Questions tagged [react]
The react tag has no usage guidance.
44
questions
-4
votes
1answer
78 views
Use React to parse a file (serverless)
I have a design question and am hoping for some validation. I want to create a 'serverless' web app which will parse a csv file and return an XML file.
I will have a single page react app hosted in ...
1
vote
1answer
44 views
Using Django Sessions when views are accessed by API
I'm making an app which is a Django backend and a React frontend (being developed by someone else). The plan currently is to fully decouple the two and have them communicate over API. However, I would ...
-4
votes
2answers
32 views
Confused about AWS dev: How to use React with Python in my lambda functions?
I'm very new to the serverless and backend world. I've been looking at tutorials on youtube and on serverless-stack.com (which is really good btw) and they mostly seem to cover React frontend ...
1
vote
0answers
52 views
Updating nested state with React Hooks and Typescript - performance vs clarity
I have some deeply nested react components. Let's limit them to 3 levels of nesting and call them Parent, Children and Grandchildren. The state for the entire app is stored in a single object in the ...
2
votes
0answers
24 views
How authorize web application and manage sessions
i am building a single page react app that uses redux as state manager and an express node js as backend server but i don't know what is the best way to authorize my users in the application!
if it ...
-4
votes
1answer
35 views
Why isn't React recognizing the CSS file I've linked in Index.html?
I've built a meme generator using React as an early project to master the basics. I have 6 files in my "mememaker" folder on my desktop, which I created using "create-react-app". They include: index....
2
votes
1answer
29 views
Render constant props components from an object or by hand?
Lets say I have a component that render some "static" information and another one that is the parent of these components.
function Foo(){
...
return (
<Bar name="I" {......
-2
votes
1answer
48 views
What does app class means? [closed]
In framworks for developing app whether it be a joomla or react or angular i see app class. What does it mean. Like if there is some user class, or some input class or that make sense for some purpose ...
-3
votes
1answer
49 views
How to configure a React app for different environments
We're configuring the build and release pipeline for our frontend code which is built with React. The final output is just some static HTML/Javascript code. The differences between environments are ...
1
vote
0answers
72 views
Is there a standard convention for onChange handlers for react components?
It seems that some components like to pass an event as the first (or only) argument for a change event, eg (the native input, Material-UI's TextField) and then the programmer accesses the value with ...
2
votes
1answer
112 views
Form validation code shared in the frontend and backend API?
I have a legacy Java monolithic web application. My goal is to use React on the frontend, keep Java on the backend and add an API for the frontend to use.
My question is how can I write the data ...
2
votes
1answer
45 views
ReactJS - lift state to main container or export a helper?
I'm using ReactJS (React Hooks, specifically) to build an application. Part of that application involves account creation, sign-in, and authentication. I only recently finished the sign-in feature, ...
1
vote
0answers
23 views
Render GUI from React component functions
I'm not sure if this is the right way to build React components.
I have a component with several buttons that call different functions in the component. In some of the functions I need to display ...
2
votes
1answer
260 views
Domain classes in DDD structure in React apps?
I'm building an Electron app using React. I'm coming from the C# and WPF world and I'm wondering, where should my domain classes go? I understand the concept of components, but what about a class with ...
0
votes
0answers
51 views
React CRUD patterns
My strategy with react forms has always been (psuedocode):
CreateFoo - simply hooks up redux actions to save new record
- onOk = (draft) => dispatch(addFoo(draft));
- return <FooForm onOk={...
0
votes
0answers
49 views
Ist good practice adding Converter Between api and client
I just want to curious about adding a converter is a good practice or not.
I have multiple API and I always convert API return fields to my client fields.
Like=>
function ConvertFromAPI(apidata){ ...
-1
votes
1answer
70 views
Why is it called a functional component?
A quick google search shows that the question I have has not been asked directly, and so I ask it here. For what its worth, I am learning react, and I come from a C++ background, where as far as I ...
0
votes
0answers
113 views
Optimizing web dashboard with editable elements for performance by introducing ElasticSearch
To improve performance, we are optimizing our complex tabular web-based dashboard that loads a lot of data (many columns and rows). Many cells in the table are editable so the data is mutable. Our ...
2
votes
0answers
54 views
Where to store the state of a complex form in React?
Let us consider a complex form of registering a driver and owner.
The driver will have all these fields:
driver = {
firstName: "xyz",
lastName: "abc",
phone: "1234",
email: "m@g.com,
licence: "...
0
votes
0answers
92 views
How to handle server side pagination + processing large sets of data
So lets say I have a SQL query made by a server that fetches up to thousands of records at a time and I need to display those records in a grid(similar to AG Grid) on the client for the user to review....
0
votes
0answers
183 views
Rails Devise & React with Graphsql
I am trying to fix an authorization/authentication strategy for a Rails app (5.2). I am migrating the front-end w/o an API. I have however connected the backend through a GraphQL flow. I am planning ...
0
votes
1answer
287 views
“Fetch the data if it doesn't exist” selector?
Let's say I have a react component like this:
const MyComponent = ({data}) => (<div>{JSON.stringify(data)}</div>);
const myReduxSelector = (state, id) => state.someData[id];
...
