当我尝试执行 npm 安装时出现问题

Question

when I run the command npm install, it displays this error:

[log@server:www]$ npm install
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: undefined@undefined
npm ERR! Found: vue@2.6.14
npm ERR! node_modules/vue
npm ERR!   dev vue@"^2.5.17" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer vue@"^3.0.0" from vee-validate@4.4.4
npm ERR! node_modules/vee-validate
npm ERR!   vee-validate@"^4.2.3" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR!
npm ERR! See /root/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2021-06-09T01_39_40_386Z-debug.log

I wonder, how can I fix it? What does it mean?

Thanks

Answer 1

Step:-1 Make sure node.js is installed on your system. You can check with the command npm --version or node --version

Step:-2 Clear npm cache. run this command npm cache clear -f

Step:-3 Then try to run npm install

Answer 2

It looks like you're trying to install vee-validate version 4.0 in a Vue 2.x application. You can see the compatible version in the vee-validate repo .

How to fix:

Option 1:

Install an older version of Vee-validate ( v2 or v3 ).

First, you'll need to uninstall the version you currently have installed (I'm assuming you installed vee-validate@next since that's the doc recommendation)

npm uninstall vee-validate@next

You can then find the list of versions available with

npm info vee-validate versions

Finally, install an older version with

npm install vee-validate@3.4.9

Replace the 3.4.9 with whatever version you would like to install - as of the time of writing, 3.4.9 is the latest stable tag

Option 2:

Upgrade from Vue 2 to Vue 3 following the upgrade guide .

Note that this is still a work in progress and may have some stability issues and depending on the state of the project I would consider using the above option for the time being.