I try to build an application called Cake Shop to sell and make Cakes, I have a problem reducing the number of cakes in my State, Here is my initial State I think the problem is here in my Reducer, I want to reduce the quantity every time I dispatch the action. This My Action That’s how I call the
Tag: redux
React redux reducer as UseEffect dependency causes infinite loop
I am just diving deep into React. But the useEffect React hook still got me confused. I know that I can pass dependencies as an array to it to control rendering of the component. I have used props and local state to do and it works. What’s got me still confused is when I pass redux reducer as a dependency.
react-redux: actions do not change the store
I’m building a react app with redux and I have a problem. I have a component connected to the redux store and even though I dispatch actions those actions are not received from the reducer thus the state won’t change. Here’s the code of the component: Here’s the filters.js file in the store: Everything looks fine, even console.log the action
React Redux – Mapping over array while rerendering only components holding changed object (in array)
Explanation Hi, I’m pretty new in ‘advanced’ React/Redux field. The problem that I have is: I didn’t use actions so the problem and code can be simplified as much as possible. MyParent component: Now here is my child component: And the reducer: Question Let’s imagine there is ~1,000 objects inside the array. Everytime I change one of the object inside
How to subscribe on updates within ReactReduxContext.Consumer?
I would like to figure out how to subscribe on updates of a stored value it the redux store. So far I’ve tried something like the following: bumping into the TypeError: can’t define property “innerText”: Object is not extensible error on updates. So I wonder how to update the contents? Answer There are a few things about your code that
Data not saved with redux react for android
I probably missunderstood how does redux works but my datas are not saved into the store and i quit et re-open the app. Everything works perfectly when i keep my app open (I can add sessions, exercices…) and everything is saved but when i close it there’s no data. Do i’ve to write some code to receive the store data
React – how to apply local storage for hook value
I use the react-range package for personal purposes of my project, the problem is that I cannot save the value when the page is refreshed, I tried to use the local storage but I could not As you understand, I need to save the value using local storage, in addition, I will leave a link to mine on codesandbox link
React store problem using easy peasy, unexpcted rendering mess up the model in store
When I call an action, first time data is loaded perfectly fine. Component re-renders again and messes up the state. Default State Working State After unexpected render My Code Answer I Updated React.useEffect() to : Now it works.
Cannot read property ‘reduce’ of undefined data from firebase
I am trying to git the totalBalance of but i face error Cannot read property ‘reduce’ of undefined and in the same time i can iterate on the clients of the component the code is the below i thought the issue is clients is undefined but i don’t know the reson Answer This error is telling you that the clients
Does redux evaluate all listeners to the store on any update to the store?
From what I can tell, redux will notify all subscribers to the store when anything in the store changes no matter if it’s a subscription to a deeply nested leaf or a subscription to the top level of the state. In an application where you follow the guiding principle: many individual components should be connected to the store instead of