npm run start doesn't work (demo)

[porscheme]

We followed the documentation

• Open terminal
• npm install @vesoft-inc/veditor --save

npm WARN saveError ENOENT: no such file or directory, open '/mnt/c/tobedeleted/veditor/package.json'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN notsup Unsupported engine for canvg@4.0.1: wanted: {"node":">=12.0.0"} (current: {"node":"10.19.0","npm":"6.14.4"})
npm WARN notsup Not compatible with your version of node/npm: canvg@4.0.1
npm WARN notsup Unsupported engine for svg-pathdata@6.0.3: wanted: {"node":">=12.0.0"} (current: {"node":"10.19.0","npm":"6.14.4"})
npm WARN notsup Not compatible with your version of node/npm: svg-pathdata@6.0.3
npm WARN enoent ENOENT: no such file or directory, open '/mnt/c/tobedeleted/veditor/package.json'
npm WARN veditor No description
npm WARN veditor No repository field.
npm WARN veditor No README data
npm WARN veditor No license field.

+ @vesoft-inc/veditor@4.3.3-beta.2
added 14 packages from 20 contributors and audited 14 packages in 4.331s
found 0 vulnerabilities

-- ls

admin@DESKTOP-RMGSJKG:/mnt/c/tobedeleted/veditor$ ls
node_modules  package-lock.json

-- npm run start

admin@DESKTOP-RMGSJKG:/mnt/c/tobedeleted/veditor$ npm run start
npm ERR! code ENOENT
npm ERR! syscall open
npm ERR! path /mnt/c/tobedeleted/veditor/package.json
npm ERR! errno -2
npm ERR! enoent ENOENT: no such file or directory, open '/mnt/c/tobedeleted/veditor/package.json'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/ramsun/.npm/_logs/2022-09-19T20_06_30_276Z-debug.log

[mizy]

you need to clone the repo first
then

npm install 
npm run start

[porscheme]

you need to clone the repo first then

npm install 
npm run start

Yes, we did clone the repo and then 'npm install' and 'npm run start'. Below is the complete terminal output.

npm install
npm WARN babel-loader@8.2.5 requires a peer of @babel/core@^7.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN css-loader@1.0.1 requires a peer of webpack@^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN less-loader@4.1.0 requires a peer of webpack@^2.0.0 || ^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN typedoc-theme-stacks@1.0.0 requires a peer of typedoc@^0.22.11 but none is installed. You must install peer dependencies yourself.
npm WARN url-loader@1.1.2 requires a peer of webpack@^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.2 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

audited 529 packages in 112.202s

45 packages are looking for funding
  run `npm fund` for details

found 6 vulnerabilities (2 low, 2 moderate, 2 high)
  run `npm audit fix` to fix them, or `npm audit` for details
admin@DESKTOP-RMGSJKG:/mnt/c/tobedeleted/nebulagraph-veditor$ npm audit fix
npm WARN babel-loader@8.2.5 requires a peer of @babel/core@^7.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN css-loader@1.0.1 requires a peer of webpack@^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN less-loader@4.1.0 requires a peer of webpack@^2.0.0 || ^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN typedoc-theme-stacks@1.0.0 requires a peer of typedoc@^0.22.11 but none is installed. You must install peer dependencies yourself.
npm WARN url-loader@1.1.2 requires a peer of webpack@^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.2 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

up to date in 21.621s

45 packages are looking for funding
  run `npm fund` for details

fixed 0 of 6 vulnerabilities in 529 scanned packages
  2 package updates for 6 vulnerabilities involved breaking changes
  (use `npm audit fix --force` to install breaking changes; or refer to `npm audit` for steps to fix these manually)
admin@DESKTOP-RMGSJKG:/mnt/c/tobedeleted/nebulagraph-veditor$ npm audit fix --force
npm WARN using --force I sure hope you know what you are doing.
npm WARN babel-loader@8.2.5 requires a peer of @babel/core@^7.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN less-loader@4.1.0 requires a peer of webpack@^2.0.0 || ^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN typedoc-theme-stacks@1.0.0 requires a peer of typedoc@^0.22.11 but none is installed. You must install peer dependencies yourself.
npm WARN url-loader@1.1.2 requires a peer of webpack@^3.0.0 || ^4.0.0 but none is installed. You must install peer dependencies yourself.

+ css-loader@6.7.1
+ antd@4.23.2
added 23 packages from 56 contributors, removed 78 packages and updated 41 packages in 686.653s

48 packages are looking for funding
  run `npm fund` for details

fixed 6 of 6 vulnerabilities in 529 scanned packages
  2 package updates for 6 vulnerabilities involved breaking changes
  (installed due to `--force` option)
admin@DESKTOP-RMGSJKG:/mnt/c/tobedeleted/nebulagraph-veditor$ npm run start

> @vesoft-inc/veditor@4.3.2 start /mnt/c/tobedeleted/nebulagraph-veditor
> webpack serve

[webpack-cli] /mnt/c/tobedeleted/nebulagraph-veditor/node_modules/webpack-dev-server/lib/servers/WebsocketServer.js:10
  static heartbeatInterval = 1000;
                           ^

SyntaxError: Unexpected token =
    at Module._compile (internal/modules/cjs/loader.js:723:23)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Server.getServerTransport (/mnt/c/tobedeleted/nebulagraph-veditor/node_modules/webpack-dev-server/lib/Server.js:1685:28)
    at Server.createWebSocketServer (/mnt/c/tobedeleted/nebulagraph-veditor/node_modules/webpack-dev-server/lib/Server.js:2484:57)
    at Server.start (/mnt/c/tobedeleted/nebulagraph-veditor/node_modules/webpack-dev-server/lib/Server.js:3277:12)
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! @vesoft-inc/veditor@4.3.2 start: `webpack serve `
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the @vesoft-inc/veditor@4.3.2 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/admin/.npm/_logs/2022-09-21T18_19_48_868Z-debug.log

[mizy]

ok i use Yarn to install packages ,that's a bug, i will fix it ,thank you