locale-example.swift

struct PlayView: View {
    ...
    @Environment(\.locale) private var locale
    @EnvironmentObject private var settingsController: SettingsController
    
    var body: some View {
        Form {
            ...
            DateLabel()
                .environment(\.locale, settingsController.useEnglishCategoryNames ? .init(identifier: "en") : locale)
            ...
        }
    }
}

private struct DateLabel: View {
    @Environment(\.locale) private var locale

    var dateFormatter: DateFormatter {
        let dateFormatter = DateFormatter()
        dateFormatter.locale = locale
        dateFormatter.dateStyle = .long
        dateFormatter.timeStyle = .medium
        return dateFormatter
    }

    var body: some View {
        Text(dateFormatter.string(from: Date.now))
    }
}