good at
    8 projects | news.ycombinator.com | 23 Aug 2023
    I’ve actually done that “web components as the interoperability layer”!

    It was this old angular 1.8 app with new features being written in angular-hybrid-ized angular 8. Ripping out angular-hybrid and separating the angular 1.8 routes from the modern angular routes was difficult, but now they were totally separate.

    The only thing linking them together was an object with some RXJS streams in it for state, and a little in-house wrapper “app” who just loaded one component or another depending on the URL and a hash of routes for config. (I’d probably use SingleSPA [1] now. Same thing really.)

    We could deploy them separately since the build just ends up being another JS file somewhere that just gets included with a script tag at runtime. No version bumping! No big mega build!

    We started replacing the remaining “old” routes 1 by 1 with a “new” counter part. That was the easiest part, and went at a pace devs were comfortable with (fast enough) and business folk could tolerate. (modular enough to not HAVE to be done all at once)

    Last I checked, the angular 1.8 stuff is gone years ago. :)

    [1] https://single-spa.js.org/

  • Micro-frontend with Module Federations [Part 1] - Vite
    2 projects | dev.to | 14 Jun 2023
    Module Federation is not the unique solution, for example single-spa
  • Vue 2 EOL
    1 project | /r/vuejs | 30 May 2023
    You may want to look into using single-spa to run Vue 2 and Vue 3 side by side while you're migrating. Once your app is fully converted, you can stop using single-spa
  • Angular et micro front-end : conseils et à la recherche d'un bon tuto
    3 projects | /r/programmation | 25 May 2023
  • Building a Large Scale Micro-frontend Application.
    2 projects | dev.to | 3 Apr 2023
    Single-SPA and module federation are potent tools for building scalable micro-frontends. Single-spa provides a framework for building a modular front-end application. It allows lazy loading of micro-frontends, which helps improve the application's performance. In contrast, module federation enables communication and dependency sharing between different micro-frontends. It reduces code duplication, which can help with scaling an application.

What are some alternatives?

When comparing import-maps and single-spa you can also consider the following projects:

esbuild - An extremely fast bundler for the web

nx - Smart Monorepos · Fast CI

es-module-shims - Shims for new ES modules features on top of the basic modules support in browsers

Bit - A build system for development of composable software.

importmap-rails - Use ESM with importmap to manage modern JavaScript in Rails without transpiling or bundling.

qiankun - 📦 🚀 Blazing fast, simple and complete solution for micro frontends.

esm.sh - A fast, smart, & global CDN for modern(es2015+) web development.

piral - Framework for next generation web apps using micro frontends. :rocket:

deno - A modern runtime for JavaScript and TypeScript.

FrintJS - Modular JavaScript framework for building scalable and reactive applications

You-Dont-Need-Momentjs - List of functions which you can use to replace moment.js + ESLint Plugin

lerna - :dragon: Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
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Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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