/*
 *  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.
 *
 */

/**
 * @flow
 */
"use strict";

var types = require('recast').types.namedTypes;
var getPropertyName = require('./getPropertyName');

/**
 * Given an ObjectExpression, this function returns the path of the value of
 * the property with name `propertyName`.
 */
function getPropertyValuePath(path: NodePath, propertyName: string): ?NodePath {
  types.ObjectExpression.assert(path.node);

  return path.get('properties')
    .filter(propertyPath => getPropertyName(propertyPath) === propertyName)
    .map(propertyPath => propertyPath.get('value'))[0];
}

module.exports = getPropertyValuePath;