Add Decodable impl for Axis (#1001)

Author: carson-katri

Sources/LiveViewNative/Utils/Axis.swift

@@ -21,7 +21,7 @@ extension Axis.Set: Decodable, AttributeDecodable {
         if let alignment = Self(string: string) {
             self = alignment
         } else {
-            throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath, debugDescription: "expected valid value for HorizontalAlignment"))
+            throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath, debugDescription: "expected valid value for Axis.Set"))
         }
     }
 
@@ -44,3 +44,22 @@ extension Axis.Set: Decodable, AttributeDecodable {
         self = result
     }
 }
+
+/// A horizontal or vertical dimension.
+///
+/// Possible values:
+/// * `horizontal`
+/// * `vertical`
+extension Axis: Decodable {
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.singleValueContainer()
+        switch try container.decode(String.self) {
+        case "horizontal":
+            self = .horizontal
+        case "vertical":
+            self = .vertical
+        default:
+            throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath, debugDescription: "expected valid value for Axis"))
+        }
+    }
+}