[wasm] add missing API xml doc

src/libraries/System.Runtime.InteropServices.JavaScript/ref/System.Runtime.InteropServices.JavaScript.cs

@@ -152,6 +152,7 @@ public static class JSHost
 [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
 public sealed class JSFunctionBinding
 {
+    internal JSFunctionBinding() { throw null; }
     public static void InvokeJS(JSFunctionBinding signature, Span<JSMarshalerArgument> arguments) { throw null; }
     public static JSFunctionBinding BindJSFunction(string functionName, string moduleName, ReadOnlySpan<JSMarshalerType> signatures) { throw null; }
     public static JSFunctionBinding BindManagedFunction(string fullyQualifiedName, int signatureHash, ReadOnlySpan<JSMarshalerType> signatures) { throw null; }

src/libraries/System.Runtime.InteropServices.JavaScript/src/System/Runtime/InteropServices/JavaScript/JSFunctionBinding.cs

@@ -6,6 +6,7 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.Versioning;
 
+
 namespace System.Runtime.InteropServices.JavaScript
 {
     /// <summary>
@@ -15,8 +16,13 @@ namespace System.Runtime.InteropServices.JavaScript
     [CLSCompliant(false)]
     [SupportedOSPlatform("browser")]
     [EditorBrowsable(EditorBrowsableState.Never)]
-    public sealed partial class JSFunctionBinding
+    public sealed class JSFunctionBinding
     {
+        /// <summary>
+        /// Internal
+        /// </summary>
+        internal JSFunctionBinding() { }
+
         #region intentionally opaque internal structure
         internal unsafe JSBindingHeader* Header;
         internal unsafe JSBindingType* Sigs;// points to first arg, not exception, not result
@@ -118,6 +124,8 @@ internal unsafe JSBindingType this[int position]
         /// Invokes a previously bound JavaScript function using the provided span to transport argument and return values.
         /// This API supports JSImport infrastructure and is not intended to be used directly from your code.
         /// </summary>
+        /// <param name="signature">Generated metadata about method signature used for marshaling.</param>
+        /// <param name="arguments">Intermediate buffer with marshaled arguments.</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void InvokeJS(JSFunctionBinding signature, Span<JSMarshalerArgument> arguments)
         {
@@ -128,6 +136,11 @@ public static void InvokeJS(JSFunctionBinding signature, Span<JSMarshalerArgumen
         /// Locates and binds a JavaScript function given name and module so that it can later be invoked by managed callers.
         /// This API supports JSImport infrastructure and is not intended to be used directly from your code.
         /// </summary>
+        /// <param name="functionName">Name of the exported JavaScript function.</param>
+        /// <param name="moduleName">Name of the ES6 module</param>
+        /// <param name="signatures">Metadata about the signature of the marshaled parameters.</param>
+        /// <returns>Method metadata.</returns>
+        /// <exception cref="PlatformNotSupportedException">Will be thrown when the method was execute on architecture other than WebAssembly.</exception>
         // JavaScriptExports need to be protected from trimming because they are used from C/JS code which IL linker can't see
         [DynamicDependency(DynamicallyAccessedMemberTypes.PublicMethods, "System.Runtime.InteropServices.JavaScript.JavaScriptExports", "System.Runtime.InteropServices.JavaScript")]
         // TODO make this DynamicDependency conditional
@@ -144,6 +157,11 @@ public static JSFunctionBinding BindJSFunction(string functionName, string modul
         /// Binds a specific managed function wrapper so that it can later be invoked by JavaScript callers.
         /// This API supports JSImport infrastructure and is not intended to be used directly from your code.
         /// </summary>
+        /// <param name="fullyQualifiedName">Fully qualified name of the exported method.</param>
+        /// <param name="signatureHash">Hash of the signature metadata.</param>
+        /// <param name="signatures">Metadata about the signature of the marshaled parameters.</param>
+        /// <returns>Method metadata.</returns>
+        /// <exception cref="PlatformNotSupportedException">Will be thrown when the method was execute on architecture other than WebAssembly.</exception>
         public static JSFunctionBinding BindManagedFunction(string fullyQualifiedName, int signatureHash, ReadOnlySpan<JSMarshalerType> signatures)
         {
             if (RuntimeInformation.OSArchitecture != Architecture.Wasm)

src/libraries/System.Runtime.InteropServices.JavaScript/src/System/Runtime/InteropServices/JavaScript/JSHost.cs

@@ -15,7 +15,7 @@ namespace System.Runtime.InteropServices.JavaScript
     public static partial class JSHost
     {
         /// <summary>
-        /// Returns a proxy for the <see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis">globalThis</see> JavaScript host object.
+        /// Returns a proxy for the <see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis">globalThis.</see> JavaScript host object.
         /// </summary>
         public static JSObject GlobalThis
         {
@@ -37,7 +37,7 @@ public static JSObject DotnetInstance
         }
 
         /// <summary>
-        /// Download and instantiate an ES6 module from the provided URL, via the JavaScript host's <see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import">dynamic import API</see>.
+        /// Download and instantiate an ES6 module from the provided URL, via the JavaScript host's <see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import">dynamic import API.</see>.
         /// If a module with the provided <paramref name="moduleName"/> has previously been instantiated, it will be returned instead.
         /// </summary>
         /// <param name="moduleName">Globally unique identifier of the ES6 module, which is used by <see cref="JSImportAttribute(string, string)"/>.</param>