var createActionCableHandler = require("./createActionCableHandler")

var createPusherHandler = require("./createPusherHandler")

/**

* Transport-agnostic wrapper for Relay Modern subscription handlers.

* @example Add ActionCable subscriptions

* var subscriptionHandler = createHandler({

* cable: cable,

* operations: OperationStoreClient,

* })

* var network = Network.create(fetchQuery, subscriptionHandler)

* @param {ActionCable.Consumer} options.cable - A consumer from `.createConsumer`

* @param {Pusher} options.pusher - A Pusher client

* @param {OperationStoreClient} options.operations - A generated `OperationStoreClient` for graphql-pro's OperationStore

* @return {Function} A handler for a Relay Modern network

*/

function createHandler(options) {

if (!options) {

options = {}

}

var handler

if (options.cable) {

handler = createActionCableHandler(options.cable, options.operations)

} else if (options.pusher) {

handler = createPusherHandler(options)

}

return handler

}

module.exports = createHandler