Function isInjectable

packages/core/src/Core/DI/Decorators.ts:194–197

(target: Constructor)

 * @returns 是否可注入
 */
export function isInjectable(target: Constructor): boolean {
    const metadata = injectableMetadata.get(target);
    return metadata?.injectable ?? false;
}

/**
 * 获取类的依赖注入元数据