WIP - add extractor, generate snippet_data

node_modules/relay-runtime/lib/requestRelaySubscription.js

@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * 
+ * @format
+ */
+'use strict';
+
+function requestRelaySubscription(environment, config) {
+  var _environment$unstable = environment.unstable_internal,
+      createOperationDescriptor = _environment$unstable.createOperationDescriptor,
+      getRequest = _environment$unstable.getRequest;
+  var subscription = getRequest(config.subscription);
+
+  if (subscription.params.operationKind !== 'subscription') {
+    throw new Error('requestRelaySubscription: Must use Subscription operation');
+  }
+
+  var configs = config.configs,
+      onCompleted = config.onCompleted,
+      onError = config.onError,
+      onNext = config.onNext,
+      variables = config.variables;
+  var operation = createOperationDescriptor(subscription, variables);
+  process.env.NODE_ENV !== "production" ? require("fbjs/lib/warning")(!(config.updater && configs), 'requestRelaySubscription: Expected only one of `updater` and `configs` to be provided') : void 0;
+
+  var _ref = configs ? require("./RelayDeclarativeMutationConfig").convert(configs, subscription, null
+  /* optimisticUpdater */
+  , config.updater) : config,
+      updater = _ref.updater;
+
+  return environment.execute({
+    operation: operation,
+    updater: updater,
+    cacheConfig: {
+      force: true
+    }
+  }).map(function () {
+    var data = environment.lookup(operation.fragment).data; // $FlowFixMe
+
+    return data;
+  }).subscribeLegacy({
+    onNext: onNext,
+    onError: onError,
+    onCompleted: onCompleted
+  });
+}
+
+module.exports = requestRelaySubscription;