How to uninstall global variables in vue scaffolding

Vue is a popular JavaScript framework that makes it easy to build complex single-page applications. Vue CLI is an official CLI tool for quickly building Vue projects. After installing Vue CLI, we can use the command line tool to globally install vue-cli with the command ‘npm install -g @vue/cli’, but sometimes we need to uninstall the global Vue CLI command line. This article will introduce how to uninstall the Vue CLI global command line and the corresponding steps.

Step 1: Open the command line interface
In the Windows operating system, open the "Start" menu, enter "Command Prompt" or "CMD", and then click "Run" to open the command prompt interface. In the Mac operating system, open the "Launch Pad", use Spotlight to search for "Terminal", and then click Run to open the terminal interface.

Step 2: Confirm whether Vue CLI has been successfully installed globally
Enter the command "vue --version" in the command line interface to check whether Vue CLI has been successfully installed globally. If you see a version number, that means it was successfully installed on your operating system. Otherwise, you need to reinstall Vue CLI.

Step 3: Uninstall Vue CLI
Enter the following command in the command prompt to uninstall Vue CLI:

npm uninstall -g @vue/cli

This will The global Vue CLI command line package will be uninstalled. After the uninstallation is complete, you can use the following command to verify whether it has been successfully uninstalled:

vue --version

If you see the prompt "vue: command not found", it means that you The global Vue CLI command line package has been successfully uninstalled.

Step 4: Delete residual files
If there are still residual files in the global file system after uninstallation, you need to delete these files manually. Enter the following commands in the command prompt to delete the remaining files one by one:

npm config rm prefix
npm cache clean
(windows)del %AppData%
pm ue-cli -s
(mac)rm -R /usr/local/lib/node_modules/vue-cli/

Step 5: Clean cache
Vue CLI 3.x will automatically upgrade plugins when used. However, sometimes older plug-in versions can cause problems with the program. Therefore, after uninstalling the Vue CLI command line, you should clear your npm cache to ensure the latest Vue CLI version is installed. Enter the following command in the command prompt to clear the cache:

npm cache clean --force

With the above steps, you should have successfully uninstalled the global Vue CLI command line.

Summary
Vue CLI, as an excellent construction tool, is widely used in front-end development. The steps to uninstall the global Vue CLI command line are not complicated. You can easily complete the uninstallation according to the above five steps. After clearing the npm cache, you can install the Vue CLI again or use other corresponding tools if needed to better support your project.

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