react-websocket
Immer
react-websocket | Immer | |
---|---|---|
1 | 142 | |
351 | 26,970 | |
- | 0.6% | |
0.0 | 7.1 | |
about 2 years ago | 3 days ago | |
JavaScript | JavaScript | |
MIT License | MIT License |
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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.
react-websocket
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WebSocket connection between reactjs Client and flask-socketio Server doesn't open
from flask_socketio import SocketIO, emitapp = Flask(__name__)app.config['SECRET_KEY'] = 'secret!'socketio = SocketIO(app)... # Server functionality for receiving and storing data from elsewhere, not related to the websocket# Handle the webapp connecting to the [email protected]('connect')def test_connect(): print('someone connected to websocket') emit('responseMessage', {'data': 'Connected! ayy'})# Handle the webapp connecting to the websocket, including namespace for [email protected]('connect', namespace='/devices')def test_connect2(): print('someone connected to websocket!') emit('responseMessage', {'data': 'Connected! ayy'})# Handle the webapp sending a message to the [email protected]('message')def handle_message(): print('someone sent to the websocket')# Handle the webapp sending a message to the websocket, including namespace for [email protected]('message', namespace='/devices')def handle_message2(): print('someone sent to the websocket!')@socketio.on_error_default # handles all namespaces without an explicit error handlerdef default_error_handler(e): print('An error occured:') print(e)if __name__ == '__main__': socketio.run(app, debug=True, host='0.0.0.0') For the front end, I initially tried using a library as well. I went with react-websocket.
Immer
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Comparing React state tools: Mutative vs. Immer vs. reducers
Immer is a lightweight package that simplifies working with immutable states. Immutable data structures ensure efficient data change detection, making it easier to track modifications. Additionally, they enable cost-effective cloning by sharing unchanged parts of a data tree in memory.
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Immer VS mutative - a user suggested alternative
2 projects | 25 Jan 2024
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Show HN: Cami.js – A No Build, Web Component Based Reactive Framework
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It looks like it’s mutating, but both the reducers and update() uses immer* under the hood, so we still respect immutability under the hood.
Cami supports redux devtools so you can use that for time-travel debugging too!
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* https://github.com/immerjs/immer
- Why do we need modules at all?
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Making Sense of React Server Components
I heard that immutability libraries like immer.js [0] help with this. Anyone go this way and had good success? Is this 'the way'?
[0]: https://immerjs.github.io/immer/
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How We Fixed Performance With JS Object Variable Mutation
So, that's what we built, and we built it in the most obvious way — using JavaScript Proxy objects to track mutations and reflect those changes across Appsmith’s framework. Initially things looked good — it worked, aside from a few hacks to make some data types work with map and set, and we were following the example of other projects that had similar requirements. If it was good enough for them, it should be good enough for us, right?
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The sword refers to immer, the faster and stronger immutable data js tool limu stable version released!
But is immer really the ultimate answer? The performance problem of immer is more prominent in large arrays and deep-level object scenarios. See this issue description, many authors in the community began to try to make breakthroughs, and noticed that structura and mutative, I found that it is indeed many times faster than immer as they said, but it still fails to solve the problem of both fast speed and good development experience. I will analyze the two issues in detail below.
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Ramda: A practical functional library for JavaScript programmers
I like immer for this kind of thing: https://github.com/immerjs/immer
It gives you immutable updates without getting bogged down in FP abstractions.
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Why my variable is being mutated if I make any changes to my data ?
I've always been a huge fan of immer for these case. For your code, it would simply turn into setGridData((prev) => produce(prev, draft => applyChanges(changes, draft)) but I recommend you go over their documentation to fully understand how it works
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Is there a better way to do read-only types
If you're trying to make things actually immutable, Object.freeze and deep copies can clutter things up pretty good, have you considered using something like immer? (https://immerjs.github.io/immer/)
What are some alternatives?
JSON-Schema Faker - JSON-Schema + fake data generators
immutability-helper - mutate a copy of data without changing the original source
hashmap - HashMap JavaScript class for Node.js and the browser. The keys can be anything and won't be stringified
immutable-js - Immutable persistent data collections for Javascript which increase efficiency and simplicity.
redux-toolkit - The official, opinionated, batteries-included toolset for efficient Redux development
mori - ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript
Recoil - Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features of React.
schemapack - Create a schema object to encode/decode your JSON in to a compact byte buffer with no overhead.
react-query - 🤖 Powerful asynchronous state management, server-state utilities and data fetching for TS/JS, React, Solid, Svelte and Vue. [Moved to: https://github.com/TanStack/query]
object-path - A tiny JavaScript utility to access deep properties using a path (for Node and the Browser)
valtio - 💊 Valtio makes proxy-state simple for React and Vanilla