use FunctionCalling with 0.4.0

Author: fumito-ito

Package.resolved

@@ -16,7 +16,7 @@ let package = Package(
             targets: ["FunctionCalling-AWSBedrock"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/FunctionCalling/FunctionCalling", from: "0.3.0"),
+        .package(url: "https://github.com/FunctionCalling/FunctionCalling", from: "0.4.0"),
         .package(url: "https://github.com/awslabs/aws-sdk-swift", from: "0.77.1"),
     ],
     targets: [

Package.swift

@@ -5,20 +5,15 @@ import FunctionCalling
 import AWSBedrockRuntime
 import Foundation
 
-let decoder: JSONDecoder = {
-    let decoder = JSONDecoder()
-    decoder.keyDecodingStrategy = .convertFromSnakeCase
-
-    return decoder
-}()
-
 extension ToolContainer {
     typealias FunctionCallingTool = FunctionCalling.Tool
 
     public var bedrockAllTools: [BedrockRuntimeClientTypes.Tool] {
         get throws {
-            let data = allTools.replacingOccurrences(of: "\n", with: "").data(using: .utf8)!
-            let functionCallingTools = try decoder.decode([FunctionCallingTool].self, from: data)
+            guard let functionCallingTools = allTools else {
+                return []
+            }
+
             return try functionCallingTools.map { try $0.toBedrockTool }
         }
     }