Questions tagged [reactjs]

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40 views

ReactJS with Elasticsearch App Architecture

I want some advice regarding my architecture and hosting options. I'm attempting to build an e-commerce site for e-books. It will use nestJS for the backend and ReactJS+Typescript for the frontend. ...
-3
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0answers
48 views

Is it a good/bad design to do CRUD from SPA like React?

I am creating a responsive web app using ReactJS as front end and MongoDB at the backend. I have the below two options and would like to know which one is preferred to perform CRUD operations. ...
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0answers
29 views

Sorting in React Component

I need to sort team cards alphabetically inside my Container component with a button. At the moment the code sorts alphabetically without the button being pressed since I have the sorting logic being ...
1
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0answers
11 views

Best way to allow other components to change table's focused row?

I have displayProjectTable that gets state from reducer projectData and populates itself. Currently displayProjectTable has a local state that stores focusedRowID. My problem is that I want other ...
-1
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1answer
61 views

Recommend a way to handle multiple UI frameworks in a pattern library

We are setting up a pattern library. It's use is on the one hand to document and display our UI elements in a web view. On the other hand, it should also be the place where components are built. The ...
-2
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1answer
45 views

React class or function for stateful components?

Which is better to use? react class based stateful component or react hooks functional stateful component? I've searched a bit but couldn't find what is preferred to use.
3
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3answers
283 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 ...
0
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0answers
12 views

Best practice for plugin structure in webpack bundling

We have a software today that we are trying to port to React with the help of Webpack, but before I start, I want some input for best practice since I have only worked with single entry, simple ...
2
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1answer
43 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
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0answers
30 views

React Hooks: using state in useEffect without depending on it

I have run into a situation in React where I want to run a function F in a useEffect hook whenever a value V1 from the store changes. F uses another value from the store V2. I only want to run F when ...
0
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1answer
47 views

Wrapping ReactJS UX component library in another layer of abstraction, pros and cons?

There's AntD library with various UX components. Right now I required to wrap all components which I'm using in another layer, to make an abstraction. For example, if I'm using AntForm component I ...
0
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1answer
202 views

Integrate react app with php app

I have an old php web application, with very bad code. While a lot of it just has html and ajax calls in the, the wrapper is still php. I want to develop the new modules in react, and slowly replace ...
1
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0answers
36 views

Where to place code which synchronizes state of Redux with localStorage?

In our project, I was need to sync a piece of information between localStorage and the Redux state. Actually I subscribed to changes in a localStorage and in Redux, and if change happens in ...
1
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0answers
31 views

Dependency injection of UI components via React context

In React, it's common for libraries, and app-internal utilities, to used context-based dependency injection. Some examples: function MyComponent() { const client = useApolloClient(); // Apollo ...
1
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0answers
257 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 ...
12
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3answers
5k views

Understanding Flux pattern

I'm actually studying the flux pattern and there's something that I can't understand concerning the stores. What are they exactly? I have read many articles, and it seems that it concerns the ...
0
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0answers
37 views

Managing adjacent components

(originally asked here, but aparently not the right place) I managed to create a minimalistic example to reproduce the confusion I'm facing, here's a working SandBox. I have a page ( see the Profile ...
2
votes
1answer
52 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, ...
0
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0answers
12 views

Storing partial data in a redux store, how should be this done?

In my app I have some data to be fetched from the server (a list of recipes). In certain views, only a preview of the recipe is shown--this includes fields like title, rating, and an image of the ...
-1
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1answer
93 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 ...
1
vote
4answers
275 views

Lead developer wants to use a micro-frontend design pattern. Are my concerns valid?

I'm a React developer at a large company working on an enterprise application which draws on a large amount of data, but performs a very specialized task and has only a handful of internal users. The ...
0
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1answer
234 views

Passing javascript function vs use imports in Svelte or React component

I wanted to use some function from javascript module in one of my component. Should I pass it in props when making the component or should I just use Imports in component itself to get the javascript ...
0
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0answers
25 views

Methods for storing data pre-registration in a web app

I have a web app - it's more complicated than a todo list but for simplicity sake let us assume it is a todo list. The user has the choice to sign up and create an account thus allowing them to store ...
1
vote
2answers
547 views

How to effectively handle 404/500 http errors in server-side rendering web application which uses store for state?

I'm working on a website using server-side rendering approach. I'm using React and Redux for this. Redux handles the state of the application and provides API to change the state. All asynchronous ...
3
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0answers
74 views

Architecture and Security in a Web/Native app while generating PDFs

I am trying to make a system where a user can view/download his statements (say salary slips). The user will have ability to download PDF versions of these statements and can also save them to Google ...
0
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3answers
197 views

When does it make sense to make an individual React component?

The most obvious criteria for me is for component re-usability, as well as internal state management but aside from that are there are any other good reasons? For instance, I could have a component ...
2
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0answers
57 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
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0answers
45 views

Is it better to have a default avatar library on client or server side?

