relay-runtime/lib/mutations/applyOptimisticMutation.js

A core runtime for building GraphQL-driven applications.

'use strict';

var _require = require('../query/GraphQLTag'),
  getRequest = _require.getRequest;
var isRelayModernEnvironment = require('../store/isRelayModernEnvironment');
var _require2 = require('../store/RelayModernOperationDescriptor'),
  createOperationDescriptor = _require2.createOperationDescriptor;
var RelayDeclarativeMutationConfig = require('./RelayDeclarativeMutationConfig');
var invariant = require('invariant');
function applyOptimisticMutation(environment, config) {
  !isRelayModernEnvironment(environment) ? process.env.NODE_ENV !== "production" ? invariant(false, 'commitMutation: expected `environment` to be an instance of ' + '`RelayModernEnvironment`.') : invariant(false) : void 0;
  var mutation = getRequest(config.mutation);
  if (mutation.params.operationKind !== 'mutation') {
    throw new Error('commitMutation: Expected mutation operation');
  }
  var optimisticUpdater = config.optimisticUpdater;
  var configs = config.configs,
    optimisticResponse = config.optimisticResponse,
    variables = config.variables;
  var operation = createOperationDescriptor(mutation, variables);
  if (configs) {
    var _RelayDeclarativeMuta = RelayDeclarativeMutationConfig.convert(configs, mutation, optimisticUpdater);
    optimisticUpdater = _RelayDeclarativeMuta.optimisticUpdater;
  }
  return environment.applyMutation({
    operation: operation,
    response: optimisticResponse,
    updater: optimisticUpdater
  });
}
module.exports = applyOptimisticMutation;