[browser] loader ES6 module

eng/liveBuilds.targets

@@ -195,11 +195,13 @@
       <LibrariesRuntimeFiles Condition="'$(TargetOS)' == 'browser'"
                              Include="
         $(LibrariesNativeArtifactsPath)dotnet.js;
+        $(LibrariesNativeArtifactsPath)dotnet.native.js;
+        $(LibrariesNativeArtifactsPath)dotnet.runtime.js;
         $(LibrariesNativeArtifactsPath)dotnet.d.ts;
         $(LibrariesNativeArtifactsPath)dotnet-legacy.d.ts;
         $(LibrariesNativeArtifactsPath)package.json;
-        $(LibrariesNativeArtifactsPath)dotnet.wasm;
-        $(LibrariesNativeArtifactsPath)dotnet.js.symbols;
+        $(LibrariesNativeArtifactsPath)dotnet.native.wasm;
+        $(LibrariesNativeArtifactsPath)dotnet.native.js.symbols;
         $(LibrariesNativeArtifactsPath)*.dat;"
         IsNative="true" />
       <!-- for threaded wasm -->

eng/testing/tests.browser.targets

@@ -105,7 +105,7 @@
     <_XHarnessArgs Condition="'$(IsFunctionalTest)' == 'true'"     >$(_XHarnessArgs) --expected-exit-code=$(ExpectedExitCode)</_XHarnessArgs>
     <_XHarnessArgs Condition="'$(WasmXHarnessArgs)' != ''"         >$(_XHarnessArgs) $(WasmXHarnessArgs)</_XHarnessArgs>
     <_XHarnessArgs Condition="('$(WasmEnableThreads)' == 'true' or '$(WasmEnablePerfTracing)' == 'true') and '$(_XHarnessArs.Contains(&quot;--web-server-use-cop&quot;)' != 'true'">$(_XHarnessArgs) --web-server-use-cop</_XHarnessArgs>
-    <_XHarnessArgs                                                 >$(_XHarnessArgs) -s dotnet.js.symbols</_XHarnessArgs>
+    <_XHarnessArgs                                                 >$(_XHarnessArgs) -s dotnet.native.js.symbols</_XHarnessArgs>
     <_XHarnessArgs Condition="'$(_UseWasmSymbolicator)' == 'true'" >$(_XHarnessArgs) --symbol-patterns wasm-symbol-patterns.txt</_XHarnessArgs>
     <_XHarnessArgs Condition="'$(_UseWasmSymbolicator)' == 'true'" >$(_XHarnessArgs) --symbolicator WasmSymbolicator.dll,Microsoft.WebAssembly.Internal.SymbolicatorWrapperForXHarness</_XHarnessArgs>
     <_XHarnessArgs Condition="'$(_WasmBrowserPathForTests)' != ''" >$(_XHarnessArgs) &quot;--browser-path=$(_WasmBrowserPathForTests)&quot;</_XHarnessArgs>

src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props

@@ -237,11 +237,13 @@
     <PlatformManifestFileEntry Include="libmono-wasm-eh-wasm.a" IsNative="true" />
     <PlatformManifestFileEntry Include="wasm-bundled-timezones.a" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet.js" IsNative="true" />
-    <PlatformManifestFileEntry Include="dotnet.worker.js" IsNative="true" />
-    <PlatformManifestFileEntry Include="dotnet.js.symbols" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.runtime.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.native.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.native.worker.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.native.js.symbols" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet.d.ts" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet-legacy.d.ts" IsNative="true" />
-    <PlatformManifestFileEntry Include="dotnet.wasm" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.native.wasm" IsNative="true" />
     <PlatformManifestFileEntry Include="icudt.dat" IsNative="true" />
     <PlatformManifestFileEntry Include="icudt_no_CJK.dat" IsNative="true" />
     <PlatformManifestFileEntry Include="icudt_CJK.dat" IsNative="true" />
@@ -250,7 +252,6 @@
     <PlatformManifestFileEntry Include="icudt_optimal_no_CJK.dat" IsNative="true" />
     <PlatformManifestFileEntry Include="package.json" IsNative="true" />
     <PlatformManifestFileEntry Include="pal_random.lib.js" IsNative="true" />
-    <PlatformManifestFileEntry Include="runtime.es6.iffe.js" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet.es6.pre.js" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet.es6.lib.js" IsNative="true" />
     <PlatformManifestFileEntry Include="dotnet.es6.extpost.js" IsNative="true" />
@@ -271,6 +272,7 @@
     <PlatformManifestFileEntry Include="driver.h" IsNative="true" />
     <PlatformManifestFileEntry Include="stubs.c" IsNative="true" />
     <PlatformManifestFileEntry Include="synthetic-pthread.c" IsNative="true" />
+    <PlatformManifestFileEntry Include="dotnet.wasm" IsNative="true" />
     <!-- ICU-specific files -->
     <PlatformManifestFileEntry Include="libicudata.a" IsNative="true" />
     <PlatformManifestFileEntry Include="libicui18n.a" IsNative="true" />

