[MVC] Preserve type attribute when defined in Script tag helper

src/Mvc/Mvc.TagHelpers/src/ScriptTagHelper.cs

@@ -265,6 +265,11 @@ public override void Process(TagHelperContext context, TagHelperOutput output)
             output.CopyHtmlAttribute(SrcAttributeName, context);
         }
 
+        if (Type != null)
+        {
+            output.CopyHtmlAttribute(TypeAttributeName, context);
+        }
+
         // If there's no "src" attribute in output.Attributes this will noop.
         ProcessUrlAttribute(SrcAttributeName, output);
 

src/Mvc/Mvc.TagHelpers/test/ScriptTagHelperTest.cs

@@ -1025,6 +1025,44 @@ public void RenderScriptTags_GlobbedSrc_WithFileVersion_WithStaticAssets()
         Assert.Equal(expectedContent, content);
     }
 
+    [Theory]
+    [InlineData("~/js/site.js")]
+    [InlineData("/approot/js/site.js")]
+    public void RenderScriptTags_PathBase_WithFileVersion_UsingResourceCollection_PreservesModule(string path)
+    {
+        // Arrange
+        var context = MakeTagHelperContext(
+            attributes: new TagHelperAttributeList
+            {
+                    new TagHelperAttribute("src", path),
+                    new TagHelperAttribute("type", "module"),
+                    new TagHelperAttribute("asp-append-version", "true")
+            });
+        var output = MakeTagHelperOutput("script", attributes: new TagHelperAttributeList());
+
+        var urlHelperFactory = MakeUrlHelperFactory(value =>
+        {
+            return value.StartsWith("~/", StringComparison.Ordinal) ?
+                value.Replace("~/", "/approot/") :
+                value;
+        });
+
+        var helper = GetHelper(urlHelperFactory: urlHelperFactory);
+        helper.ViewContext.HttpContext.SetEndpoint(CreateEndpoint());
+        helper.ViewContext.HttpContext.Request.PathBase = "/approot";
+        helper.Src = path;
+        helper.Type = "module";
+        helper.AppendVersion = true;
+
+        // Act
+        helper.Process(context, output);
+
+        // Assert
+        Assert.Equal("script", output.TagName);
+        Assert.Equal("module", output.Attributes["type"].Value);
+        Assert.Equal("/approot/js/site.fingerprint.js", output.Attributes["src"].Value);
+    }
+
     private static ScriptTagHelper GetHelper(
         IWebHostEnvironment hostingEnvironment = null,
         IUrlHelperFactory urlHelperFactory = null,