Generate all runtime files from dart.

lib/src/codegen/js_interop.dart

Index: lib/src/codegen/js_interop.dart
diff --git a/lib/src/codegen/js_interop.dart b/lib/src/codegen/js_interop.dart
index 1e6dff69bcbaa90cd632c7b5ae37d12a6e94c3ed..5ab5494658e1b3ae65b8286242c81d01f3359246 100644
--- a/lib/src/codegen/js_interop.dart
+++ b/lib/src/codegen/js_interop.dart
@@ -15,7 +15,8 @@ bool _isJsLib(LibraryElement e) {
   var libName = e?.name;
   return libName == 'js' ||
       libName == 'js.varargs' ||
-      libName == 'dart._js_helper';
+      libName == 'dart._js_helper' ||
+      libName == 'dart._foreign_helper';
 }
 
 bool isJsRestAnnotation(DartObjectImpl value) =>
@@ -24,8 +25,18 @@ bool isJsRestAnnotation(DartObjectImpl value) =>
 bool isJsSpreadInvocation(MethodInvocation i) =>
     _isJsLibType('spread', i.methodName?.bestElement);
 
+bool isGenericTypeConstructorInvocation(MethodInvocation i) =>
+    _isJsLibType('genericTypeConstructor', i.methodName?.bestElement);
+
 // TODO(jmesserly): Move JsPeerInterface to package:js (see issue #135).
-bool isJSAnnotation(DartObjectImpl value) => value.type.name == 'JS';
+bool isJSAnnotation(DartObjectImpl value) =>
+    value.type.name == 'JS' ||
+    isJsNameAnnotation(value);
+
+bool isJsNameAnnotation(DartObjectImpl value) {
+  var e = value.type.element;
+  return e?.name == 'JsName' && e.library.name == 'dart._foreign_helper';
+}
 
 bool isJsPeerInterface(DartObjectImpl value) =>
     value.type.name == 'JsPeerInterface';