src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/SecondRuntimeTest.js

@@ -1,6 +1,11 @@
 export async function runSecondRuntimeAndTestStaticState() {
-    const { dotnet: dotnet2 } = await import('./dotnet.js?2');
-    const runtime2 = await dotnet2.create();
+    const { dotnet: dotnet2 } = await import('./dotnet.js?instance=2');
+    const runtime2 = await dotnet2
+        .withStartupMemoryCache(false)
+        .withConfig({
+            assetUniqueQuery: "?instance=2",
+        })
+        .create();
 
     const increment1 = await getIncrementStateFunction(App.runtime);
     const increment2 = await getIncrementStateFunction(runtime2);

src/mono/nuget/Microsoft.NET.Sdk.WebAssembly.Pack/build/Microsoft.NET.Sdk.WebAssembly.Browser.targets

@@ -189,7 +189,7 @@ Copyright (c) .NET Foundation. All rights reserved.
 
       <!-- Remove dotnet.js/wasm from runtime pack, in favor of the relinked ones in @(WasmNativeAsset) -->
       <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)"
-                               Condition="@(WasmNativeAsset->Count()) > 0 and '%(FileName)' == 'dotnet' and ('%(Extension)' == '.wasm' or '%(Extension)' == '.js')" />
+                               Condition="@(WasmNativeAsset->Count()) > 0 and ( '%(FileName)' == 'dotnet' or '%(FileName)' == 'dotnet.native' ) and ('%(Extension)' == '.wasm' or '%(Extension)' == '.js')" />
     </ItemGroup>
 
     <ComputeWasmBuildAssets

src/mono/sample/wasm/Directory.Build.targets

@@ -31,7 +31,8 @@
       $(TargetFileName)
       "
       Outputs="
-      bin/$(Configuration)/AppBundle/dotnet.wasm;
+      bin/$(Configuration)/AppBundle/dotnet.native.wasm;
+      bin/$(Configuration)/AppBundle/dotnet.native.js;
       bin/$(Configuration)/AppBundle/$(_WasmMainJSFileName);
       ">
     <PropertyGroup>

src/mono/sample/wasm/browser-advanced/index.html

@@ -10,7 +10,9 @@
   <script type='module' src="./main.js"></script>
   <script type='module' src="./dotnet.js"></script>
   <link rel="preload" href="./mono-config.json" as="fetch" crossorigin="anonymous">
-  <link rel="prefetch" href="./dotnet.wasm" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.native.js" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.runtime.js" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.native.wasm" as="fetch" crossorigin="anonymous">
   <!-- users should consider if they optimize for the first load or subsequent load from memory snapshot -->
   <link rel="prefetch" href="./icudt.dat" as="fetch" crossorigin="anonymous">
   <link rel="prefetch" href="./managed/System.Private.CoreLib.webcil" as="fetch" crossorigin="anonymous">

src/mono/sample/wasm/browser-bench/appstart-frame.html

@@ -10,7 +10,9 @@
   <script type="module" src="./frame-main.js"></script>
   <script type='module' src="./dotnet.js"></script>
   <link rel="preload" href="./mono-config.json" as="fetch" crossorigin="anonymous">
-  <link rel="prefetch" href="./dotnet.wasm" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.native.js" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.runtime.js" as="fetch" crossorigin="anonymous">
+  <link rel="prefetch" href="./dotnet.native.wasm" as="fetch" crossorigin="anonymous">
   <!-- users should consider if they optimize for the first load or subsequent load from memory snapshot -->
   <link rel="prefetch" href="./managed/System.Private.CoreLib.dll" as="fetch" crossorigin="anonymous">
 </head>

