LoadableView Component for SwiftUI

Overview

This component simplifies the handling of loading states and errors in SwiftUI applications. It's designed to make UI management cleaner and more efficient by automatically displaying loading indicators or content based on the data's state.

Key Components

AppError

• Description: Enumerates common errors like network failures or unauthorized access, along with associated user messages. Can be associated with custom alert types for create a custom alert modifier.

LoadableView

• Description: A SwiftUI view that switches between displaying a loading indicator and the actual content based on the data state managed by an associated view model.

LoadableViewModel

• Description: A protocol that defines the essential functionalities a view model must implement to work with LoadableView, such as loading state and error handling.

StateManager

• Description: Manages the loading and error states by observing the view model, updating the UI to reflect changes like displaying alerts for errors.

ContentViewModel

• Description: An example implementation of LoadableViewModel that demonstrates how to manage data loading and error handling specifically for LoadableView.

Features

• Dynamic Content Display: Automatically shows a loading spinner during data fetch and displays content once data is available or an error if something goes wrong.
• Error Handling: Uses AppError to handle and display errors in a consistent, user-friendly way.
• State Management: StateManager integrates closely with the view model to manage UI states seamlessly, reducing boilerplate and improving readability.

Usage Examples

Basic Setup

Here's a simple example of how you can integrate LoadableView in your SwiftUI views:

struct ContentView: View {
    var body: some View {
        LoadableView(viewModel: ContentViewModel()) {
            Text("Data loaded successfully")
        }
    }
}