尝试创建一个新的反应原生项目

Question

我想创建一个新的反应原生项目。 起初，我在运行npm install -g expo-cli时遇到了一个问题，我通过安装 nvm 解决了这个问题，然后通过 nvm 安装 node 和 npm。 当我运行expo init NewProject时，出现此错误。 请你帮我解决一下好吗？

  Uncaught Error [Error: EACCES: permission denied, open 
'/home/pgf/.expo/state.json.1309825572'] {
  errno: -13,
  code: 'EACCES',
  syscall: 'open',
  path: '/home/pgf/.expo/state.json.1309825572'
}

我试过sudo expo init ； 我得到了这个✖ Something when wrong installing JavaScript dependencies. Check your npm logs. Continuing to initialize the app. ✖ Something when wrong installing JavaScript dependencies. Check your npm logs. Continuing to initialize the app. 它创建了一个项目。 当我用expo start运行项目时，我收到了这个错误

Uncaught Error [Error: EACCES: permission denied, open '/home/pgf/.expo/state.json.2684774492'] {
  errno: -13,
  code: 'EACCES',
  syscall: 'open',
  path: '/home/pgf/.expo/state.json.2684774492'
}
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ start: `expo start`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the @ start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?
npm ERR! A complete log of this run can be found in:
npm ERR!     /home/pgf/.npm/_logs/2020-05-29T19_37_07_602Z-debug.log

当我用sudo expo start运行它时出现这个错误

Cannot determine which native SDK version your project uses because the module `expo` is not installed. Please install it with `yarn add expo` and try again.

你能帮我解决这个问题吗？

Answer 1

对我来说，没有必要用 sudo 运行它，因为我遇到了权限错误。 我不得不在不使用 sudo 的情况下全局重新安装 expo-cli。 之后在您的项目目录中：

sudo rm -rf ~/.expo
npm run start