Add docs

src/My.Extensions.Localization.Json/Caching/IResourceNamesCache.cs

@@ -3,7 +3,18 @@
 
 namespace My.Extensions.Localization.Json.Caching;
 
+/// <summary>
+/// Defines a cache for storing and retrieving collections of resource names by key.
+/// </summary>
 public interface IResourceNamesCache
 {
+    /// <summary>
+    /// Gets the list of strings associated with the specified name, or adds a new list using the provided factory if
+    /// none exists.
+    /// </summary>
+    /// <param name="name">The key used to locate the associated list of strings. Cannot be null.</param>
+    /// <param name="valueFactory">A function that generates a new list of strings if the specified name does not exist. Cannot be null.</param>
+    /// <returns>The list of strings associated with the specified name. If the name was not present, returns the newly created
+    /// list from the factory.</returns>
     IList<string> GetOrAdd(string name, Func<string, IList<string>> valueFactory);
 }

src/My.Extensions.Localization.Json/Caching/ResourceNamesCache.cs

@@ -4,10 +4,14 @@
 
 namespace My.Extensions.Localization.Json.Caching;
 
+/// <summary>
+/// Provides a thread-safe cache for storing and retrieving lists of resource names by key.
+/// </summary>
 public class ResourceNamesCache : IResourceNamesCache
 {
     private readonly ConcurrentDictionary<string, IList<string>> _cache = new();
 
+    /// <inheritdoc />
     public IList<string> GetOrAdd(string name, Func<string, IList<string>> valueFactory)
         => _cache.GetOrAdd(name, valueFactory);
 }

src/My.Extensions.Localization.Json/Internal/IResourceStringProvider.cs

@@ -3,7 +3,18 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Defines a provider for retrieving all resource strings for a specified culture.
+/// </summary>
 public interface IResourceStringProvider
 {
+    /// <summary>
+    /// Retrieves all resource strings for the specified culture.
+    /// </summary>
+    /// <param name="culture">The culture for which to retrieve resource strings. Cannot be null.</param>
+    /// <param name="throwOnMissing">Specifies whether to throw an exception if resource strings for the specified culture are missing. If <see
+    /// langword="true"/>, an exception is thrown when resources are not found; otherwise, an empty list is returned.</param>
+    /// <returns>A list of resource strings associated with the specified culture. The list is empty if no resources are found
+    /// and <paramref name="throwOnMissing"/> is <see langword="false"/>.</returns>
     IList<string> GetAllResourceStrings(CultureInfo culture, bool throwOnMissing);
 }

src/My.Extensions.Localization.Json/Internal/JsonFileWatcher.cs

@@ -3,6 +3,9 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Provides a mechanism for monitoring changes to JSON files within a specified directory.
+/// </summary>
 public class JsonFileWatcher : IDisposable
 {
     private const string JsonExtension = "*.json";
@@ -11,8 +14,16 @@ public class JsonFileWatcher : IDisposable
 
     private readonly FileSystemWatcher _filesWatcher;
 
+    /// <summary>
+    /// Occurs when a file or directory in the specified path is changed.
+    /// </summary>
     public event FileSystemEventHandler Changed;
 
+    /// <summary>
+    /// Initializes a new instance of the JsonFileWatcher class to monitor changes to JSON files in the specified
+    /// directory.
+    /// </summary>
+    /// <param name="rootDirectory">The path to the directory to monitor for changes to JSON files. Must be a valid directory path.</param>
     public JsonFileWatcher(string rootDirectory)
     {
         _filesWatcher = new(rootDirectory)
@@ -24,17 +35,26 @@ public JsonFileWatcher(string rootDirectory)
         _filesWatcher.Changed += (s, e) => Changed?.Invoke(s, e);
     }
 
+    /// <summary>
+    /// Finalizes the JsonFileWatcher instance and releases unmanaged resources before the object is reclaimed by
+    /// garbage collection.
+    /// </summary>
     ~JsonFileWatcher()
     {
         Dispose(false);
     }
 
+    /// <inheritdoc />
     public void Dispose()
     {
         Dispose(true);
         GC.SuppressFinalize(true);
     }
 
+    /// <summary>
+    /// Releases the unmanaged resources used by the object and optionally releases the managed resources.
+    /// </summary>
+    /// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
     public virtual void Dispose(bool disposing)
     {
         if (_disposed)

src/My.Extensions.Localization.Json/Internal/JsonResourceLoader.cs

@@ -4,6 +4,10 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Provides functionality to load string resources from a JSON file into a dictionary, using dot notation for nested
+/// keys.
+/// </summary>
 public static class JsonResourceLoader
 {
     private static readonly JsonDocumentOptions _jsonDocumentOptions = new()
@@ -12,7 +16,12 @@ public static class JsonResourceLoader
         AllowTrailingCommas = true,
     };
 
