angular
diff --git a/‎package.json
+1 b/‎package.json
+1
diff --git a/‎packages/compiler-cli/src/ngtsc/core/src/compiler.ts
+6-2 b/‎packages/compiler-cli/src/ngtsc/core/src/compiler.ts
+6-2
diff --git a/‎packages/compiler-cli/src/ngtsc/transform/index.ts
+1 b/‎packages/compiler-cli/src/ngtsc/transform/index.ts
+1
@@ -62,6 +62,7 @@
     "@babel/generator": "7.27.0",
     "@bazel/concatjs": "5.8.1",
     "@bazel/esbuild": "5.8.1",
+    "esbuild": "0.21.4",
     "@bazel/jasmine": "5.8.1",
     "@bazel/protractor": "5.8.1",
     "@bazel/rollup": "5.8.1",
 
@@ -107,6 +107,7 @@ import {
   DtsTransformRegistry,
   ivyTransformFactory,
   TraitCompiler,
+  signalMetadataTransform,
 } from '../../transform';
 import {TemplateTypeCheckerImpl} from '../../typecheck';
 import {OptimizeFor, TemplateTypeChecker, TypeCheckingConfig} from '../../typecheck/api';
@@ -819,7 +820,7 @@ export class NgCompiler {
 
     const defaultImportTracker = new DefaultImportTracker();
 
-    const before = [
+    const before: ts.TransformerFactory<ts.SourceFile>[] = [
       ivyTransformFactory(
         compilation.traitCompiler,
         compilation.reflector,
@@ -859,7 +860,7 @@ export class NgCompiler {
           },
         )(ctx);
 
-        return (sourceFile) => {
+        return (sourceFile: ts.SourceFile) => {
           if (!sourceFilesWithJit.has(sourceFile.fileName)) {
             return sourceFile;
           }
@@ -868,6 +869,9 @@ export class NgCompiler {
       });
     }
 
+    // Typescript transformer to add debugName metadata to signal functions.
+    before.push(signalMetadataTransform(this.inputProgram));
+
     const afterDeclarations: ts.TransformerFactory<ts.SourceFile>[] = [];
 
     // In local compilation mode we don't make use of .d.ts files for Angular compilation, so their
 
@@ -23,3 +23,4 @@ export {
   TraitState,
 } from './src/trait';
 export {ivyTransformFactory} from './src/transform';
+export {signalMetadataTransform} from './src/implicit_signal_debug_name_transform';