public static void UpdateLaunchSettingsWithLambdaTester()

in src/Aspire.Hosting.AWS/Utils/ProjectUtilities.cs [21:78]
42 lines of code
4 McCabe index (conditional complexity)

    public static void UpdateLaunchSettingsWithLambdaTester(
        string resourceName, 
        string functionHandler, 
        string assemblyName, 
        string projectPath, 
        string runtimeSupportAssemblyPath, 
        string targetFramework,
        ILogger? logger = null)
    {
        try
        {
            // Retrieve the current launch settings JSON from wherever it's stored.
            string launchSettingsJson = GetLaunchSettings(projectPath);

            // Parse the JSON into a mutable JsonNode (root is expected to be an object)
            JsonNode? rootNode = JsonNode.Parse(launchSettingsJson);
            if (rootNode is not JsonObject root)
            {
                // If the parsed JSON isn’t an object, initialize a new one.
                root = new JsonObject();
            }

            // Get or create the "profiles" JSON object
            JsonObject profiles = root["profiles"]?.AsObject() ?? new JsonObject();
            root["profiles"] = profiles;  // Ensure it's added to the root

            var launchSettingsNodeKey = $"{Constants.LaunchSettingsNodePrefix}{resourceName}";

            // Get or create the specific profile for Amazon.Lambda.TestTool
            JsonObject? lambdaTester = profiles[launchSettingsNodeKey]?.AsObject();
            if (lambdaTester == null)
            {
                lambdaTester = new JsonObject
                {
                    ["commandName"] = "Executable",
                    ["executablePath"] = "dotnet"
                };

                profiles[launchSettingsNodeKey] = lambdaTester;
            }

            // Update properties that contain a path that is environment-specific
            lambdaTester["commandLineArgs"] =
                $"exec --depsfile ./{assemblyName}.deps.json --runtimeconfig ./{assemblyName}.runtimeconfig.json {SubstituteHomePath(runtimeSupportAssemblyPath)} {functionHandler}";
            lambdaTester["workingDirectory"] = Path.Combine(".", "bin", "$(Configuration)", targetFramework);

            // Serialize the updated JSON with indentation
            var options = new JsonSerializerOptions { WriteIndented = true };
            string updatedJson = root.ToJsonString(options);

            // Save the updated JSON back to the launch settings file.
            SaveLaunchSettings(projectPath, updatedJson);
        }
        catch (JsonException ex)
        {
            logger?.LogError(ex, "Failed to parse the launchSettings.json file for the project '{ProjectPath}'.", projectPath);
        }
    }