Node.js 如何修复此npm start命令？

当我想测试前端repo时，在安装npm和npmstart命令之后，它会给我这个日志文件

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:\\Users\\user\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'start'
1 verbose cli ]
2 info using npm@6.14.5
3 info using node@v12.18.3
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle angulardemo2@0.0.0~prestart: angulardemo2@0.0.0
6 info lifecycle angulardemo2@0.0.0~start: angulardemo2@0.0.0
7 verbose lifecycle angulardemo2@0.0.0~start: unsafe-perm in lifecycle true
8 verbose lifecycle angulardemo2@0.0.0~start: PATH: C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;E:\Courses\ChatBot\FourBots_FrontEnd\bot_front\node_modules\.bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\ProgramData\Oracle\Java\javapath;E:\CE\gcc\bin;E:\CE\gcc\libexec\gcc\x86_64-w64-mingw32\8.1.0;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\dotnet\;C:\Program Files\Java\jdk-12\bin;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;E:\Software\MatLab\bin;E:\Software\New Folder\runtime\win64;E:\Software\New Folder\polyspace\bin;E:\Software\New Folder\bin;E:\Software\bin;C:\Program Files\Mono\bin;C:\Program Files (x86)\Brackets\command;C:\Python\Python37;C:\Program Files (x86)\Calibre2\;C:\Program Files\Git\cmd;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Program Files\nodejs\;C:\Python\Python37\Scripts\;C:\Python\Python37\;C:\Program Files\MySQL\MySQL Shell 8.0\bin\;C:\Users\user\AppData\Local\Microsoft\WindowsApps;C:\MinGW\bin;C:MinGW\MYSYS\1.0\bin;e:\software\win32pe_edu;f:\win32pe_edu;f:\modelsim\win32pe_edu;E:\Software\Node;C:\Program Files (x86)\Nmap;E:\Software\Microsoft VS Code\bin;C:\Users\user\AppData\Roaming\npm;C:\Users\user\AppData\Local\GitHubDesktop\bin;C:\Program Files\JetBrains\PyCharm Community Edition 2020.1.3\bin;C:\Program Files (x86)\EaseUS\Todo Backup\bin\x64\
9 verbose lifecycle angulardemo2@0.0.0~start: CWD: E:\Courses\ChatBot\FourBots_FrontEnd\bot_front
10 silly lifecycle angulardemo2@0.0.0~start: Args: [ '/d /s /c', 'ng serve' ]
11 silly lifecycle angulardemo2@0.0.0~start: Returned: code: 1  signal: null
12 info lifecycle angulardemo2@0.0.0~start: Failed to exec start script
13 verbose stack Error: angulardemo2@0.0.0 start: `ng serve`
13 verbose stack Exit status 1
13 verbose stack     at EventEmitter.<anonymous> (C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\index.js:332:16)
13 verbose stack     at EventEmitter.emit (events.js:315:20)
13 verbose stack     at ChildProcess.<anonymous> (C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack     at ChildProcess.emit (events.js:315:20)
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 angulardemo2@0.0.0
15 verbose cwd E:\Courses\ChatBot\FourBots_FrontEnd\bot_front
16 verbose Windows_NT 10.0.17134
17 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\user\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "start"
18 verbose node v12.18.3
19 verbose npm  v6.14.5
20 error code ELIFECYCLE
21 error errno 1
22 error angulardemo2@0.0.0 start: `ng serve`
22 error Exit status 1
23 error Failed at the angulardemo2@0.0.0 start script.
--

