添加模块时出错：提供此模块的几个文件

Question

我正在尝试使用命令yarn add react-native-navigation-drawer 在我的项目上安装react-native-navigation-drawer。

执行命令后，我在运行应用程序时遇到错误。

/Users/reactProject/node_modules/react-native/package.json
2017-10-16 15:10:43.664017+0200 mobilizeit[23431:100610] Ambiguous resolution: module '/Users/reactProject/index.ios.js' tries to require 'react-native', but there are several files providing this module. You can delete or fix them: 

/Users/reactProject/node_modules/react-native-drawer-layout-polyfill/node_modules/react-native/package.json

/Users/reactProject/node_modules/react-native-navigation-drawer/node_modules/react-native/package.json

/Users/reactProject/node_modules/react-native-tab-view/node_modules/react-native/package.json

/Users/reactProject/node_modules/react-native/package.json

我对 react-native 很陌生。你能帮我解决问题吗？ 编辑：

使用命令yarn start --reset-cache 我收到很多警告，如下所示：

This warning is caused by a @providesModule declaration with the same name across two different files.
jest-haste-map: @providesModule naming collision:
  Duplicate module name: Sample
  Paths: /Users/reactProject/node_modules/react-native-navigation-drawer/node_modules/react-native/Libraries/Sample/Sample.ios.js collides with /Users/reactProject/node_modules/react-native-drawer-layout-polyfill/node_modules/react-native/Libraries/Sample/Sample.ios.js

This warning is caused by a @providesModule declaration with the same name across two different files.
jest-haste-map: @providesModule naming collision:
  Duplicate module name: Settings
  Paths: /Users/reactProject/node_modules/react-native-navigation-drawer/node_modules/react-native/Libraries/Settings/Settings.ios.js collides with /Users/reactProject/node_modules/react-native-drawer-layout-polyfill/node_modules/react-native/Libraries/Settings/Settings.ios.js

Answer 1

试试这个命令

 yarn start --reset-cache