All files / websockets/utils subscribe-message.decorator.ts

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import { MESSAGE_MAPPING_METADATA, MESSAGE_METADATA } from '../constants';
 
/**
 * Subscribes to messages that fulfils chosen pattern.
 */
export const SubscribeMessage = <T = string>(
  message: T,
): MethodDecorator => {
  return (target, key, descriptor: PropertyDescriptor) => {
    Reflect.defineMetadata(MESSAGE_MAPPING_METADATA, true, descriptor.value);
    Reflect.defineMetadata(MESSAGE_METADATA, message, descriptor.value);
    return descriptor;
  };
};