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Can't hit early breakpoints when debugging with --experimental-modules and .mjs #158
Description
From Petr Plenkov (@ThePlenkov) on December 9, 2017 9:7
Hi,
I hope I chose the correct place to create the issue.
I'm trying to debug mjs node file but the breakpoints are just ignored.
Please see attached gif file.
This is my configuration:
{
"version": "0.2.0",
"configurations": [
{
"type": "node",
"request": "launch",
"name": "Test JSDOM",
"program": "${workspaceFolder}/jsdom.mjs",
"runtimeArgs": [
"--experimental-modules"
]
}
]
}
Do I do something wrongly or it's just not supported yet?
Thank you!
Copied from original issue: microsoft/vscode-node-debug#167
Activity
roblourens commentedon Dec 10, 2017
From Petr Plenkov (@ThePlenkov) on December 9, 2017 11:49
What is interesting. If to put breakpoint into the classic JS module it stops there. And then you can go back.
But in this case you have a different file:
In this file you can already set breakpoints.
roblourens commentedon Dec 10, 2017
There are two issues with this:
--experimental-modulesflag: --inspect-brk does not work with ESM nodejs/node#17340roblourens commentedon Dec 10, 2017
From Petr Plenkov (@ThePlenkov) on December 10, 2017 0:43
roblourens the problem is that VS Code debugger even doesn't
stop on debugger statement, not only on start.
The workaround now is like this:
I run from terminal
node --inspect --experimental-modules jsdom.mjs
It automatically starts chrome dev tools with my mjs module. (NIM extesnsion do the magic) So finally I develop in VS Code and debug in Chrome.
I find a very valuable feature opportunity to debug mjs directly from VS Code.
roblourens commentedon Dec 10, 2017
That's because we start Node in a paused state, then attach. Right now it will skip right over the debugger statement before we are able to attach.
Debugging in Chrome devtools should give a similar experience except for #157.
I will move this bug to the right repo and keep it open to track the upstream issue in Node.
[-]Cannot debug mjs modules[/-][+]Can't hit early breakpoints when debugging with --experimental-modules and .mjs[/+]jpike88 commentedon Mar 15, 2018
nodejs/node#18194
Node 9.6.0 solves this issue. Request that this issue be closed
roblourens commentedon Mar 15, 2018
Thanks