Electron-builder: Error: Cannot find module 'source-map-support/source-map-support.js'

Created on 19 Feb 2020 · 12Comments · Source: electron-userland/electron-builder

I'm using electron-builder 22.3.2. I haven't configured electron-updater. I'm using electron-webpack 2.7.4. My whole app is here. This build is for Windows 10.

electron-builder seems to be able to do the build just fine, but when I try to run my app it throws an error about source map support:

I tried explicitly installing source-map-support (0.5.16) and that didn't really help.

Thanks!

backlog

Source

jfhbrook

👍4

Most helpful comment

For anyone who finds this thread.

The specific problem is that source-map-support is listed as a devDependency in your package.json.... so while its attempting to be used at runtime with a lot of default electron/webpack configs which include sourcemaps, it's not included in the asar

labriola on 30 Apr 2020

👍2 ❤1

All 12 comments

Is this still relevant? If so, what is blocking it? Is there anything you can do to help move it forward?

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

stale[bot] on 19 Apr 2020

I'm not working on this project right now, but the issue hasn't gone away either. I could reproduce it at any time. It's probably a real bug at worst and a documentation issue at best.

jfhbrook on 19 Apr 2020

It is still an issue

labriola on 24 Apr 2020

@jfhbrook since you mention it might just be a documentation issue at best, does that imply there is a work around by some type of configuration?

labriola on 24 Apr 2020

I'm not aware of one - I just decided not to build an exe for my hack project.

jfhbrook on 24 Apr 2020

Thanks

labriola on 24 Apr 2020

For anyone who finds this thread.

labriola on 30 Apr 2020

👍2 ❤1

Is this still relevant? If so, what is blocking it? Is there anything you can do to help move it forward?

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

stale[bot] on 29 Jun 2020

I ran into this today and it is certainly blocking, on a high-visibility security-related project. If anyone has any clues about how to avoid this error, I'd appreciate it. I've tried adding the dependency to my project myself, but dev and prod dependencies, no luck. I don't know where the reference is coming from.

appurist on 21 Jul 2020

Correction: adding source-map-support as a production dependency _does_ avoids the issue.

This should be documented somewhere, not only as a _dependency_, but as a _production_ dependency.
(If it is, I haven't found it in hours of Google searches.)

I have found my index.html in my app.asar file there is a direct call to require there:

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
      <script>require("source-map-support/source-map-support.js").install()</script></head>
      <body>
        <div id="app"></div>
      <script src="renderer.js"></script></body>
    </html>

So now as a full prod dependency, the unpacked folder's resources\app.asar file does have source-map-support in that archived app.asar, under the archived node_modules subfolder.

appurist on 21 Jul 2020

@labriola It seems it must be included in your package.json (as a full production dependency).

appurist on 21 Jul 2020

Correct. Sorry my post wasn't clearer and I didn't see this sooner or I would have saved you some time

labriola on 21 Jul 2020

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