npm安装react、react-dom、next失败，报EJSONPARSE错误求助

问题场景 #

项目仅包含index.js和空的package.json文件，执行安装命令：

npm install react@latest react-dom@latest next@latest

终端返回EJSONPARSE错误，提示解析空package.json失败。

错误详情 #

终端报错内容 #

npm ERR! code EJSONPARSE
npm ERR! path C:\WEBSITES\Projets de la premiere cliente\platformes vente places d'installation/package.json
npm ERR! JSON.parse Unexpected end of JSON input while parsing empty string
npm ERR! JSON.parse Failed to parse JSON data.
npm ERR! JSON.parse Note: package.json must be actual JSON, not just JavaScript.

npm ERR! A complete log of this run can be found in: C:\Users\HP\AppData\Local\npm-cache_logs\2024-01-26T03_19_04_697Z-debug-0.log

完整错误日志 #

0 verbose cli C:\Program Files\nodejs\node.exe C:\Users\HP\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js
1 info using npm@10.2.1
2 info using node@v18.18.0
3 timing npm:load:whichnode Completed in 4ms
4 timing config:load:defaults Completed in 8ms
5 timing config:load:file:C:\Users\HP\AppData\Roaming\npm\node_modules\npm\npmrc Completed in 22ms
6 timing config:load:builtin Completed in 22ms
7 timing config:load:cli Completed in 4ms
8 timing config:load:env Completed in 2ms
9 timing config:load:file:C:\WEBSITES\Projets de la premiere cliente\platformes vente places d'installation\.npmrc Completed in 1ms
10 timing config:load:project Completed in 3ms
11 timing config:load:file:C:\Users\HP\.npmrc Completed in 0ms
12 timing config:load:user Completed in 1ms
13 timing config:load:file:C:\Users\HP\AppData\Roaming\npm\etc\npmrc Completed in 1ms
14 timing config:load:global Completed in 1ms
15 timing config:load:setEnvs Completed in 2ms
16 timing config:load Completed in 43ms
17 timing npm:load:configload Completed in 44ms
18 timing config:load:flatten Completed in 6ms
19 timing npm:load:mkdirpcache Completed in 0ms
20 timing npm:load:mkdirplogs Completed in 1ms
21 verbose title npm install react@latest react-dom@latest next@latest
22 verbose argv "install" "react@latest" "react-dom@latest" "next@latest"
23 timing npm:load:setTitle Completed in 5ms
24 timing npm:load:display Completed in 1ms
25 verbose logfile logs-max:10 dir:C:\Users\HP\AppData\Local\npm-cache\_logs\2024-01-26T03_19_04_697Z-
26 verbose logfile C:\Users\HP\AppData\Local\npm-cache\_logs\2024-01-26T03_19_04_697Z-debug-0.log
27 timing npm:load:logFile Completed in 1293ms
28 timing npm:load:timers Completed in 0ms
29 timing npm:load:configScope Completed in 0ms
30 timing npm:load Completed in 1417ms
31 timing arborist:ctor Completed in 2ms
32 silly logfile start cleaning logs, removing 2 files
33 timing idealTree Completed in 723ms
34 timing command:install Completed in 759ms
35 verbose stack JSONParseError: Unexpected end of JSON input while parsing empty string
35 verbose stack     at C:\Users\HP\AppData\Roaming\npm\node_modules\npm\node_modules\read-package-json-fast\lib\index.js:7:61
35 verbose stack     at async #initTree (C:\Users\HP\AppData\Roaming\npm\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:280:21)
35 verbose stack     at async Arborist.buildIdealTree (C:\Users\HP\AppData\Roaming\npm\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:193:7)
35 verbose stack     at async Promise.all (index 1)
35 verbose stack     at async Arborist.reify (C:\Users\HP\AppData\Roaming\npm\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\reify.js:159:5)
35 verbose stack     at async Install.exec (C:\Users\HP\AppData\Roaming\npm\node_modules\npm\lib\commands\install.js:152:5)
35 verbose stack     at async module.exports (C:\Users\HP\AppData\Roaming\npm\node_modules\npm\lib\cli-entry.js:61:5)
36 verbose cwd C:\WEBSITES\Projets de la premiere cliente\platformes vente places d'installation
37 verbose Windows_NT 10.0.19045
38 verbose node v18.18.0
39 verbose npm  v10.2.1
40 error code EJSONPARSE
41 error path C:\WEBSITES\Projets de la premiere cliente\platformes vente places d'installation/package.json
42 error JSON.parse Unexpected end of JSON input while parsing empty string
43 error JSON.parse Failed to parse JSON data.
43 error JSON.parse Note: package.json must be actual JSON, not just JavaScript.
44 verbose exit 1
45 timing npm Completed in 4137ms
46 verbose unfinished npm timer reify 1706239147476
47 verbose unfinished npm timer reify:loadTrees 1706239147499
48 verbose unfinished npm timer idealTree:init 1706239147501
49 verbose code 1
50 error A complete log of this run can be found in: C:\Users\HP\AppData\Local\npm-cache\_logs\2024-01-26T03_19_04_697Z-debug-0.log

尝试的无效操作 #

执行npm clean cache后返回错误：

npm ERR! 从npm@5开始，npm缓存会自动修复损坏问题
npm ERR! 从缓存中提取的数据保证是有效的。如果你
npm ERR! 想确保所有内容一致，请使用npm cache verify
npm ERR! 这不太可能解决你遇到的问题！
npm ERR!
npm ERR! 另一方面，如果你正在调试安装程序的问题，
npm ERR! 或者依赖于写入空缓存时机的竞争条件，你可以使用npm install --cache /tmp/empty-cache来使用临时
npm ERR! 缓存，而不是清空实际缓存。
npm ERR!
npm ERR! 如果你确定要删除整个缓存，请使用--force参数重新运行此命令。

解决方案 #

核心原因 #

空的package.json不符合JSON格式要求，npm无法解析空文件。

修复步骤 #

1. 删除当前空的package.json文件
2. 在项目根目录执行初始化命令生成合法的package.json：

   npm init -y
   

   （-y参数会自动填充默认配置，无需手动确认）
3. 重新执行安装命令：

   npm install react@latest react-dom@latest next@latest
   

可选验证步骤 #

如果担心缓存问题，执行缓存验证命令：

npm cache verify

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