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Questions tagged [react-state-management]

637 questions
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1 answer

React Context Consumer not changing reactively or rerendering

I have an odd situation where a state variable is updating successfully in one component but not in the other. I'm successfully changing the state, because I can see it reflected in the component where I'm triggering a dispatch. But in another…
crevulus
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How to manage function component state in NextJS?

I wanna to access a state variable of component 1 in component 2, they are "brothers" components. How can I do this? Only 1 state variable. I'm using nextjs with styled-components and typescript. Also my project have atomic design structure. I wanna…
andreddev
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cart count is not getting updated properly

screeen record of the issue: https://streamable.com/ofn42v it is working fine in local but once deployed to production(vercel), it is not working. i have tried sooo many different things like having a separate state in cart, useEffect with…
RGog
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4 answers

React useEffect doesn't dispatch the redux action after page refresh

I'm trying to render the data from the following object of data which is coming from an API. { "code": 0, "c": "verified", "d": "verified", "leaseInfo": { "infoId": 6 }, "cpfPrice": "500.00", "carCurrentLocation":…
Vidarshan Rathnayake
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1 answer

How to correctly handle loading state in redux toolkit crud

I want to know the best way for handling the loading state in redux-toolkit. I have this slice and here I can create a post, delete a post, get all posts. And as I think, for all these operations I need to handle a loading state. So when the user…
Rostyk
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How do I deal with two useEffect hooks where one useEffect dependency is affecting another useEffect dependency?

So I'm working on a website that has infinite scrolling and sorting/filtering. The issue is that when the sortBy method is being changed, I need to reset the offset for the pagination for the infinite scrolling page. Here's the code for the…
Kenneth Lee
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In ReactJS How to save Child State in Parent state on destroying child?

I have a parent Component and two child Component as below: ParentComponent: import React, { useState } from "react"; import { Child1Comp } from "./Child1Comp"; import { Child2Comp } from "./Child2Comp"; export function ParentComp() { const…
mehdi parastar
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React state is empty after setting

I have simple nextjs app where i want to save and print state to fetchData This is my code const Room = () => { const router = useRouter(); const [fetchData, setFetchData] = useState(""); useEffect(() => { if (router.asPath !==…
Michaelo
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4 answers

React add and remove a component on button click

I'm new to React. Here I'm trying to add/remove a 'Timer' component on click of +/- button. It works fine on click of '+', but not on '-'. I was of the opinion that every time I set a state, the component re-renders. But here it doesn't render on…
Deva44
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MobX ReactJS AntD updates won't re-render

So I'm trying change some table data within my AntD Table using ReactJS and MobX. The data in my MobX observable changes, but the table doesn't re-render an update until I say.... resize the page and the table re-renders. I've recreated my issue on…
elisciandrello
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1 answer

React Recoil selector not triggering its get when the atom state updates to a previous value

I've started learning React and Recoil by doing a quick project of my own. A single page website that has buttons where each button, in short, make a REST call and a table is created with the data returned. When a button is clicked, it updates an…
worm
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Unable to set state of TextField to undefined using React hook

I would like to have the initial state for a date TextField be set to undefined until the user has selected a date, and then allow the user to easily reset the date back to undefined. In the following code, the Reset button will properly reset…
phoenix
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2 answers

Why is my state array resetting to empty?

For some reason, only the last element of my messages state array is rendering. Whenever I call addMessage and print the current state of messages, an empty array always prints out. After I push the new message to the state array, the array prints…
asdfcoder
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React redux updating single property with different dispatch vs updating whole object

I have a below redux state state:{ prop1: prop2: prop3: } Each property value comes from a dropdown element on the UI. What would be the best way to update the state when onChange of any of these inputs. Update the whole object when any of…
dev0864
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In React, how do I name a field of my form that is part of an array?

I'm building a React 16.13.0 application. In my form, I want to submit data (an address) as part of an array, so I set up my state like so ... constructor(props) { super(props); this.state = { countries: [], provinces: [], …
Dave
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