fix(vite): resolve HMR resources from the extractor, not a text scan

napi/angular-compiler/e2e/tests/hmr-multi-component.spec.ts

@@ -6,9 +6,9 @@ import { test, expect } from '../fixtures/test-fixture.js'
  *   - receive its own per-component HMR update when its template or styles
  *     change (NO full reload), without disturbing the sibling component.
  *
- * Guards the per-component cache + dispatch wiring (componentsByFile,
- * filePath@ClassName-keyed inlineTemplateCache / inlineStylesCache,
- * pendingHmrUpdates per componentId).
+ * Guards the per-component dispatch wiring (componentsByFile, one
+ * `filePath@ClassName` entry in pendingHmrUpdates per componentId, and the
+ * per-class metadata the `@ng/component` endpoint resolves for each).
  */
 test.describe('Multi-component file HMR', () => {
   test.beforeEach(async ({ page }) => {

napi/angular-compiler/index.d.ts

@@ -271,6 +271,26 @@ export declare function extractAngularComponentByAst(
   className: string,
 ): ComponentExtractionResult
 
+/**
+ * Extract component metadata from all `@Component` decorated classes in a TypeScript file.
+ *
+ * This parses the file and extracts metadata from `@Component` decorators
+ * on class declarations.
+ *
+ * # Arguments
+ *
+ * * `source` - The TypeScript source code
+ * * `file_path` - The file path (for error messages and source type detection)
+ *
+ * # Returns
+ *
+ * A vector of `ExtractedComponentMetadata` for each component found.
+ */
+export declare function extractComponentMetadataSync(
+  source: string,
+  filePath: string,
+): Array<ExtractedComponentMetadata>
+
 /**
  * Extract templateUrl and styleUrls from all @Component decorators in a file (async).
  *

napi/angular-compiler/index.js

@@ -902,6 +902,7 @@ const {
   encapsulateStyle,
   encodeComponentId,
   extractAngularComponentByAst,
+  extractComponentMetadataSync,
   extractComponentUrls,
   generateHmrModule,
   generateStyleModule,
@@ -922,6 +923,7 @@ export { decodeComponentId }
 export { encapsulateStyle }
 export { encodeComponentId }
 export { extractAngularComponentByAst }
+export { extractComponentMetadataSync }
 export { extractComponentUrls }
 export { generateHmrModule }
 export { generateStyleModule }

napi/angular-compiler/src/lib.rs

@@ -1544,6 +1544,7 @@ pub struct ExtractedComponentMetadata {
 /// # Returns
 ///
 /// A vector of `ExtractedComponentMetadata` for each component found.
+#[napi]
 pub fn extract_component_metadata_sync(
     source: String,
     file_path: String,