missionary
component
missionary | component | |
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24 | 13 | |
605 | 2,068 | |
- | 0.0% | |
7.8 | 0.0 | |
12 days ago | about 2 years ago | |
Clojure | Clojure | |
Eclipse Public License 2.0 | MIT License |
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missionary
- Humble Chronicles: Managing State with Signals
- Is there a reframe/cljfx-like subscription/memoization-context library available?
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[Blog] The Web Before Teatime
I think the reactive query problem is more of a spectrum of tradeoffs, there's a middle ground between "full page refresh on nav" and "refresh all query subscriptions per user per tx". Truly realtime things like chat come from a streaming event source (not a database) and even in a chat app, most of the information coordinates on a page is slow moving. So really this is about regaining control over concurrent data flow so we can sample different views at different speeds. See technologies like https://github.com/leonoel/missionary.
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Comparison of manifold and clojure.core.async
I wonder if anyone can compare these to missionary?
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Is there a general IO library built to work with core.async?
related: https://github.com/leonoel/missionary
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Structuring Clojure Applications
- https://github.com/leonoel/missionary
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IO/async monad without the indirect monadic style: Possible? needed?
https://github.com/leonoel/missionary has excellent syntax, it uses a macro to extend regular clojure syntax with monadic join operator – basically turning clojure sexprs into do-notation
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What are the essential libraries to learn for web dev
I recommend having a look at missionary - it is probably the most essential library in our application. But it depends on what type of application you are building.
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UIs are streaming DAGs
Process supervision is what Missionary implements: https://github.com/leonoel/missionary
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Questions about Rich Hickey's comments on static types
Agree - mostly the opinions are just dated, in 2005-2012 the pure FP world (especially Scala) was in rough shape but then in 2018 Maybe Not (the really controversial talk about "Maybe Sheep") it didn't seem like he had taken the time to understand haskell. I would love to see how his opinions have evolved since then, in the 2017 interview with fogus he said "If I had more free time, I’d spend it with Haskell". Haskell has especially come a long way in 2018-2022 with the popularization of functional effect systems which are extraordinarily powerful; for example https://github.com/leonoel/missionary (2020-2022) is the best Clojure effect system and is a leap forward over core.async (2013), but that 9 year difference is a lifetime in CS
component
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A History of Clojure (2020) [pdf]
* Lifecycle management: Mount, Integrant or Component (https://github.com/tolitius/mount https://github.com/weavejester/integrant and https://github.com/stuartsierra/component)
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Generic functions, a newbie question
When you start to have multiple stateful components (the database, the HTTP server, your Redis connection, a page cache, etc.), then you'll want to use a library like component that manages their (inter-)dependencies and provides a consistent notion of lifecycle.
- What makes Clojure better than X for you?
- Clojure needs a Rails, but not for the reason you think
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[ANN] Reveal Pro 1.3.308 — sticker windows for system libraries (component, integrant, mount)
Today I released a new version of Reveal Pro — dev.vlaaad/reveal-pro {:mvn/version "1.3.308"} — that adds sticker integration for system libraries such as mount, component and integrant!
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Printf(“%s %s”, dependency, injection)
I agree with the main sentiment from the article. Although I do think they are discussing Inversion of control more-so than dependency injection.
One of my first languages was .net and I was never able to really understand DI in that context that well.
Actually using javascript and ducktyping made me understand what it actually was.
I remember a .net job interview where I had to write a micro-service and opted to construct the dependency graph in the main function initialising "all" the classes there. Instead of discussing the pro's and con's of that approach they berated me for not using a DI framework (No I did not land that job, but in hindsight it was the most expensive job interview I've ever had. The room was filled with 8 developers going over my code).
The main thing the article glosses over is state. something people with a functional background hide from. But if you look at something like the httpclient in .net. I think it took the .net world like 10 years to start using the httpclient properly. Scope and lifetime of those kind of objects are important. managing connection pools, retry state, throttling or the incoming http request. DI does make that kind of thing easieR (I'm not saying it makes it better)
Look at clojure's component(https://github.com/stuartsierra/component), I'm not a clojure expert by far. But it is kinda DI/IOC in a functional language.
In closing we can agree that it is underused in the right places and overused in the wrong ones.
- Forcing engineers to release by some arbitrary date results in shipping unfinished code - instead, ship when the code is ready and actually valuable
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How to pass components across functions
https://github.com/stuartsierra/component#no-function-should-take-the-entire-system-as-an-argument
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There are a *lot* of actor framework projects on Cargo.
Yeah like I mentioned I'm not like super sold on the everything-should-be-an-actor paradigm, but I find value in DDD + a light implementation of Components (similar to stuartsierra/component).
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Essential libraries?
https://github.com/stuartsierra/component for managing components lifecycles in projects
What are some alternatives?
awesome-clojure - A curated list of awesome Clojure libraries and resources. Inspired by awesome-... stuff
integrant - Micro-framework for data-driven architecture
honeysql - Turn Clojure data structures into SQL
reitit - A fast data-driven routing library for Clojure/Script
react-grid-layout - A draggable and resizable grid layout with responsive breakpoints, for React.
mount - managing Clojure and ClojureScript app state since (reset)
ultra - A Leiningen plugin for a superior development environment
malli - High-performance data-driven data specification library for Clojure/Script.
manifold - A compatibility layer for event-driven abstractions
Luxon - ⏱ A library for working with dates and times in JS