refactor(compiler): never create CompileDirectiveMetadata with not loaded resources (#12788)

Part of #12787

modules/@angular/compiler/src/pipe_resolver.ts

@@ -26,6 +26,11 @@ function _isPipeMetadata(type: any): boolean {
 export class PipeResolver {
   constructor(private _reflector: ReflectorReader = reflector) {}
 
+  isPipe(type: Type<any>) {
+    const typeMetadata = this._reflector.annotations(resolveForwardRef(type));
+    return typeMetadata && typeMetadata.some(_isPipeMetadata);
+  }
+
   /**
    * Return {@link Pipe} for a given `Type`.
    */