Get

src/Configuration.cs

@@ -6,7 +6,7 @@
 namespace WB.Configuration;
 
 /// <inheritdoc cref="IConfiguration"/>
 public sealed class Configuration : IConfiguration, IConfigurationNode
 {
     // ┌─────────────────────────────────────────────────────────────────────────────┐
     // │ Private Fields                                                              │
@@ -17,7 +17,7 @@
 
     private ConfigurationNode? configurationNode;
 
     public IConfigurationNode this[int index]
     {
         get
         {
@@ -30,7 +30,7 @@
         }
     }
 
     public IConfigurationNode this[string key]
     {
         get
         {
@@ -47,6 +47,17 @@
     // │ Public Methods                                                              │
     // └─────────────────────────────────────────────────────────────────────────────┘
 
+    /// <inheritdoc />
+    public T Get<T>()
+    {
+        if (configurationNode is null)
+        {
+            return default!;
+        }
+
+        return configurationNode.Get<T>();
+    }
+
     /// <inheritdoc />
     public bool TryGet<T>(string key, out T? value)
     {

src/ConfigurationNode.cs

@@ -1,5 +1,6 @@
 namespace WB.Configuration;
 
+using System;
 using System.Text.Json;
 using System.Text.Json.Nodes;
 
@@ -15,6 +16,19 @@ internal sealed class ConfigurationNode(JsonNode? jsonNode) : IConfigurationNode
     // │ Public Indexers                                                             │
     // └─────────────────────────────────────────────────────────────────────────────┘
 
+    /// <inheritdoc />
+    public T Get<T>()
+    {
+        if (jsonNode is null)
+        {
+            return default!;
+        }
+
+        T? result = jsonNode.Deserialize<T>() ?? throw new InvalidOperationException($"Failed to deserialize JSON node to type {typeof(T).FullName}.");
+
+        return result;
+    }
+
     /// <inheritdoc />
     public IConfigurationNode this[string key]
     {

src/IConfigurationNode.cs

@@ -30,6 +30,8 @@
     // │ Public Methods                                                              │
     // └─────────────────────────────────────────────────────────────────────────────┘
 
+    public T Get<T>();
+
     /// <summary>
     /// Tries to get a value of type <typeparamref name="T"/> associated with the specified key. Returns true if the key exists and the value can be converted to type <typeparamref name="T"/>; otherwise, returns false and sets the output parameter to default.
     /// </summary>

tests/ConfigurationNodeTests/src/MethodTests/GetMethodTests.cs

@@ -0,0 +1,33 @@
+using System.Text.Json.Nodes;
+using AwesomeAssertions;
+
+namespace WB.Configuration;
+
+public sealed class GetMethodTests
+{
+    [Test]
+    public void ShouldReturnDefaultValue_WhenCurrentNodeIsNull()
+    {
+        // Arrange
+        ConfigurationNode configurationNode = new(null);
+
+        // Act
+        string? value = configurationNode.Get<string>();
+
+        // Assert
+        value.Should().BeNull(because: "the current node is null and should return the default value for the requested type");
+    }
+
+    [Test]
+    public void ShouldReturnDeserializedValue_WhenCurrentNodeIsValidJson()
+    {
+        // Arrange
+        ConfigurationNode configurationNode = new(JsonNode.Parse("\"value\""));
+
+        // Act
+        string? value = configurationNode.Get<string>();
+
+        // Assert
+        value.Should().Be("value", because: "the current node contains valid JSON that can be deserialized to the requested type");
+    }   
+}