Chrome DevTools for Node.js not loading source maps

Question

I am working on a node.js API. We use typescript and I use Chrome dev tools for debuging. In the last day when I started the chrome node inspector it could not load my resource maps. I tried making a small mock project and it happened for that one too.

The warning it gives is DevTools failed to load source map: Could not load content for file://<path_to_source_map>: No setting registered: network.enable-unc-loading. I have the latest version of chrome 105 and I am on macOS 12.5.1.

I was thinking it might have something with mac permission but when I take the link to the file file://<path_to_source_map> and open it in browser it can open my file and I can add the file trough workspaces but it cannot link them even if I do it manually. I do not know if it is a chrome setting or what.

Any ideas ?

This is very weird. This issue also appeared for me just this morning, but I use inline source maps encoded as base64. Pasting the base64 code into the search browser search bar correctly decodes it. This seems to be an issue with the 105 release of Chrome as I tested 104 and everything works. I opened an issue here: bugs.chromium.org/p/chromium/issues/detail?id=1360298 — Karol Wasowski
– Karol Wasowski, Commented Sep 6, 2022 at 6:23
When I click file://<path_to_source_map> it is opened as about:blank on the chrome by the way — O.k
– O.k, Commented Sep 7, 2022 at 13:57
Anyone know the cause? I'm getting these errors in windows, node, chrome 105.0.5195.102 (Official Build) (64-bit)? Im getting same thing on my mac. My co-worker on the otherhand (mac w/ same versions) is not. — nawlbergs
– nawlbergs, Commented Sep 12, 2022 at 17:40

Jakub Vrána · Accepted Answer · 2022-09-07 15:45:10Z

2

I've found this setting:

But this setting is not available in the Dev Tools console for Remote Targets so it didn't fix the issue.

answered Sep 7, 2022 at 15:45

Jakub Vrána

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5 Comments

Bartek Banachewicz Over a year ago

This setting is present for me in Node.js DevTools in Canary 107.0.5290.1.

Bartek Banachewicz Over a year ago

And while it didn't work at first, eventually that made it work for me.

creamcheese Over a year ago

also don't have this setting. Been debugging until today and now it seems everyone has the same issue.

Apetrei Ionut Over a year ago

In my case, I have updated chrome and now it works again.

JohnLock Over a year ago

This issue started happening for me in Brave Version 1.44.105 Chromium: 106.0.5249.91 (Official Build) (64-bit) I switched to Chrome Version 106.0.5249.91 (Official Build) (64-bit) and the issues does not occur. 🤷‍♂️

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