resolve-local-event-broker/es/consumer-server/index.js

The reSolve framework's event broker for applications on a local machine.

import { createServer } from 'resolve-local-rpc';

const getProvider = (host, key) => {
  switch (key) {
    case 'BeginXATransaction':
    case 'CommitXATransaction':
    case 'RollbackXATransaction':
    case 'Drop':
    case 'SendEvents':
      return host.eventListener;

    case 'LoadEvents':
    case 'SaveEvent':
      return host.eventStore;

    default:
      {
        throw new Error(`Invalid key ${key}`);
      }
  }
};

const createAndInitConsumer = async config => {
  const {
    baseResolve,
    initResolve,
    disposeResolve,
    address
  } = config;

  const consumerMethod = async (key, ...args) => {
    const currentResolve = Object.create(baseResolve);

    try {
      await initResolve(currentResolve);
      const provider = getProvider(currentResolve, key);
      const result = await provider[key](...args);
      return result;
    } finally {
      await disposeResolve(currentResolve);
    }
  };

  const consumer = new Proxy({}, {
    get(_, key) {
      return consumerMethod.bind(null, key);
    },

    set() {
      throw new Error(`Consumer API is immutable`);
    }

  });
  return await createServer({
    hostObject: consumer,
    address
  });
};

export default createAndInitConsumer;
//# sourceMappingURL=index.js.map