能否复制GitLab远程node_modules文件夹并获取指定旧版本模块文件夹？

Hey there! Let's walk through the practical ways you can get hold of that original old-version module folder from your GitLab project:

• Check your local Git repository history
  First up, if the old node_modules folder (or the specific module subfolder) was actually committed to Git (note: this isn't a best practice, but some teams do it), you can dig into your commit history:

  • Run git log --oneline to browse past commits and pinpoint the one where the old module version was present.
  • Use git checkout <commit-hash> -- path/to/your/node_modules/<module-name> to pull that specific folder from the historical commit into your working directory.
  • Important: If your team never committed node_modules (the standard approach), this method won't work.

• Leverage npm/yarn's local cache
  Both npm and yarn store cached copies of every module version you've ever installed locally. Here's how to access it:

  • For npm:
    1. Run npm view <module-name> versions to list all available versions of the module, so you can confirm the exact old version number.
    2. Check if the old version is in your cache with npm cache ls <module-name>@<old-version>.
    3. If it exists, navigate to your npm cache directory (usually ~/.npm on Linux/macOS, or %AppData%\npm-cache on Windows), find the compressed package for that version, and extract it to get the original module folder.
  • For yarn:
    1. Run yarn cache dir to get the path to your yarn cache folder.
    2. Use yarn cache list <module-name>@<old-version> to verify if the old version is cached.
    3. Locate the cached package and extract it just like with npm.

• Check GitLab CI/CD artifacts or cache
  If your GitLab project uses CI/CD pipelines, there's a chance the old node_modules folder was saved as a pipeline artifact or stored in the CI/CD cache:

  • Head to your GitLab project's CI/CD > Pipelines page, look for past pipelines that ran when the old module version was in use.
  • Check if those pipelines have artifacts containing node_modules, or if the cache is still retained (cache retention depends on your project's CI/CD settings).

• Reinstall the old version to a temporary directory
  If none of the above methods work, you can simply reinstall the old version in a temporary location to get the original folder:

  • Run these commands in your terminal:

    mkdir temp-old-module && cd temp-old-module
    npm init -y
    npm install <module-name>@<old-version>
    

  • The original module folder will be in temp-old-module/node_modules/<module-name> — you can copy it wherever you need from there.

内容的提问来源于stack exchange，提问作者user3808307