let url = ""
 ViewWithActivityIndicator(imageURL: url)
 ViewWithActivityIndicator(imageURL: url,placeHolder: "icon")

import SwiftUI
import ViewWithActivityIndicator
struct ContentView : View {
    let loader: ViewLoader = ViewLoader(url: "https://picsum.photos/300")
    var body: some View {
        ViewWithActivityIndicator(placeHolder: "", showActivityIndicator: true, viewLoader: loader) {
            Image(uiImage: UIImage(data:self.loader.getData()) ?? UIImage())
        }
    } 
}

import SwiftUI
import ViewWithActivityIndicator
struct ContentView : View {
let urls: [String]
let loader: ViewLoader = ViewLoader(url: "https://picsum.photos/300")
var body: some View {
List(urls, id: \.self) { url in
HStack {
ViewWithActivityIndicator(imageURL: url)
.frame(width: 100.0, height: 100.0)
Text("\(url)")
}
}
}
}

@available(iOS 13.0, *)
public struct ViewLoaders {
    var loaders: [ViewLoader] = []
    init(urls: [String]) {
        for url in urls {
            loaders.append(ViewLoader(url: url))
        }
    }
}