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I have two separate projects one is a react application and the other one is for my firestore API that I have functions setup. I call these functions in my react application. I have them separated since the firebase package is very large.
I am looking to figure out how to have my data in real time. I know how to setup snapshots in my functions. So I am wondering if I could setup a function that pings my react application(that could be listener for) that something has updated.
Check out https://github.com/tylermcginnis/re-base - it allows you to persist your data in the React State mirroring any changes that are made in your database. It was made specifically for Firebase + React.js.
There are endpoints (amongst many others) namely syncState which is a two-way bind to state and bindToState which is a one-way bind to state.
Hope this helps!
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I am totally confused about how to manage the application level state in React.
I have an enterprise-level application frontend that has some data that is used across application.
Should I use Redux or react hooks or my own JavaScript code that manages the state?
If you are going to need to share the state across a lot of components then you could use either Redux or useContext hook (more Simpler and easy to understand than Redux).
If you have a lot of data (configurations etc) to be shared by multiple components on different hierarchy levels then I will recommend you to use redux-toolkit
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I am new at using react/redux. I just started working on a react project, but I don't really know which one do I choose when when it comes to making API calls. Should I do all of API calls with redux or are there cases in which I can handle them using components?
Choosing either one has its own merit. If you want the data from API in global state or for any further use you may need to choose to do your calls in redux.
If the interaction is very less and data is not used any further you can opt to do calls in component
Based on the documentation of redux the best practice would be to make you API calls directly in the "actions" of Redux.
You'll be able to find more information on this page: https://redux.js.org/advanced/async-actions
There is also another thread with a really good answer on how to make a proper API call with Redux:
How to properly make REST calls from ReactJS + Redux application?
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want to know the difference between Angular JS and React JS. what are all the key features both of them has.
Can somebody guide me here.
Angular js
Two way binding
Uses observables to track changes
Contains many things internally just by installing angular that can be used Like http calls etc
React js
It has unidirectional flow
Uses virtual DOM concept.
For react we have to search for modules (still its easy to. We have lots and lots of modules already available)
Syntax aswell is different. :)
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In my app, some components use different categories of data(clothes, shoes etc.).
Is it better to fetch data from database once and put it to storage? Or i should let every single component fetch data directly from database?
You're looking for Redux (an implementation of flux). Redux gives you a global state to work with that you can connect components into. You can make an api call in one component, and if added to state (using actions + reducers), you can update data from a completely different component. They don't even need a parent/child relationship in your component hierarchy.
So yes, you're looking for "storage", in the form of a global state for your entire React app.
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I am very new to react native and am trying to populate a list with an image and a heading using a fetch() call from a web service . I need this list to populate as soon as the page is displayed. I am struggling to find the right method/event to put my logic in .
Also i have a separate page to see the detailed article. Is there a clean way to pass on information to this page so i can avoid making another api call or a messy global variable.
You should read up on Redux. It might seem a bit hard to understand while reading but the implementation is pretty simple and straight forward.
Also, take a look at this article by Dan Abramov, the main contributor of Redux, talking about Presentational and Container components.