src/mono/sample/wasm/browser-webpack/Wasm.Browser.WebPack.Sample.csproj

@@ -10,13 +10,17 @@
 
 
   <Target Name="CopyRelinkedPackage" AfterTargets="WasmBuildApp" DependsOnTargets="Build" Inputs="$(WasmAppDir)/dotnet.js;
-          $(WasmAppDir)/dotnet.wasm;
+          $(WasmAppDir)/dotnet.runtime.js;
+          $(WasmAppDir)/dotnet.native.js;
+          $(WasmAppDir)/dotnet.native.wasm;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet.d.ts;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet-legacy.d.ts;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/package.json;" Outputs="bin/dotnet-runtime/.npm-stamp">
     <ItemGroup>
       <NpmPackageFiles Include="$(WasmAppDir)/dotnet.js"/>
-      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.wasm"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.runtime.js"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.native.js"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.native.wasm"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet.d.ts"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet-legacy.d.ts"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/package.json"/>

src/mono/sample/wasm/node-webpack/Wasm.Node.WebPack.Sample.csproj

@@ -5,13 +5,17 @@
   </PropertyGroup>
 
   <Target Name="CopyRelinkedPackage" AfterTargets="WasmBuildApp" DependsOnTargets="Build" Inputs="$(WasmAppDir)/dotnet.js;
-          $(WasmAppDir)/dotnet.wasm;
+          $(WasmAppDir)/dotnet.runtime.js;
+          $(WasmAppDir)/dotnet.native.js;
+          $(WasmAppDir)/dotnet.native.wasm;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet.d.ts;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet-legacy.d.ts;
           $(MicrosoftNetCoreAppRuntimePackNativeDir)/package.json;" Outputs="bin/dotnet-runtime/.npm-stamp">
     <ItemGroup>
       <NpmPackageFiles Include="$(WasmAppDir)/dotnet.js"/>
-      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.wasm"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.runtime.js"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.native.js"/>
+      <NpmPackageFiles Include="$(WasmAppDir)/dotnet.native.wasm"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet.d.ts"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/dotnet-legacy.d.ts"/>
       <NpmPackageFiles Include="$(MicrosoftNetCoreAppRuntimePackNativeDir)/package.json"/>

src/mono/wasm/README.md

@@ -133,13 +133,13 @@ The wrapper script used to actually run these tests, accepts:
 
 Exceptions thrown after the runtime starts get symbolicating from js itself. Exceptions before that, like asserts containing native traces get symbolicated by xharness using `src/mono/wasm/symbolicator`.
 
-If you need to symbolicate some traces manually, then you need the corresponding `dotnet.js.symbols` file. Then:
+If you need to symbolicate some traces manually, then you need the corresponding `dotnet.native.js.symbols` file. Then:
 
 ```console
-src/mono/wasm/symbolicator$ dotnet run /path/to/dotnet.js.symbols /path/to/file/with/traces
+src/mono/wasm/symbolicator$ dotnet run /path/to/dotnet.native.js.symbols /path/to/file/with/traces
 ```
 
-When not relinking, or not building with AOT, you can find `dotnet.js.symbols` in the runtime pack.
+When not relinking, or not building with AOT, you can find `dotnet.native.js.symbols` in the runtime pack.
 
