@nest-kr/integration/dist/application/subscriber/IntegrationEventHandler.js

```cli npm i @nest-kr/integration ```

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("reflect-metadata");
const IntegrationEventHandlerMetadataKey_1 = require("./IntegrationEventHandlerMetadataKey");
exports.IntegrationEventHandler = (subject) => {
    return (target, key) => {
        const metadata = {
            subject,
            service: target,
            method: key,
        };
        let metadataList = [];
        if (!Reflect.hasOwnMetadata(IntegrationEventHandlerMetadataKey_1.INTEGRATION_EVENT_HANDLER_METADATA_KEY, target.constructor)) {
            Reflect.defineMetadata(IntegrationEventHandlerMetadataKey_1.INTEGRATION_EVENT_HANDLER_METADATA_KEY, metadataList, target.constructor);
        }
        else {
            metadataList = Reflect.getOwnMetadata(IntegrationEventHandlerMetadataKey_1.INTEGRATION_EVENT_HANDLER_METADATA_KEY, target.constructor);
        }
        metadataList.push(metadata);
    };
};