Function verifySemanticsOfNgModuleImport

packages/core/src/render3/jit/module.ts:398–414

(type: Type<any>, importingModule: Type<any>)

  }

  function verifySemanticsOfNgModuleImport(type: Type<any>, importingModule: Type<any>) {
    type = resolveForwardRef(type);

    const directiveDef = getComponentDef(type) || getDirectiveDef(type);
    if (directiveDef !== null && !directiveDef.standalone) {
      throw new Error(
        `Unexpected directive '${type.name}' imported by the module '${importingModule.name}'. Please add an @NgModule annotation.`,
      );
    }

    const pipeDef = getPipeDef(type);
    if (pipeDef !== null && !pipeDef.standalone) {
      throw new Error(
        `Unexpected pipe '${type.name}' imported by the module '${importingModule.name}'. Please add an @NgModule annotation.`,
      );
    }
  }
}

function unwrapModuleWithProvidersImports(