node_modules.graphql.validation.rules.LoneAnonymousOperation.js Maven / Gradle / Ivy

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Maven plugin for generating graphql clients

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'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.anonOperationNotAloneMessage = anonOperationNotAloneMessage;
exports.LoneAnonymousOperation = LoneAnonymousOperation;

var _error = require('../../error');

var _kinds = require('../../language/kinds');

function anonOperationNotAloneMessage() {
  return 'This anonymous operation must be the only defined operation.';
}

/**
 * Lone anonymous operation
 *
 * A GraphQL document is only valid if when it contains an anonymous operation
 * (the query short-hand) that it contains only that one operation definition.
 */

/**
 *  Copyright (c) 2015, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 */

function LoneAnonymousOperation(context) {
  var operationCount = 0;
  return {
    Document: function Document(node) {
      operationCount = node.definitions.filter(function (definition) {
        return definition.kind === _kinds.OPERATION_DEFINITION;
      }).length;
    },
    OperationDefinition: function OperationDefinition(node) {
      if (!node.name && operationCount > 1) {
        context.reportError(new _error.GraphQLError(anonOperationNotAloneMessage(), [node]));
      }
    }
  };
}