I have the following deceleration: const [open1, setOpen1] = useState(false); and would like to generate this as many as I fetch records from the database (for every record fetched ) I need new [open, setopen] here is my for loop used in my code. Answer Create separate component to hold ‘open’ sta…
Tag: redux
dispatching actions on every render
I am dispatching action addProducts on every mount of the ProductList component whereas i want to dispatch the action one timeusing useEffect hook and store the data in the redux and then use it. Below are my actions file and ProductList component file. actions.js file ProductList.js component file Answer You…
redux state gets -improperly- updated before reducers is called (w/ ReactDnD)
Edit: the bug was is a separated helper function that was mutating the state (not displayed in the post). I’m experimenting with ReactDnD to create a sortable image grid via drag and drop. I’ve been …
send id (or get id from router path)
I got simple blog (react/redux) (only frontend part). With user registration and articles. And stuck when tryed to send id to editor. I have same form, but different path for add new and for edit existing article: it might be simple but I have no idea how to send(or get) id to ArticleEditor component to fill …
Why aren’t my checkboxes updating using Redux?
I am working on a React-Native mobile app using Redux to manage the state. I have filter to manage the data displayed. I am using Redux to manage all the data in the filters. It’s quite simple: I click on the checkbox, it gets clicked. I click on the checkbox again (guess what), it gets unclicked. When …
items not being displayed on table
I’ve been trying to create this search app where I can display the items in a table and delete items using react redux. However, on the initial load, the app shows a table but there is no data in the table. It’s an empty table. If i search for another movie name which have more than one movie for …
Cannot update a component while rendering a different component warning
I am getting this warning in react: I went to the locations indicated in the stack trace and removed all setstates but the warning still persists. Is it possible this could occur from redux dispatch? my code: register.js function which triggers the warning in my registerForm component called by register.js St…
react redux useSelector rerender even when data does not change
I am using react with redux and redux thunk. I have an action where I am making a network request. With the useSelector I am getting the data from redux store. I have a problem that the component rerenders every time when I dispatch the action. I want that the component only rerenders when data changes. I tri…
Toggle Color of Button Added To Favorites in React
I’m displaying a list of items and user has ability to add an item to their Favorites. My issue is that I’m only capturing one favorite state, thus, on click of one button, all of the item buttons (red heart below) change color. I’m trying to work through the best way to handle the toggling …
Redux deep clone – state is always equal
I have the following reducer in React Redux: And this is my object: The reducer as such seems to work, it toggles the values correctly. But: Redux always shows “states are equal”, which is bad as it won’t recognize changes. Can someone help ? I assume that I am returning a new object.. Answe…