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[BUG] Cannot read properties of undefined (reading 'description') #5961

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vrubezhny opened this issue Dec 13, 2022 · 1 comment · May be fixed by #5962
Open
2 tasks done

[BUG] Cannot read properties of undefined (reading 'description') #5961

vrubezhny opened this issue Dec 13, 2022 · 1 comment · May be fixed by #5962
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Bug thing that needs fixing Needs Triage needs review for next steps Release 8.x work is associated with a specific npm 8 release

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@vrubezhny
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Is there an existing issue for this?

  • I have searched the existing issues

This issue exists in the latest npm version

  • I am using the latest npm

Current Behavior

For some dependencies in a project's package.json a TypeError occurs when npm ll -a is executed.
For example,, if package.json contains the following dependenciy:

{
  "dependencies": {
    "ws": "8.11.0"
  }
}

the following error occurs when executing npm ll -a:

$ npm --version
8.19.2
$ npm ll -a
npm ERR! Cannot read properties of undefined (reading 'description')

npm ERR! A complete log of this run can be found in:
npm ERR!   ~`.npm/_logs/2022-12-13T20_36_19_543Z-debug-0.log

while the log file contains the following stacktrace:

9 verbose stack TypeError: Cannot read properties of undefined (reading 'description')
39 verbose stack     at getHumanOutputItem (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/lib/commands/ls.js:339:35)
39 verbose stack     at visit (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/lib/commands/ls.js:160:15)
39 verbose stack     at visitNode (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/node_modules/treeverse/lib/breadth.js:37:25)
39 verbose stack     at next (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/node_modules/treeverse/lib/breadth.js:23:19)
39 verbose stack     at ~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/node_modules/treeverse/lib/breadth.js:25:31
39 verbose stack     at async LL.exec (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/lib/commands/ls.js:122:20)
39 verbose stack     at async module.exports (~/.nvm/versions/node/v18.12.1/lib/node_modules/npm/lib/cli.js:78:5)

Expected Behavior

Full dependency tree to be printed for a project

Steps To Reproduce

  1. Tested on Linux with NPM v.8.19.2
  2. With a project that has a dependency like the following:
{
  "dependencies": {
    "ws": "8.11.0"
  }
}
  1. Run 'npm ll -a'
  2. See error...

Environment

  • npm: 8.19.2
  • Node.js: v18.12.1
  • OS Name:Fedora Linux 36 (Workstation Edition)
@vrubezhny vrubezhny added Bug thing that needs fixing Needs Triage needs review for next steps Release 8.x work is associated with a specific npm 8 release labels Dec 13, 2022
vrubezhny added a commit to vrubezhny/cli that referenced this issue Dec 13, 2022
@vrubezhny
fix: Cannot read properties of undefined (reading 'description')
70e0ffd 
Fixes: npm#5961
@vrubezhny vrubezhny linked a pull request Dec 13, 2022 that will close this issue
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@wraithgar wraithgar mentioned this issue May 16, 2023
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2 tasks
@pniederlag pniederlag mentioned this issue Aug 15, 2023
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@pniederlag
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this is a quite annoying bug that seems to affect almost any nodejs/npm version

node 15.14.0 npm 7.7.6
node 16.20.0 npm 8.19.4
node 18.16.0 npm 9.5.1
node 20.5.1 npm 9.8.0

anything we can do to get this fixed? #5962 seems good to me

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fix: Cannot read properties of undefined (reading 'description') vrubezhny/cli
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@pniederlag @vrubezhny