-
+    /// <summary>
+    /// Loads key-value pairs from a JSON resource file at the specified path.
+    /// </summary>
+    /// <param name="filePath">The path to the JSON file containing resource definitions. Must refer to an existing file.</param>
+    /// <returns>A dictionary containing resource keys and their corresponding values parsed from the file. Returns an empty
+    /// dictionary if the file does not exist or contains no resources.</returns>
     public static IDictionary<string, string> Load(string filePath)
     {
         var resources = new Dictionary<string, string>();

src/My.Extensions.Localization.Json/Internal/JsonResourceManager.cs

@@ -7,17 +7,35 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Provides access to localized string resources loaded from JSON files, supporting culture-specific lookups and
+/// optional fallback to parent UI cultures.
+/// </summary>
 public class JsonResourceManager
 {
     private readonly List<JsonFileWatcher> _jsonFileWatchers = [];
     private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, string>> _resourcesCache = new();
     private readonly ConcurrentDictionary<string, HashSet<string>> _loadedFilesCache = new();
 
+    /// <summary>
+    /// Initializes a new instance of the JsonResourceManager class using the specified resource directory and optional
+    /// resource name.
+    /// </summary>
+    /// <param name="resourcesPath">The path to the directory containing the JSON resource files. Cannot be null or empty.</param>
+    /// <param name="resourceName">The name of the resource to load. If null, the default resource name is used.</param>
     public JsonResourceManager(string resourcesPath, string resourceName = null)
         : this([resourcesPath], fallBackToParentUICultures: true, resourceName)
     {
     }
 
+    /// <summary>
+    /// Initializes a new instance of the JsonResourceManager class using the specified resource file paths and
+    /// configuration options.
+    /// </summary>
+    /// <param name="resourcesPaths">An array of file system paths to JSON resource files to be managed. If null, an empty array is used.</param>
+    /// <param name="fallBackToParentUICultures">Indicates whether resource lookups should fall back to parent UI cultures when a resource is not found for the
+    /// requested culture.</param>
+    /// <param name="resourceName">The name of the resource to be managed. If null, the manager will use the default resource name resolution.</param>
     public JsonResourceManager(string[] resourcesPaths, bool fallBackToParentUICultures, string resourceName = null)
     {
         ResourcesPaths = resourcesPaths ?? Array.Empty<string>();
@@ -30,15 +48,31 @@ public JsonResourceManager(string[] resourcesPaths, bool fallBackToParentUICultu
         }
     }
 
+    /// <summary>
+    /// Initializes a new instance of the JsonResourceManager class using the specified resource file paths and an
+    /// optional resource name.
+    /// </summary>
+    /// <param name="resourcesPaths">An array of file system paths to JSON resource files to be managed. Each path should point to a valid resource
+    /// file. Cannot be null.</param>
+    /// <param name="resourceName">The name of the resource to be used for lookups. If null, the default resource name will be used.</param>
     public JsonResourceManager(string[] resourcesPaths, string resourceName = null)
         : this(resourcesPaths, fallBackToParentUICultures: true, resourceName)
     {
     }
 
+    /// <summary>
+    /// Gets the name of the resource associated with this instance.
+    /// </summary>
     public string ResourceName { get; }
 
+    /// <summary>
+    /// Gets the collection of file system paths to resource files associated with the current instance.
+    /// </summary>
     public string[] ResourcesPaths { get; }
 
+    /// <summary>
+    /// Gets the file path to the resources file used by the application.
+    /// </summary>
     public string ResourcesFilePath { get; private set; }
 
     /// <summary>
@@ -47,6 +81,15 @@ public JsonResourceManager(string[] resourcesPaths, string resourceName = null)
     /// </summary>
     public bool FallBackToParentUICultures { get; }
 
+    /// <summary>
+    /// Retrieves the set of localized resources for the specified culture, optionally including resources from parent
+    /// cultures.
+    /// </summary>
+    /// <param name="culture">The culture for which to retrieve the resource set. This determines which localized resources are returned.</param>
+    /// <param name="tryParents">If <see langword="true"/>, resources from parent cultures are included in the result; otherwise, only resources
+    /// for the specified culture are returned.</param>
+    /// <returns>A <see cref="ConcurrentDictionary{string, string}"/> containing the resources for the specified culture, or <see
+    /// langword="null"/> if no resources are available for that culture.</returns>
     public virtual ConcurrentDictionary<string, string> GetResourceSet(CultureInfo culture, bool tryParents)
     {
         TryLoadResourceSet(culture);
@@ -84,6 +127,11 @@ public virtual ConcurrentDictionary<string, string> GetResourceSet(CultureInfo c
         }
     }
 
+    /// <summary>
+    /// Retrieves the localized string resource associated with the specified name for the current UI culture.
+    /// </summary>
+    /// <param name="name">The name of the resource to retrieve. This value is case-sensitive and must not be null.</param>
+    /// <returns>The localized string value if found; otherwise, null.</returns>
     public virtual string GetString(string name)
     {
         var culture = CultureInfo.CurrentUICulture;
@@ -116,6 +164,13 @@ public virtual string GetString(string name)
         return null;
     }
 
