Update lottie-ios

submodules/lottie-ios/Sources/Private/Model/Assets/AssetLibrary.swift

@@ -0,0 +1,75 @@
+//
+//  AssetLibrary.swift
+//  lottie-swift
+//
+//  Created by Brandon Withrow on 1/9/19.
+//
+
+import Foundation
+
+final class AssetLibrary: Codable, AnyInitializable {
+
+  // MARK: Lifecycle
+
+  required init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    var containerForKeys = container
+
+    var decodedAssets = [String : Asset]()
+
+    var imageAssets = [String : ImageAsset]()
+    var precompAssets = [String : PrecompAsset]()
+
+    while !container.isAtEnd {
+      let keyContainer = try containerForKeys.nestedContainer(keyedBy: PrecompAsset.CodingKeys.self)
+      if keyContainer.contains(.layers) {
+        let precompAsset = try container.decode(PrecompAsset.self)
+        decodedAssets[precompAsset.id] = precompAsset
+        precompAssets[precompAsset.id] = precompAsset
+      } else {
+        let imageAsset = try container.decode(ImageAsset.self)
+        decodedAssets[imageAsset.id] = imageAsset
+        imageAssets[imageAsset.id] = imageAsset
+      }
+    }
+    assets = decodedAssets
+    self.precompAssets = precompAssets
+    self.imageAssets = imageAssets
+  }
+
+  init(value: Any) throws {
+    guard let dictionaries = value as? [[String: Any]] else {
+      throw InitializableError.invalidInput
+    }
+    var decodedAssets = [String : Asset]()
+    var imageAssets = [String : ImageAsset]()
+    var precompAssets = [String : PrecompAsset]()
+    try dictionaries.forEach { dictionary in
+      if dictionary[PrecompAsset.CodingKeys.layers.rawValue] != nil {
+        let asset = try PrecompAsset(dictionary: dictionary)
+        decodedAssets[asset.id] = asset
+        precompAssets[asset.id] = asset
+      } else {
+        let asset = try ImageAsset(dictionary: dictionary)
+        decodedAssets[asset.id] = asset
+        imageAssets[asset.id] = asset
+      }
+    }
+    assets = decodedAssets
+    self.precompAssets = precompAssets
+    self.imageAssets = imageAssets
+  }
+
+  // MARK: Internal
+
+  /// The Assets
+  let assets: [String: Asset]
+
+  let imageAssets: [String: ImageAsset]
+  let precompAssets: [String: PrecompAsset]
+
+  func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(contentsOf: Array(assets.values))
+  }
+}