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我最近一直遇到这个问题，除了npm start.

npm install给出这个错误：

$ npm install @material-ui/core
npm ERR! Object for dependency "@babel/generator" is empty.
npm ERR! Something went wrong. Regenerate the package-lock.json with "npm install".
npm ERR! If using a shrinkwrap, regenerate with "npm shrinkwrap".
npm ERR! A complete log of this run can be found in:
npm ERR!   C:\Users\Parth\AppData\Roaming\npm-cache\_logs\2020-08-20T13_52_13_701Z-debug.log

npx create-react-app ./给出这个错误：

npx create-react-app ./
npx: installed 98 in 10.023s

Creating a new React app in G:\hel.

Installing packages. This might take a couple of minutes. Installing
react, react-dom, and react-scripts with cra-template...

yarn add v1.22.4 [1/4] Resolving packages... [2/4] Fetching
packages... error An unexpected error occurred: "UNKNOWN: unknown
error, unlink
'C:\\Users\\Parth\\AppData\\Local\\Yarn\\Cache\\v6\\npm-core-js-pure-3.6.4-4bf1ba866e25814f149d4e9aaa08c36173506e3a-integrity\\node_modules\\core-js-pure\\features\\object\\is-frozen.js'".
info If you think this is a bug, please open a bug report with the
information provided in "G:\\hel\\yarn-error.log". info Visit
https://yarnpkg.com/en/docs/cli/add for documentation about this command.

Aborting installation.   yarnpkg add --exact react react-dom
react-scripts cra-template --cwd G:\hel has failed.

Deleting generated file... package.json Deleting generated file...
yarn.lock Done.

编辑：所以我尝试使用 Yarn 进行安装，但出现此错误：

$ yarn add @material-ui/core
yarn add v1.22.4
warning package-lock.json found. Your project contains lock files generated by
tools other than Yarn. It is advised not to mix package managers in order to
avoid resolution inconsistencies caused by unsynchronized lock files. To clear
this warning, remove package-lock.json.
   [1/4] Resolving packages...
   [2/4] Fetching packages...
   error An unexpected error occurred: "UNKNOWN: unknown error, unlink 
'C:\\Users\\Parth\\AppData\\Local\\Yarn\\Cache\\v6\\npm-core-js-pure-3.6.4-4bf1ba866e25814f149d4e9aaa08c36173506e3a-integrity\\node_modules\\core-js-pure\\features\\object\\is-frozen.js'".
info If you think this is a bug, please open a bug report with the information
provided in "F:\\Parth\\covid-19-tracker\\yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.

我该如何解决？

编辑：我的版本npm是6.14.8

4

1 回答 1

6

首先，您需要确保您的 node 和 npm 版本是最新的。如果不是，请将您的节点和 npm 包升级到最新版本。

nvm install 12.18.3 // update node version through node version manager

npm install npm // update your npm version to latest

删除您的node_modules文件夹package-lock.json和yarn文件（如果有）。

使用以下命令强制清理整个 NPM 缓存。

npm cache clean --force

重新安装所有依赖项。

npm install

如果上述步骤没有解决您的问题，请尝试通过从全局文件夹yarn中删除Yarn文件夹然后运行来全局卸载。

npm uninstall -g yarn
于 2020-08-20T14:40:08.403 回答