+    /// <summary>
+    /// Retrieves the localized string resource associated with the specified name and culture.
+    /// </summary>
+    /// <param name="name">The name of the resource to retrieve. This value is case-sensitive and must not be null.</param>
+    /// <param name="culture">The culture for which the resource should be retrieved. If the resource is not found for this culture and parent
+    /// culture fallback is enabled, parent cultures will be searched.</param>
+    /// <returns>The localized string value for the specified resource name and culture, or null if the resource is not found.</returns>
     public virtual string GetString(string name, CultureInfo culture)
     {
         GetResourceSet(culture, tryParents: FallBackToParentUICultures);

src/My.Extensions.Localization.Json/Internal/JsonStringProvider.cs

@@ -5,6 +5,13 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Provides resource string retrieval for JSON-based resource sets, supporting culture-specific access and caching of
+/// resource names.
+/// </summary>
+/// <param name="resourceNamesCache">A cache used to store and retrieve lists of resource names for specific cultures, improving performance by avoiding
+/// repeated resource enumeration.</param>
+/// <param name="jsonResourceManager">The resource manager responsible for accessing JSON resource sets and their associated strings for a given culture.</param>
 public class JsonStringProvider(IResourceNamesCache resourceNamesCache, JsonResourceManager jsonResourceManager) : IResourceStringProvider
 {
     private string GetResourceCacheKey(CultureInfo culture)
@@ -14,6 +21,7 @@ private string GetResourceCacheKey(CultureInfo culture)
         return $"Culture={culture.Name};resourceName={resourceName}";
     }
 
+    /// <inheritdoc />
     public IList<string> GetAllResourceStrings(CultureInfo culture, bool throwOnMissing)
     {
         var cacheKey = GetResourceCacheKey(culture);

src/My.Extensions.Localization.Json/Internal/PathHelpers.cs

@@ -3,7 +3,15 @@
 
 namespace My.Extensions.Localization.Json.Internal;
 
+/// <summary>
+/// Provides helper methods for working with file system paths related to the application's location.
+/// </summary>
 public static class PathHelpers
 {
+    /// <summary>
+    /// Gets the root directory of the currently executing application.
+    /// </summary>
+    /// <returns>A string containing the full path to the application's root directory. Returns null if the directory cannot be
+    /// determined.</returns>
     public static string GetApplicationRoot() => Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
 }

src/My.Extensions.Localization.Json/JsonLocalizationOptions.cs

@@ -2,9 +2,18 @@
 
 namespace My.Extensions.Localization.Json;
 
+/// <summary>
+/// Provides configuration options for JSON-based localization, including resource type and resource path settings.
+/// </summary>
 public class JsonLocalizationOptions : LocalizationOptions
 {
+    /// <summary>
+    /// Gets or sets the strategy used to determine how resources are categorized or accessed.
+    /// </summary>
     public ResourcesType ResourcesType { get; set; } = ResourcesType.TypeBased;
 
+    /// <summary>
+    /// Gets or sets the collection of file system paths to resource directories used by the application.
+    /// </summary>
     public new string[] ResourcesPath { get; set; } = [];
 }

src/My.Extensions.Localization.Json/JsonLocalizationServiceCollectionExtensions.cs

@@ -6,8 +6,17 @@
 
 namespace Microsoft.Extensions.DependencyInjection;
 
+/// <summary>
+/// Provides extension methods for registering JSON-based localization services with an <see
+/// cref="IServiceCollection"/>.
+/// </summary>
 public static class JsonLocalizationServiceCollectionExtensions
 {
+    /// <summary>
+    /// Adds JSON-based localization services to the specified service collection.
+    /// </summary>
+    /// <param name="services">The service collection to which the JSON localization services will be added. Cannot be null.</param>
+    /// <returns>The same service collection instance, with JSON localization services registered.</returns>
     public static IServiceCollection AddJsonLocalization(this IServiceCollection services)
     {
         ArgumentNullException.ThrowIfNull(services);
@@ -19,6 +28,12 @@ public static IServiceCollection AddJsonLocalization(this IServiceCollection ser
         return services;
     }
 
+    /// <summary>
+    /// Adds JSON-based localization services to the specified service collection.
+    /// </summary>
+    /// <param name="services">The service collection to which the JSON localization services will be added. Cannot be null.</param>
+    /// <param name="setupAction">An action to configure the JSON localization options. Cannot be null.</param>
+    /// <returns>The same instance of <see cref="IServiceCollection"/> with JSON localization services registered.</returns>
     public static IServiceCollection AddJsonLocalization(this IServiceCollection services, Action<JsonLocalizationOptions> setupAction)
     {
         ArgumentNullException.ThrowIfNull(services);