Emojibook_Widget.swift

// ...

@main
struct Emojibook_Widget: Widget {
  private let kind: String = "Emojibook_Widget"

  public var body: some WidgetConfiguration {
    StaticConfiguration(
      kind: kind,
      provider: Provider(),
      placeholder: PlaceholderView()
    ) { entry in
      Emojibook_WidgetEntryView(entry: entry)
    }
    .configurationDisplayName("Random Emoji")
    .description("Display a widget with an emoji that is updated randomly.")
    .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
  }
}