问题描述
尝试遵循本指南：How to Build a Simple React app With Express API，但在运行时
npx create-react-app react-express-app --template typescript
@H_404_4@我得到以下输出：
npx: installed 98 in 12.964s
Creating a new React app in /home/aioobe/projects/daily-challenge-5/react-express-app.
error Could not open cafile: ENOENT: no such file or directory,open '/etc/pki/tls/certs/ca-bundle.crt'
Installing packages. This might take a couple of minutes.
Installing react,react-dom,and react-scripts with cra-template-typescript...
You appear to be offline.
Falling back to the local Yarn cache.
yarn add v1.22.4
error Could not open cafile: ENOENT: no such file or directory,open '/etc/pki/tls/certs/ca-bundle.crt'
[1/4] Resolving packages...
error Couldn't find any versions for "cra-template-typescript" that matches "latest" in our cache (possible versions are ""). This is usually caused by a missing entry in the lockfile,running Yarn without the --offline flag may help fix this issue.
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.
Aborting installation.
yarnpkg add --exact --offline react react-dom react-scripts cra-template-typescript --cwd /home/aioobe/projects/daily-challenge-5/react-express-app has Failed.
Deleting generated file... package.json
Deleting generated file... yarn.lock
Deleting react-express-app/ from /home/aioobe/projects/daily-challenge-5
Done.
@H_404_4@有人知道这里发生了什么吗？
解决方法
做了更多的谷歌搜索，有人认为这是网络问题，所以我摆弄了我的VPN，它终于起作用了。
因此，如果遇到此问题，请检查网络连接是否正常。