ReactNative 更新版本步骤

以更新项目react-native0.56.0更新为react-native0.55.4版本为例

1 通过指令

进入项目目录，依次输入下列指令：

  
  
react-native run-android
//卸载react-native
npm uninstall react- native
//安装 0.55 .4版本的react- native
npm install --save [email protected]
react- native run-android
npm install --save babel-core@latest babel-loader@latest
npm uninstall --save babel-preset-react-native
npm install --save [email protected]
react- native run-android
  
  

2 通过修改package.json

打开项目目录中的package.json文件，

1 dependencies修改为：

  
  
"dependencies": {
"babel-core": "^6.26.3",
"babel-loader": "^7.1.5",
"babel-preset-react-native": "^4.0.0",
"react": "16.4.1",
"react-native": "^0.55.4"
},
  
  

2 devDependencies修改：

删除 "babel-preset-react-native": "5.0.2",

3. 然后执行：npm install

文件对比：

以更新项目react-native0.56.0更新为react-native0.55.4版本为例