[Feat/#104] DSKit에서 Lottie 사용을 위한 스텐실파일 추가

HMH_Tuist_iOS/Tuist/ResourceSynthesizers/Lottie.stencil

@@ -0,0 +1,58 @@
+// swiftformat:disable all
+// swiftlint:disable all
+{% if files %}
+{% set accessModifier %}{% if param.publicAccess %}public{% else %}internal{% endif %}{% endset %}
+{% set documentPrefix %}{{param.documentName|default:"Document"}}{% endset %}
+import Foundation
+#if canImport(Lottie)
+import Lottie
+// MARK: - Animations Assets
+{{accessModifier}} extension AnimationAsset {
+    {% for file in files %}
+    static let {{file.name|swiftIdentifier:"pretty"|lowerFirstWord|escapeReservedKeywords}} = Self(named: "{{file.name}}")
+    {% endfor %}
+}
+// MARK: - Animation Helpers
+{{accessModifier}} extension AnimationAsset {
+    /// All the available animation. Can be used to preload them
+    static let allAnimations: [Self] = [
+        {% for file in files %}
+        Self.{{file.name|swiftIdentifier:"pretty"|lowerFirstWord|escapeReservedKeywords}},
+        {% endfor %}
+    ]
+}
+// MARK: - Structures
+{{accessModifier}} struct AnimationAsset: Hashable {
+    {{accessModifier}} fileprivate(set) var name: String
+    {{accessModifier}} let animation: LottieAnimation?
+    {{accessModifier}} init(named name: String) {
+        self.name = name
+        if let url = Bundle.module.url(forResource: name, withExtension: "json") {
+            self.animation = LottieAnimation.filepath(url.path)
+        } else {
+            self.animation = nil
+        }
+    }
+    // MARK: Hashable Conformance
+    {{accessModifier}} static func == (lhs: Self, rhs: Self) -> Bool {
+        return lhs.name == rhs.name
+    }
+    {{accessModifier}} func hash(into hasher: inout Hasher) {
+        hasher.combine(self.name)
+    }
+}
+// MARK: - Preload Helpers
+{{accessModifier}} extension AnimationAsset {
+    /// Preloads all the Lottie Animations to avoid performance issues when loading them
+    static func preload() -> Void {
+        for animationAsset in Self.allAnimations {
+            _ = animationAsset.animation
+        }
+    }
+}
+// swiftformat:enable all
+// swiftlint:enable all
+#endif
+{% else %}
+// No files found
+{% endif %}