3
votes
0answers
260 views
How should a non-React component subscribe and respond to Redux state changes?
I’m new to React/Redux tools and still figuring out some idiomatic design patterns.
Here's a scenario:
A user adding a place marker 📍 (that has some associated metadata) to an interactive map (...
0
votes
0answers
23 views
How can I manage the state of my application using a dedicated object instead of what React offers?
Most of the react application I've seen are organized with components that, in my opinion, do too much.
They may follow this pattern:
class MyComponent extends Component {
constructor() {
...
0
votes
2answers
75 views
Should / When to create javascript object to serialize data?
I'm working on a React/Redux application. I receive a data object from the api resembling this:
const dataObj = [
{
id: 1,
name: "Filo",
activity: 9,
info: {
statusCode: 4
...
3
votes
1answer
870 views
React: Redux vs Singleton service [closed]
An application I'm currently working on in our front end we currently use React, Redux and some singleton services (wrappers around some 3rd party libraries). We started discussing a new feature which ...
0
votes
2answers
103 views
React and redux app-wide translation best practices
My team and I want to translate an entire React-redux app into another language (english to arabic) and have a switch that does the app-wide translation via a redux action. The content for the first ...
-1
votes
1answer
142 views
How can I prevent my API from being accessed by anything but my website?
I've got an API (Java + Play Framework). I've got a website (React) who has to communicate with the API. I don't want my API being called by anything but my website.
How can I do?
-2
votes
1answer
500 views
Cross-domain reactjs component
Lets say I have some react components on domain-a.com.
From domain-b.com, an applications calls an API endpoint on domain-a.com. This end point returns the .js of the above mentioned react ...
1
vote
1answer
77 views
How to make a secure web-app account system?
i have some experience (mostly as a student) with react and redux, and on the other hand i also have some experience with express, normally for my apps (all of them are really simple) i make a rest ...
-1
votes
1answer
960 views
Why was Google Maps built using canvas? If it was built today, would it have rather used react/angular? Why (not)? [closed]
Google Maps' frontend is almost completely dependent on canvas.
Given that it was initially developed a long time ago, is it still the best approach to take to build such a UI? If not, what is and ...
0
votes
3answers
2k views
How can I handle slow loading of images in react?
I have the following problem. I have a react application that needs to load a grid of individual small, fixed size images, up to a few hundreds (think a 20x20 grid where each cell is a 100x100 image). ...
6
votes
2answers
8k views
Is it antipattern to use React.cloneElement to extend an element?
I'm creating a popover component for a UI in React. That component contains a button that triggers the popover to display. Because the button needs to be configurable--label, classes, properties--I ...
2
votes
1answer
110 views
Why JS MVC frameworks prefer data binding to UI element reference?
When you are using frameworks like Angular, Angular2+, and React, the way you put data in the UI is by binding a property to an attribute of a UI element.
On the other hand, when you're doing ...
-2
votes
1answer
58 views
Single Page Apps: handling state dependencies
If I have an React/Redux single page application that has - say - a customers page that lists businesses that are customers, and from there each customer can be accessed with a URL like this:
/...
0
votes
2answers
67 views
How should I store a list of file names for a webapp?
I want to be able to call on a list of files that are being processed by the server. The problem is, I want to call them on a web app (think React) whenever a user does something. i.e. a list of all ...
1
vote
2answers
169 views
Is it appropriate to rely on the fact that state doesn't exist for other users coming to the same address?
I am writing a web app. I want users to be able to go to a URL and start a new "session" of my app. They can Slack their friends/colleagues the URL and then everybody is in a socket-connected scenario ...
0
votes
1answer
70 views
Thinking about a setup to work with react and front end development
On my team I'm working as a frontend developer in a React codebase. We're building an application and do everything in React. Before this I was actually always a backend developer. Now I have the ...
2
votes
1answer
247 views
react-redux (React bindings) vs Virtual Dom and Single responsibility principle
I understand React and Redux (at least think that I do). But the combination using the react-redux Binding package is a bit confusing to me.
https://github.com/reactjs/react-redux
The first thing ...
8
votes
3answers
10k views
React Native - Is using a singleton the best alternative to DI?
I've been reading a lot about the singleton pattern and how it's "bad" because it makes the classes using it hard to test so it should be avoided. I've read some articles explaining how the singleton ...
1
vote
1answer
86 views
Styling shareable React component?
I've been looking for a good way to style a react component just using css stylesheets. I would have used style-loader, because it's as easy as require('./style.css') and allows to save the final ...
1
vote
2answers
316 views
React / GraphQL / Redux design question: Looking for a good practice
A React website I am building is going to have these sections: Hero, Projects, Courses, Skills and a few others. The Skill section will iterate though a list of skills and display a React component ...
0
votes
1answer
45 views
How to know which call is correct when multiple potential calls to API each new one invalidates the old one
I have a react element that will potentially call an API multiple times in a short amount of time. Every new call would invalidate the old one as it is a pricing request to the server. Is there a way ...
0
votes
1answer
582 views
Functional model vs data model and react/redux
I have a module object, that consists of several parameters and an algorithm.
A parameter consists of a min, max, step, label and value.
The module's algorithm is regularly making a calculation ...