I have a webapp using ReactJS as the frontend and Rails as the backend service. I have an account manager, where a user can choose multiple avatars from a default library. This library contains ...
1
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0answers
56 views

Plugins system for an Electron/React app

I'm developing a Electron/React app which uses Webpack and Asar technologies. It's designed to be a host app providing a common platform for some plugins. These plugins are downloaded and plugged into ...
0
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0answers
83 views

Handling user permissions in front-end

I'm building an API that will be used by the front-end in React and I'm not quite sure how I should send the permissions of each user based on their roles. Some fields can only be edited in some ...
6
votes
2answers
4k views

React: Nested object as state vs individual properties

Are there any use-cases where a nested object as state is either more optimal/easier to work with than individual properties? For instance if I wanted to express some user controls for interacting ...
1
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0answers
186 views

Write integration tests with React using Jest

Let's imagine that we have this Page component: const Page = () => <> <Topbar /> <Drawer /> <Content /> </> I'd like to test some interaction within ...
2
votes
1answer
602 views

How do functional programming advocates use a framework like React or Angular?

I read this blog post recently: The Two Pillars of JavaScript Part 1: How to Escape the 7th Circle of Hell, which is essentially a criticism of object oriented programming, and advocacy for funtional ...
1
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0answers
80 views

How to Implement Certain timeout session on multiple pages of a website - REACTJS

Suppose there 5 pages to a website. User flow will be 1->2->3->4->5->FINISH. I want to implement is that whenever a user enters page 3 a timer starts and if he doesn't finish a task ...
1
vote
1answer
551 views

Why are React keys limited to strings?

In React, when rendering a mapping from elements of a list/array/iterable to React elements, we're required to attach a locally-unique key to each element. Generally this is so that if an element ...
2
votes
1answer
70 views

continuous deployment of web application built with multiple packages

Our react web application is broken down to multiple components. Some of these components are part of the same git mono repo and some live in a different repo. Now, to implement a bug fix we have to ...
1
vote
1answer
130 views

OrderedMap or List for Redux structure?

I'm implementing a Redux store for a React app using redux-saga for API calls. I've used Immutable.js before for other Redux-using React apps but the nature of previous projects always evidently ...
-5
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1answer
37 views

Easiest way to add tracking of interactivity (mouse clicks, scrolls, multi-touch gestures) to a React Web App already developed?

Context: we have a responsive web application developed in React.js, which we have successfully used a few times to run user studies on Amazon Mechanical Turk. Now, we would like to add interactivity ...
2
votes
1answer
97 views

New components that implement an abstract component, vs variants on a single component.

I have created some stateless functional components that represent round social media icons used for links/sharing, the code looks like this: AbstractRound import React from 'react'; import { ...
0
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1answer
71 views

ReactJS - proper way to handle a responsive design approach?

I've always used CSS and media queries when it comes to responsive design. I've been developing in ReactJS for a while, but I feel my approach to responsive design is sloppy. I find myself using a mix ...
1
vote
1answer
763 views

How to store blog post in database - React & GraphQL

I am building travel blog using React as frontend Javascript framework along with GraphQL. I am doing this project by myself as a pilot test and I am currently in a phase of translating photoshop ...
22
votes
4answers
9k views

Why is JSX good, when JSP scriptlets are bad?

React.js provides JSX as an XHTML-like syntax for constructing a tree of components and elements. JSX compiles to Javascript, and instead of providing loops or conditionals in JSX proper, you use ...
4
votes
2answers
908 views

Benefits of using a JS Framework

I am starting a new project and trying to decide if I should use a Javascript framework (like vue.js or react) and create a Ruby on Rails API, or use Ruby on Rails to server-side render pages and ...
1
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3answers
151 views

Is it common/appropriate to have a Flux application that combines Actions and Dispatchers?

I just picked up a React/Flux app and I'm new to the technology stack. One of the things that's throwing me off is that just about every tutorial I view on this stack very clearly defines Dispatchers ...
-2
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1answer
538 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 ...
0
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0answers
62 views

Do database CRUD operations dictate whether and application should be one-way or two-way binding?

I am confused (easily done). To me model is the data from the database sent back as JSON. When I think of that in an Angular context, when two-way binding is configured, it makes me think the ...
2
votes
1answer
88 views

Does Flux/Redux concept about application state put bounds on the size of application?

In Redux (React Flux implementation) guide https://redux.js.org/basics/reducers it is said, that In Redux, all the application state is stored as a single object My questions are: How seriously ...
1
vote
2answers
527 views

Does it make sense to create a whole new API interface to just handle the web secret key?

In OAuth2.0 we have to send client id and secret along side the user credential to obtain an access token from an authorization server. We have a ReactJS web application that needs to send its request ...
1
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0answers
29 views

React JS: Mixing data types for one state property

In the spirit of minimising state I always have a desire to mix data types for a given state property. For instance, if I were creating a React page that rendered a list of items that could either be ...
1
vote
2answers
983 views

What other approaches are there to break circular dependency in MVC?

I'm attempting to build a web front-end based on the MVC pattern, as opposed to based on the libraries involved (e.g. React.js). I'm using constructor-based dependency injection and interfaces to de-...