TpeError: Cannot read properties of undefined (reading 'toString')

[phortonssf]

Describe the bug
When starting the debugger node vsDebugServer.js
I get the following error.

[dap-js] JS Debugger stderr:
[dap-js] JS Debugger stderr: ~/.local/share/nvim/site/pack/packer/opt/vscode-js-debug/src/vsDebugServer.ts:93
    console.log((result.server.address() as net.AddressInfo).port.toString());
                                                                 ^
TypeError: Cannot read properties of undefined (reading 'toString')
    at VsDebugServer.launchRoot (~/.local/share/nvim/site/pack/packer/opt/vscode-js-debug/src/vsDebugServer.ts:93:66)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)

[dap-js] JS Debugger exited with code 1!

To Reproduce

1. Installed latest and uzzipped the lates build, 1.74.1
2. ran npm install and npm run compile
3. tsc --version
   Version 4.9.3

node -v
v18.12.1

[phortonssf]

I tried vscode-js-debug-1.72.0 and it worked fine, note i didn't try anything between 1.72.0 and latest 1.74.1.

[revmischa]

I'm seeing the exact same. 1.72.0 works, latest version gives me the port undefined error

[connor4312]

Fixed in 749f75d

[Saco93]

Fixed in 749f75d

I'v updated to a recent commit(cf08889), still get the same error.

[dap-js] JS Debugger stderr:                                                                                               
[dap-js] JS Debugger stderr: /Users/sacosong/.local/share/nvim/site/pack/packer/opt/vscode-js-debug/src/vsDebugServer.ts:95
                                                                                                                           
    console.log((result.server.address() as net.AddressInfo).port.toString());                                             
                                                                                                          ^                                                         
TypeError: Cannot read properties of undefined (reading 'toString')                                                        
    at VsDebugServer.launchRoot (/Users/sacosong/.local/share/nvim/site/pack/packer/opt/vscode-js-debug/src/vsDebugServer.ts:95:66)                                                                                                                   
    at processTicksAndRejections (node:internal/process/task_queues:95:5)                                                  
[dap-js] JS Debugger exited with code 1! 

[artemave]

I am seeing the same as @Saco93 (on v1.75.0)

[connor4312]

Can you please let me know what arguments you're launching the script with?

[jessevanassen]

nvim-dap-vscode-js, which is where the above reports are coming from, isn't calling the script with any arguments.

It's starting the script here, getting the command and args from get_spawn_cmd. The cmd is the absolute path to Node, and the only argument is the path to vsDebugServer.js, so no additional arguments are passed.

[rzhao271]

What are some verification steps for this issue?

[connor4312]

1. Clone js-debug, npm install
2. Run gulp vsDebugServerBundle
3. Run node out/src/vsDebugServer.js
4. Verify that it prints a number to your console (instead of erroring)