0信息如果它以ok结尾，它就工作了
1详细cli[
1详细cli'C:\\Program Files\\nodejs\\node.exe'，
1详细cli'C:\\Users\\user\\AppData\\Roaming\\npm\\node\u modules\\npm\\bin\\npm cli.js'，
1详细cli“启动”
1详细cli]
2信息使用npm@6.14.5
3信息使用node@v12.18.3
4详细的运行脚本['prestart'，'start'，'poststart']
5信息生命周期angulardemo2@0.0.0~prestart:angulardemo2@0.0.0
6信息生命周期angulardemo2@0.0.0~start:angulardemo2@0.0.0
7详细的生命周期angulardemo2@0.0.0~start:生命周期中的不安全烫发为true
8详细的生命周期angulardemo2@0.0.0~start:PATH:C:\Users\user\AppData\Roaming\npm\node\u modules\npm\node\u modules\npm lifecycle\node gyp bin；E:\Courses\ChatBot\FourBots\u FrontEnd\bot\u front\node\u modules\.bin；C:\ProgramFiles（x86）\Common Files\Oracle\Java\javapath；C:\ProgramData\Oracle\Java\javapath；E:\CE\gcc\bin；E:\CE\gcc\libexec\gcc\x86_64-w64-mingw32\8.1.0；C:\WINDOWS\system32；C:\WINDOWS；C:\WINDOWS\System32\Wbem；C:\WINDOWS\System32\WindowsPowerShell\v1.0\；C:\Program Files\Microsoft\Web平台安装程序\；C:\ProgramFiles（x86）\Microsoft ASP.NET\ASP.NET网页\v1.0\；C:\Program Files\Microsoft SQL Server\110\Tools\Binn\；C:\WINDOWS\System32\OpenSSH\；C:\ProgramFiles\dotnet\；C:\ProgramFiles\Java\jdk-12\bin；C:\Program Files\Microsoft SQL Server\130\Tools\Binn\；E:\Software\MatLab\bin；E:\Software\New Folder\runtime\win64；E:\Software\New Folder\polyspace\bin；E:\Software\New Folder\bin；E:\Software\bin；C:\ProgramFiles\Mono\bin；C:\ProgramFiles（x86）\Brands\command；C:\Python\Python37；C:\ProgramFiles（x86）\Calibre2\；C:\ProgramFiles\Git\cmd；C:\ProgramFiles\Git\mingw64\bin；C:\ProgramFiles\Git\usr\bin；C:\ProgramFiles\nodejs\；C:\Python\Python37\Scripts\；C:\Python\Python37\；C:\ProgramFiles\MySQL\MySQL Shell 8.0\bin\；C:\Users\user\AppData\Local\Microsoft\WindowsApps；C:\MinGW\bin；C:MinGW\MYSYS\1.0\bin；e:\software\win32pe\u edu；f:\win32pe_edu；f:\modelsim\win32pe\u edu；E:\Software\Node；C:\ProgramFiles（x86）\n映射；E:\Software\Microsoft VS Code\bin；C:\Users\user\AppData\Roaming\npm；C:\Users\user\AppData\Local\GitHubDesktop\bin；C:\Program Files\JetBrains\PyCharm社区版2020.1.3\bin；C:\ProgramFiles（x86）\EaseUS\Todo Backup\bin\x64\
9详细的生命周期angulardemo2@0.0.0~start:CWD:E:\Courses\ChatBot\FourBots\u FrontEnd\bot\u front
10愚蠢的生命周期angulardemo2@0.0.0~start:Args:['/d/s/c'，'ng serve']
11愚蠢的生命周期angulardemo2@0.0.0~start:Returned:code:1信号：null
12信息生命周期angulardemo2@0.0.0~start:无法执行启动脚本
13详细堆栈错误：angulardemo2@0.0.0开始：发球`
13详细堆栈退出状态1
13 EventEmitter上的详细堆栈。（C:\Users\user\AppData\Roaming\npm\node\u modules\npm\node\u modules\npm lifecycle\index.js:332:16）
13 EventEmitter.emit上的详细堆栈（events.js:315:20）
13子进程上的详细堆栈。（C:\Users\user\AppData\Roaming\npm\node\u modules\npm\node\u modules\npm lifecycle\lib\spawn.js:55:14）
13 ChildProcess.emit上的详细堆栈（events.js:315:20）
13 maybeClose的详细堆栈（internal/child_process.js:1021:16）
13 Process.ChildProcess.\u handle.onexit处的详细堆栈（internal/child\u Process.js:286:5）
14详细的pkgidangulardemo2@0.0.0
15详细的cwd E:\Courses\ChatBot\FourBots\u FrontEnd\bot\u front
16详细窗口\u NT 10.0.17134
17详细argv“C:\\Program Files\\nodejs\\node.exe”“C:\\Users\\user\\AppData\\Roaming\\npm\\node\U模块\\npm\\bin\\npm cli.js”“开始”
18详细节点v12.18.3
19详细的npm v6.14.5
20错误代码ELIFECYCLE
21错误1
22错误angulardemo2@0.0.0开始：发球`
22错误退出状态1
23发生错误时失败angulardemo2@0.0.0开始脚本。
--

试试：

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-dd：若要查看日志，请重新格式化此日志。签出此答案，可能是同一问题。可能需要更多有关您环境的上下文。这是来自脚本还是包含的库的输出<代码>信息如果以“ok”结尾则有效

npm cache clean --force
npm start -dd