2022.7.7 summary of some errors

1. After pulling the code npm i Prompt error

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: [email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/eslint
npm ERR!   dev [email protected]"^6.8.0" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer [email protected]"^5.0.0" from [email protected]
npm ERR! node_modules/eslint-plugin-vue
npm ERR!   dev [email protected]"^5.2.3" 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 C:\Users\18308\AppData\Local\npm-cache\eresolve-report.txt for a full report.        

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\18308\AppData\Local\npm-cache\_logs\2022-07-07T01_56_48_979Z-debug-0.log    

Solution ： Input npm i --legacy-peer-deps Enter to solve （ Remember to restart the service ）

2.npm -version Report errors

Error: Cannot find module 'yallist'
Require stack:
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\node_modules\semver\node_modules\lru-cache\index.js
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\node_modules\semver\classes\range.js
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\node_modules\semver\classes\comparator.js
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\node_modules\semver\index.js
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\lib\cli.js
- C:\Users\18308\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js
    at Function.Module._resolveFilename (node:internal/modules/cjs/loader:933:15)
    at Function.Module._load (node:internal/modules/cjs/loader:778:27)
    at Module.require (node:internal/modules/cjs/loader:1005:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (C:\Users\18308\AppData\Roaming\npm\node_modules\npm\node_modules\semver\node_modules\lru-cache\index.js:4:17)
    at Module._compile (node:internal/modules/cjs/loader:1105:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Function.Module._load (node:internal/modules/cjs/loader:822:12)
    at Module.require (node:internal/modules/cjs/loader:1005:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\semver\\node_modules\\lru-cache\\index.js',
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\semver\\classes\\range.js',
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\semver\\classes\\comparator.js',
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\semver\\index.js', 
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\lib\\cli.js',
    'C:\\Users\\18308\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js'
  ]
}

Solution ：

Method 1 ： Delete C:\Users\Administrator Under the .npmrc File can （ Maybe not , Implementation method II ）

Method 2 ： Delete C:\Users\Administrator\AppData\Roaming The lower one npm、npm-cache

Method 3 ： Delete C:\Users\Administrator Under the .npm_repl_history file

Then reinstall node.js, that will do
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Link to the original text ：https://blog.csdn.net/crazySlayer/article/details/122508818

3. Be careful node edition , The version is too old

4. perform npm run serve Times wrong ：The project seems to require yarn but it‘s not installed.

Solution ：npm install -g yarn