React context api dispatch does not dispatch values when called when called

I am creating an app with reactjs and I am using context api as my state management tool but the dispatch does not dispatch the values city shows undefined even after the dispatch has been called. SearchContext Here I created the initial state where the city is undefined, date is an empty array and option… Read More React context api dispatch does not dispatch values when called when called

how to execute cleanup function in useEffect() only when component unmounts

I want to clear filters only when the component unmounts. So I wrote cleanup function only in useEffect(). But as I checked it with console.log(), 1 was printed after the component mounted too. What’s wrong in this way? useEffect(() => { return () => { clearFilters(); console.log(1); }; }, []); Stack Snippet: const { useState,… Read More how to execute cleanup function in useEffect() only when component unmounts

How i can change UI on change redux-toolkit state?

I want to rerender my component when i’m dispatch from another component, how i can do it? Component that need for rerender: const MessageComponent = (): JSX.Element => { const [messages, setMessages] = useState<IMessageComponentState>({ messages: [] }) const message = useSelector((state: RootState) => state.message.messages); useEffect(() => { setMessages({ messages: message }) console.log(message) }, message); return… Read More How i can change UI on change redux-toolkit state?

SwiftUI TextField not Refreshing on Variable Change

I have TextField inside a List inside a NavigationView, declared like this: NavigationView { List { Section("Item Name") { TextField("", text: $itemName) .textInputAutocapitalization(.sentences) .disableAutocorrection(false) .textFieldStyle(.plain) } } } In the .onAppear method of the NavigationView, I set the textfield’s text variable, which is declared with @State, like this: @State var itemName: String = "" and:… Read More SwiftUI TextField not Refreshing on Variable Change

Why Is Asserting Resolved UIColor Failing After Changing UIUserInterfaceStyle in Unit Test?

I am working on a project that uses named color assets, and I am responsible for updating the unit tests that assert the correct color values. We have an XCTestCase subclass (BaseXCTestCase) that has a window property, which is set to a value of UIApplication.shared.firstKeyWindow: var window = UIApplication.shared.firstKeyWindow! firstKeyWindow is defined as windows.filter {… Read More Why Is Asserting Resolved UIColor Failing After Changing UIUserInterfaceStyle in Unit Test?