react-native-web-headroom/docs/node_modules/react-docgen/dist/utils/getMemberExpressionRoot.js

React Native Web Headroom

'use strict';

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

var _recast = require('recast');

var _recast2 = _interopRequireDefault(_recast);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var types = _recast2.default.types.namedTypes;

/**
 * Returns the path to the first part of the MemberExpression. I.e. given a
 * path representing
 *
 * foo.bar.baz
 *
 * it returns the path of/to `foo`.
 */
/*
 * 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 getMemberExpressionRoot(memberExpressionPath) {
  do {
    memberExpressionPath = memberExpressionPath.get('object');
  } while (types.MemberExpression.check(memberExpressionPath.node));
  return memberExpressionPath;
}