 ## Debugger tests on macOS
 

src/mono/wasm/Wasm.Build.Tests/Blazor/BuildPublishTests.cs

@@ -33,11 +33,11 @@ public void DefaultTemplate_WithoutWorkload(string config)
 
         // Build
         BlazorBuildInternal(id, config, publish: false);
-        AssertBlazorBootJson(config, isPublish: false);
+        AssertBlazorBootJson(config, isPublish: false, isNet7AndBelow: false);
 
         // Publish
         BlazorBuildInternal(id, config, publish: true);
-        AssertBlazorBootJson(config, isPublish: true);
+        AssertBlazorBootJson(config, isPublish: true, isNet7AndBelow: false);
     }
 
     [Theory]

src/mono/wasm/Wasm.Build.Tests/Blazor/MiscTests2.cs

@@ -127,7 +127,7 @@ private void BuildNet50Project(string config, bool aot, bool expectError, string
             Assert.Contains("** UsingBrowserRuntimeWorkload: 'false'", result.Output);
 
             string binFrameworkDir = FindBlazorBinFrameworkDir(config, forPublish: true, framework: "net5.0");
-            AssertBlazorBootJson(config, isPublish: true, binFrameworkDir: binFrameworkDir);
+            AssertBlazorBootJson(config, isPublish: true, isNet7AndBelow: true, binFrameworkDir: binFrameworkDir);
             // dotnet.wasm here would be from 5.0 nuget like:
             // /Users/radical/.nuget/packages/microsoft.netcore.app.runtime.browser-wasm/5.0.9/runtimes/browser-wasm/native/dotnet.wasm
         }

src/mono/wasm/Wasm.Build.Tests/BuildTestBase.cs

@@ -621,22 +621,22 @@ protected void AssertDotNetNativeFiles(NativeFilesType type, string config, bool
                 _ => throw new ArgumentOutOfRangeException(nameof(type))
             };
 
-            AssertSameFile(Path.Combine(srcDir, "dotnet.wasm"), Path.Combine(binFrameworkDir, "dotnet.wasm"), label);
+            AssertSameFile(Path.Combine(srcDir, "dotnet.native.wasm"), Path.Combine(binFrameworkDir, "dotnet.native.wasm"), label);
 
             // find dotnet*js
             string? dotnetJsPath = Directory.EnumerateFiles(binFrameworkDir)
-                                    .Where(p => Path.GetFileName(p).StartsWith("dotnet.", StringComparison.OrdinalIgnoreCase) &&
+                                    .Where(p => Path.GetFileName(p).StartsWith("dotnet.native", StringComparison.OrdinalIgnoreCase) &&
                                                     Path.GetFileName(p).EndsWith(".js", StringComparison.OrdinalIgnoreCase))
                                     .SingleOrDefault();
 
-            Assert.True(!string.IsNullOrEmpty(dotnetJsPath), $"[{label}] Expected to find dotnet*js in {binFrameworkDir}");
-            AssertSameFile(Path.Combine(srcDir, "dotnet.js"), dotnetJsPath!, label);
+            Assert.True(!string.IsNullOrEmpty(dotnetJsPath), $"[{label}] Expected to find dotnet.native*js in {binFrameworkDir}");
+            AssertSameFile(Path.Combine(srcDir, "dotnet.native.js"), dotnetJsPath!, label);
 
             if (type != NativeFilesType.FromRuntimePack)
             {
                 // check that the files are *not* from runtime pack
-                AssertNotSameFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.wasm"), Path.Combine(binFrameworkDir, "dotnet.wasm"), label);
-                AssertNotSameFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.js"), dotnetJsPath!, label);
+                AssertNotSameFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.wasm"), Path.Combine(binFrameworkDir, "dotnet.native.wasm"), label);
+                AssertNotSameFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.js"), dotnetJsPath!, label);
             }
         }
 
@@ -667,9 +667,11 @@ protected static void AssertBasicAppBundle(string bundleDir,
             var filesToExist = new List<string>()
             {
                 mainJS,
-                "dotnet.wasm",
+                "dotnet.native.wasm",
                 "mono-config.json",
-                "dotnet.js"
+                "dotnet.js",
+                "dotnet.native.js",
+                "dotnet.runtime.js"
             };
 
             if (isBrowserProject)
@@ -751,20 +753,20 @@ void AssertIcuAssets()
 
         protected static void AssertDotNetWasmJs(string bundleDir, bool fromRuntimePack, string targetFramework)
         {
-            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.wasm"),
-                       Path.Combine(bundleDir, "dotnet.wasm"),
-                       "Expected dotnet.wasm to be same as the runtime pack",
+            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.wasm"),
+                       Path.Combine(bundleDir, "dotnet.native.wasm"),
+                       "Expected dotnet.native.wasm to be same as the runtime pack",
                        same: fromRuntimePack);
 
