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react-native - 使用 React Native 导入任何依赖项时出错

问题描述

初始化 React Native 项目后，如果我安装并导入任何其他依赖项，运行“react-native run-ios”后将显示此错误消息：

react-native run-ios 的错误消息

例如：我运行“react-native init RNProject”来创建简单的反应原生项目。之后我通过：“npm install --save-dev react-navigation”安装react-navigation，然后我通过“import {createStackNavigator} from 'react-navigation'导入createStackNavigator；” 在 App.js 中，什么也不做。在运行“react-native run-ios”并得到上面的错误之后。从'react-navigation'中删除“import {createStackNavigator};” 将导致应用程序正常运行。

我试过“rm node_modules/react-native/local-cli/core/fixtures/files/package.json”或“rm ./node_modules/react-native/local-cli/core/fixtures/files/package.json ”但是终端显示“没有这样的文件或目录”。

我的环境

| software         | version
| ---------------- | -------
| react-navigation | 2.6.2
| react-native     | 0.56.0
| node             | 8.11.3
| npm              | 5.3.0
| MacOS            | 10.13.5

标签： react-native

解决方案

Problem:

Because you used --save-dev in install cmd which means it will be installed as devDependencies in your project.

Solution: Try just installing with this npm install --save react-navigation which will install it as dependencies;

Look at you package.json if you find react-navigation this in dependencies section and still find same problem try deleting node_modules and npm i

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