Questions tagged [react]

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What is the Advantage of React JS over Pure Javascript + PHP?

What exactly is the purpose of React JS? I've heard a few things, like: It updates the page without refreshing. It is modular and can reduce redundant coding. It is faster than updating the DOM ...
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1 vote
2 answers
92 views

Preventing parent component re-rendering of a big React component when you "Lift State Up"

I have a very big form - let's call it <MyForm> - consisting of the following: text fields and dropdowns custom selector made of selectable cards table input (for this example 50 rows with each ...
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-1 votes
2 answers
57 views

What to do when forced to initialize functions in createContext

What do I do in this situation? Do I just initialize dummy functions in place of signup, login, and logout? It seems so unnecessary since they are defined in AuthProvider. type AuthContext = { ...
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1 vote
1 answer
84 views

How do I share translations between a .NET application and a react application?

I currently have two applications where one is a landing page (built in react) and another is a web page that lets users explore data (Written in ASP.NET 4.7). I'm currently using resx files to handle ...
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  • 121
1 vote
1 answer
66 views

Re-export (certain) library components from barrel file

Situation At the project I'm currently working on we're using Chakra UI to create our UI. But I guess this question applies to whatever (UI) library you're using. There are certain components that ...
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  • 111
-1 votes
3 answers
347 views

In which scenarios is server-side rendering is better choice than the front-end JS libraries like React, Vue, Angular etc.?

As a Java developer, I just have scratched the surface of Javascript libraries like React, Angular, Vue etc. It seems that theoretically any web applications with server side rendering, like Spring-...
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-3 votes
2 answers
85 views

How much should a react frontend application be automated tested? [closed]

I'm backend developer working on a very backend heavy application. So most of the business logic is writen in the backend. In our project we are considering a full rewrite of the frontend. Currently ...
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0 votes
0 answers
228 views

Best route for multiple user roles with toggleable permissions with React and Django Rest Framework

What is the best way to create dynamic user roles that can have toggleable permissions? I am currently creating my very first website which has a react front end with redux toolkit and redux saga and ...
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-3 votes
1 answer
82 views

Sharing React Native Component as a "black box"

I'm looking for a way to share a React Native component with 3rd parties without having to share the actual source code. Something like a .jar in Java or a .dll for C#. So assuming we have company A ...
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0 votes
1 answer
86 views

Is an API consumption component an antipattern

I have simple API that my React App can use to communicate with my backend. The API has different endpoints and 3 different versions and works like this: We have the public URL, that anonymous users ...
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1 vote
1 answer
59 views

How can I write integration tests if I need dynamically generated values from a javscript file?

We have a react website that, as part of it's process, loads a dynamically generated javascript file from a third party. It uses some of the scripts in this javascript file to generate values, which ...
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-3 votes
1 answer
148 views

React one-way data binding vs Angular two-way data binding

After hours of reading blog posts, I understand that React has one-way data binding, and Angular has two-way. But I don't actually know what that means.... React import { useState } from 'react'; ...
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1 vote
1 answer
111 views

SPA browser-based routing: external routing table for both frontend (React) and backend (Go) use

I have a Single Page Application that uses React-Router and is served via Go backend. The pre-built static app is accessible at app.com which then uses app.com/api to load dynamic data. If a user goes ...
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  • 160
1 vote
0 answers
92 views

Rest API backend and React frontend is MVP?

I'm doing a website that has a React frontend that calls some RESTful API and I would like to know if this is an MVP pattern. I think that the React application implements the View and the Presenter, ...
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-3 votes
2 answers
228 views

Cloudfront distribution having multiple domains

I am developing a multi-tenant project that will be a kind of micro "ecommerce" and therefore customers will be able to create their own stores and will be able to choose between creating a ...
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2 votes
1 answer
105 views

Golang / React Webapp Architecture

A project is structured as so: A build server listens to changes in two repositories: a frontend and backend repo. When it picks up a change it builds, tests, and deploys the updates to a production ...
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  • 160
2 votes
0 answers
247 views

How do I architect reordering in database?

I'm building a todo list app and using react-beautiful-dnd on the frontend to allow users to reorder tasks. I'm trying to work out how to persist changes to the database when a user reorders items. ...
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0 votes
1 answer
416 views

Is it an anti-pattern on React to search for children with a specific element type?

Context When designing the API of a React component, you may decide to receive props in a more semantical way. Here's a simple example <Modal headerTitle="foo" /> vs <Modal> &...
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0 votes
2 answers
1k views

How to design front-end to handle multiple back-end versions

In my company, we're using Spring Boot to implement backend API and React to implement frontend including Web interface and Android/iOS apps. Since our product is an Enterprise software, customers ...
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  • 245
1 vote
1 answer
95 views

Building a form based on json object?

I'm currently refactoring an older legacy application and use React to rebuild some of the former functionality. This application has a form which has +10 different input fields. The aim is to kind of ...
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1 vote
0 answers
124 views

Does the React (and Vue.js) frameworks support extensibility?

Please forgive me if I am mixing up the terminology here, I'm a bit unfamiliar with it. I wanted to find a way to support extensibility in a web application; I wanted a web application that was ...
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5 votes
3 answers
438 views

How to manage chaotic code explosion in React application

So we decided to redo UI of our web application in React. Six months down the lane and we have a complete mess of components and reducers and thunks and actions and god knows what not. We have ...
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  • 275
-4 votes
1 answer
115 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 ...
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1 vote
1 answer
135 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 ...
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  • 197
-4 votes
2 answers
445 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 ...
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2 votes
0 answers
2k 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 ...
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  • 187
2 votes
0 answers
32 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 ...
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  • 129
-4 votes
1 answer
684 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....
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2 votes
1 answer
455 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" {......
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  • 329
-2 votes
1 answer
71 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 ...
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-2 votes
1 answer
207 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 ...
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  • 115
1 vote
0 answers
83 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 ...
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  • 2,412
4 votes
1 answer
2k 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 ...
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2 votes
1 answer
73 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, ...
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1 vote
0 answers
28 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 ...
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  • 269
5 votes
1 answer
2k 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 ...
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0 votes
0 answers
56 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){ ...
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  • 101
-1 votes
1 answer
201 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 ...
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  • 3,319
2 votes
0 answers
80 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: "...
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0 votes
0 answers
317 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....
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0 votes
1 answer
758 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]; ...
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  • 2,412
4 votes
0 answers
431 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 (...
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0 votes
0 answers
30 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() { ...
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0 votes
2 answers
104 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 ...
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  • 103
4 votes
1 answer
2k 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 ...
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0 votes
2 answers
158 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 ...
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-1 votes
1 answer
193 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?
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  • 21
-2 votes
1 answer
616 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 ...
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  • 21
1 vote
1 answer
93 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 ...
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-1 votes
1 answer
2k 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 ...
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