-            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.js"),
-                       Path.Combine(bundleDir, "dotnet.js"),
-                       "Expected dotnet.js to be same as the runtime pack",
+            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.js"),
+                       Path.Combine(bundleDir, "dotnet.native.js"),
+                       "Expected dotnet.native.js to be same as the runtime pack",
                        same: fromRuntimePack);
         }
 
         protected static void AssertDotNetJsSymbols(string bundleDir, bool fromRuntimePack, string targetFramework)
-            => AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.js.symbols"),
-                            Path.Combine(bundleDir, "dotnet.js.symbols"),
+            => AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.js.symbols"),
+                            Path.Combine(bundleDir, "dotnet.native.js.symbols"),
                             same: fromRuntimePack);
 
         protected static void AssertFilesDontExist(string dir, string[] filenames, string? label = null)
@@ -819,22 +821,22 @@ protected void AssertBlazorBundle(string config, bool isPublish, bool dotnetWasm
         {
             binFrameworkDir ??= FindBlazorBinFrameworkDir(config, isPublish, targetFramework);
 
-            AssertBlazorBootJson(config, isPublish, targetFramework, binFrameworkDir: binFrameworkDir);
-            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.wasm"),
-                       Path.Combine(binFrameworkDir, "dotnet.wasm"),
-                       "Expected dotnet.wasm to be same as the runtime pack",
+            AssertBlazorBootJson(config, isPublish, targetFramework != DefaultTargetFrameworkForBlazor, targetFramework, binFrameworkDir: binFrameworkDir);
+            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.wasm"),
+                       Path.Combine(binFrameworkDir, "dotnet.native.wasm"),
+                       "Expected dotnet.native.wasm to be same as the runtime pack",
                        same: dotnetWasmFromRuntimePack);
 
-            string? dotnetJsPath = Directory.EnumerateFiles(binFrameworkDir, "dotnet.*.js").FirstOrDefault();
+            string? dotnetJsPath = Directory.EnumerateFiles(binFrameworkDir, "dotnet.native.*.js").FirstOrDefault();
             Assert.True(dotnetJsPath != null, $"Could not find blazor's dotnet*js in {binFrameworkDir}");
 
-            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.js"),
+            AssertFile(Path.Combine(s_buildEnv.GetRuntimeNativeDir(targetFramework), "dotnet.native.js"),
                         dotnetJsPath!,
-                        "Expected dotnet.js to be same as the runtime pack",
+                        "Expected dotnet.native.js to be same as the runtime pack",
                         same: dotnetWasmFromRuntimePack);
         }
 
-        protected void AssertBlazorBootJson(string config, bool isPublish, string targetFramework = DefaultTargetFrameworkForBlazor, string? binFrameworkDir=null)
+        protected void AssertBlazorBootJson(string config, bool isPublish, bool isNet7AndBelow, string targetFramework = DefaultTargetFrameworkForBlazor, string? binFrameworkDir=null)
         {
             binFrameworkDir ??= FindBlazorBinFrameworkDir(config, isPublish, targetFramework);
 
@@ -847,7 +849,7 @@ protected void AssertBlazorBootJson(string config, bool isPublish, string target
             Assert.NotNull(runtimeObj);
 
             string msgPrefix=$"[{( isPublish ? "publish" : "build" )}]";
-            Assert.True(runtimeObj!.Where(kvp => kvp.Key == "dotnet.wasm").Any(), $"{msgPrefix} Could not find dotnet.wasm entry in blazor.boot.json");
+            Assert.True(runtimeObj!.Where(kvp => kvp.Key == (isNet7AndBelow ? "dotnet.wasm" : "dotnet.native.wasm")).Any(), $"{msgPrefix} Could not find dotnet.native.wasm entry in blazor.boot.json");
             Assert.True(runtimeObj!.Where(kvp => kvp.Key.StartsWith("dotnet.", StringComparison.OrdinalIgnoreCase) &&
                                                     kvp.Key.EndsWith(".js", StringComparison.OrdinalIgnoreCase)).Any(),
                                             $"{msgPrefix} Could not find dotnet.*js in {bootJson}");