[browser] Add withDownloadResourceProgress to DotnetHostBuilder

src/mono/browser/runtime/dotnet.d.ts

@@ -111,6 +111,10 @@ interface DotnetHostBuilder {
      * Sets application culture. This is a name specified in the BCP 47 format. See https://tools.ietf.org/html/bcp47
      */
     withApplicationCulture(applicationCulture?: string): DotnetHostBuilder;
+    /**
+     * Sets a callback that is invoked after each resource finishes downloading.
+     */
+    withDownloadResourceProgress(callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder;
     /**
      * Overrides the built-in boot resource loading mechanism so that boot resources can be fetched
      * from a custom source, such as an external CDN.

src/mono/browser/runtime/loader/run.ts

@@ -215,6 +215,18 @@ export class HostBuilder implements DotnetHostBuilder {
         }
     }
 
+    withDownloadResourceProgress (callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder {
+        try {
+            deep_merge_module(emscriptenModule, {
+                onDownloadResourceProgress: callback
+            });
+            return this;
+        } catch (err) {
+            mono_exit(1, err);
+            throw err;
+        }
+    }
+
     withResourceLoader (loadBootResource?: LoadBootResourceCallback): DotnetHostBuilder {
         try {
             loaderHelpers.loadBootResource = loadBootResource;

src/mono/browser/runtime/types/index.ts

@@ -59,6 +59,10 @@ export interface DotnetHostBuilder {
      * Sets application culture. This is a name specified in the BCP 47 format. See https://tools.ietf.org/html/bcp47
      */
     withApplicationCulture(applicationCulture?: string): DotnetHostBuilder;
+    /**
+     * Sets a callback that is invoked after each resource finishes downloading.
+     */
+    withDownloadResourceProgress(callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder;
     /**
      * Overrides the built-in boot resource loading mechanism so that boot resources can be fetched
      * from a custom source, such as an external CDN.

src/mono/wasm/testassets/WasmBasicTestApp/App/wwwroot/main.js

@@ -121,12 +121,10 @@ switch (testCase) {
                 throw error;
             });
         }
-        dotnet.withModuleConfig({
-            onDownloadResourceProgress: (loaded, total) => {
-                console.log(`DownloadResourceProgress: ${loaded} / ${total}`);
-                if (loaded === total && loaded !== 0) {
-                    testOutput("DownloadResourceProgress: Finished");
-                }
+        dotnet.withDownloadResourceProgress((loaded, total) => {
+            console.log(`DownloadResourceProgress: ${loaded} / ${total}`);
+            if (loaded === total && loaded !== 0) {
+                testOutput("DownloadResourceProgress: Finished");
             }
         });
         break;

src/native/libs/Common/JavaScript/loader/dotnet.d.ts

@@ -99,6 +99,10 @@ interface DotnetHostBuilder {
      * Sets application culture. This is a name specified in the BCP 47 format. See https://tools.ietf.org/html/bcp47
      */
     withApplicationCulture(applicationCulture?: string): DotnetHostBuilder;
+    /**
+     * Sets a callback that is invoked after each resource finishes downloading.
+     */
+    withDownloadResourceProgress(callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder;
     /**
      * Overrides the built-in boot resource loading mechanism so that boot resources can be fetched
      * from a custom source, such as an external CDN.

src/native/libs/Common/JavaScript/loader/host-builder.ts

@@ -91,6 +91,10 @@ export class HostBuilder implements DotnetHostBuilder {
         });
         return this;
     }
+    withDownloadResourceProgress(callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder {
+        Module.onDownloadResourceProgress = callback;
+        return this;
+    }
     withResourceLoader(loadBootResource?: LoadBootResourceCallback): DotnetHostBuilder {
         setLoadBootResourceCallback(loadBootResource);
         return this;

src/native/libs/Common/JavaScript/types/public-api.ts

@@ -63,6 +63,10 @@ export interface DotnetHostBuilder {
      * Sets application culture. This is a name specified in the BCP 47 format. See https://tools.ietf.org/html/bcp47
      */
     withApplicationCulture(applicationCulture?: string): DotnetHostBuilder;
+    /**
+     * Sets a callback that is invoked after each resource finishes downloading.
+     */
+    withDownloadResourceProgress(callback?: (resourcesLoaded: number, totalResources: number) => void): DotnetHostBuilder;
     /**
      * Overrides the built-in boot resource loading mechanism so that boot resources can be fetched
      * from a custom source, such as an external CDN.
@@ -739,4 +743,3 @@ export declare const dotnet: DotnetHostBuilder;
 
 export declare const createDotnetRuntime: CreateDotnetRuntimeType;
 
-