Less fallback images, dont use shimmering view

apple/OmnivoreKit/Sources/App/Views/Home/HomeFeedViewIOS.swift

@@ -606,12 +606,7 @@ struct AnimatingCellHeight: AnimatableModifier {
     var body: some View {
       let horizontalInset = CGFloat(UIDevice.isIPad ? 20 : 10)
       VStack(spacing: 0) {
-        if viewModel.showLoadingBar {
-          ShimmeringLoader()
-        } else {
-          Spacer(minLength: 2)
-        }
-
+        Color.systemBackground.frame(height: 1)
         ScrollViewReader { reader in
           List(selection: $selection) {
             Section(content: {
@@ -851,12 +846,7 @@ struct AnimatingCellHeight: AnimatableModifier {
 
     var body: some View {
       VStack(alignment: .leading) {
-        if viewModel.showLoadingBar {
-          ShimmeringLoader()
-        } else {
-          Spacer(minLength: 2)
-        }
-
+        Color.systemBackground.frame(height: 1)
         filtersHeader
           .onAppear {
             withAnimation {

apple/OmnivoreKit/Sources/Views/FeedItem/LibraryItemCard.swift

@@ -256,27 +256,16 @@ public struct LibraryItemCard: View {
           }
         }
       } else {
-        fallbackImage
+        Color.clear
+          .frame(width: 50, height: 75)
+          .cornerRadius(5)
+          .padding(.top, 2)
       }
     }
     .padding(.top, 10)
     .cornerRadius(5)
   }
 
-  var fallbackImage: some View {
-    HStack {
-      Text(item.unwrappedTitle.prefix(1))
-        .font(Font.system(size: 32, weight: .bold))
-        .frame(alignment: .bottomLeading)
-        .foregroundColor(Gradient.randomColor(str: item.unwrappedTitle, offset: 1))
-    }
-    .frame(maxWidth: .infinity, maxHeight: .infinity)
-    .background(Gradient.randomColor(str: item.unwrappedTitle, offset: 0))
-    .background(LinearGradient(gradient: Gradient(fromStr: item.unwrappedTitle)!, startPoint: .top, endPoint: .bottom))
-    .cornerRadius(5)
-    .frame(width: 50, height: 75)
-  }
-
   var bylineStr: String {
     // It seems like it could be cleaner just having author, instead of
     // concating, maybe we fall back

apple/OmnivoreKit/Sources/Views/ShimmerView.swift

@@ -1,54 +0,0 @@
-import SwiftUI
-
-public struct ShimmeringLoader: View {
-  @State private var phase: CGFloat = 0
-
-  public init() {}
-
-  public var body: some View {
-    ZStack {
-      Color.systemBackground
-      Color.appGraySolid
-        .contentShape(Rectangle())
-        .modifier(AnimatedMask(phase: phase).animation(
-          Animation.linear(duration: 2.0)
-            .repeatForever(autoreverses: false)
-        ))
-        .onAppear { phase = 0.8 }
-    }
-    .frame(height: 2)
-    .frame(maxWidth: .infinity)
-  }
-
-  /// An animatable modifier to interpolate between `phase` values.
-  struct AnimatedMask: AnimatableModifier {
-    var phase: CGFloat = 0
-
-    var animatableData: CGFloat {
-      get { phase }
-      set { phase = newValue }
-    }
-
-    func body(content: Content) -> some View {
-      content
-        .mask(GradientMask(phase: phase).scaleEffect(3))
-    }
-  }
-
-  /// An animatable gradient between transparent and opaque to use as mask.
-  /// The `phase` parameter shifts the gradient, moving the opaque band.
-  struct GradientMask: View {
-    let phase: CGFloat
-    let centerColor = Color.appGraySolid
-    let edgeColor = Color.clear
-
-    var body: some View {
-      LinearGradient(gradient:
-        Gradient(stops: [
-          .init(color: edgeColor, location: phase),
-          .init(color: centerColor, location: phase + 0.1),
-          .init(color: edgeColor, location: phase + 0.2)
-        ]), startPoint: .leading, endPoint: .trailing)
-    }
-  }
-}