运行 React App 时出错

Question

这是我在使用npx create-react-app my-app创建反应应用程序后运行“npm start”命令时得到的错误日志。

0 info it worked if it ends with ok
1 verbose cli [

1 verbose cli   'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli   'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'start'
1 verbose cli ]
2 info using npm@6.13.4
3 info using node@v12.16.1
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle my-app@0.1.0~prestart: my-app@0.1.0
6 info lifecycle my-app@0.1.0~start: my-app@0.1.0
7 verbose lifecycle my-app@0.1.0~start: unsafe-perm in lifecycle true
8 verbose lifecycle my-app@0.1.0~start: PATH: C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\Users\mechi\my-app\node_modules\.bin;C:\Users\mechi\bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\local\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\cmd;C:\Program Files (x86)\Java\jdk1.8.0_101\bin;C:\Program Files (x86)\Java\jdk1.8.0_101\lib;C:\Program Files\NVIDIA Corporation\NVIDIA NvDLISR;C:\Program Files\Git\cmd;C:\Program Files\nodejs;C:\Users\mechi\AppData\Local\Microsoft\WindowsApps;C:\Users\mechi\AppData\Local\atom\bin;C:\Users\mechi\AppData\Local\hyper\app-3.0.2\resources\bin;C:\Program Files\heroku\bin;C:\Users\mechi\AppData\Roaming\npm;C:\Program Files\Git\usr\bin\vendor_perl;C:\Program Files\Git\usr\bin\core_perl
9 verbose lifecycle my-app@0.1.0~start: CWD: C:\Users\mechi\my-app
10 silly lifecycle my-app@0.1.0~start: Args: [ '/d /s /c', 'react-scripts start' ]
11 silly lifecycle my-app@0.1.0~start: Returned: code: 1  signal: null
12 info lifecycle my-app@0.1.0~start: Failed to exec start script
13 verbose stack Error: my-app@0.1.0 start: `react-scripts start`
13 verbose stack Exit status 1
13 verbose stack     at EventEmitter.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\index.js:332:16)
13 verbose stack     at EventEmitter.emit (events.js:311:20)
13 verbose stack     at ChildProcess.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack     at ChildProcess.emit (events.js:311:20)
13 verbose stack     at maybeClose (internal/child_process.js:1021:16)
13 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)
14 verbose pkgid my-app@0.1.0
15 verbose cwd C:\Users\mechi\my-app
16 verbose Windows_NT 10.0.18363
17 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "start"
18 verbose node v12.16.1
19 verbose npm  v6.13.4
20 error code ELIFECYCLE
21 error errno 1
22 error my-app@0.1.0 start: `react-scripts start`
22 error Exit status 1
23 error Failed at the my-app@0.1.0 start script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 1, true ]

请任何人都可以给出这个问题的解决方案？ 我已经尝试了这里发布的所有方法 - 卸载package-lock.json 、 node_modules并重新安装 npm。

Answer 1

你试过这个吗？

1. 删除 node_modules 并锁定文件
2. 编辑 package.json 所以新版本的 react-scripts 是“2.1.8”
3. 纱线安装 / npm 安装
4. cd 你的应用
5. 纱线启动 / npm 启动