Leaflet with Rails 6 default config

I have a Rails 6 project using webpacker with the default config.

I’ve got a couple of problems. First of all when compiling the css with webpack application.css:

@import "leaflet/dist/leaflet.css";

ERROR in ./frontend/styles/application.css
Module build failed (from ./node_modules/mini-css-extract-plugin/dist/loader.js):
ModuleNotFoundError: Module not found: Error: Can't resolve './images/layers-2x.png' in '/home/project/frontend/styles'

I couldn’t figure how to disable this mini-css-extract-plugin so in order to move forward I copied the files from leaflet/dist/images into frontend/styles/images. Not ideal.

Now the map is rendering OK, I can move around etc…

…except the markers aren’t displaying correctly. The URLs for them look like this: /packs/media/styles/images/marker-icon-2273e3d8ad9264b7daa5bdbf8e6b47f8.png%22)marker-icon-2x.png

From what I understand #6190 was supposed to fix this but it doesn’t seem to. Am I doing something wrong?

Versions:

"@rails/webpacker": "^4.0.7",                                                                                                                                                                            
"leaflet": "^1.5.1",

[ghybs]

Hi @ruurd,

I am sorry to read that you expected a ready-to-use content for Rails but could not find one. This is Open Source, so if you find something lacking, please contribute!

I am shocked by your language, even though I replied to you in good faith. Hence I had to delete your comment. Should you write again with bad manners, you will be blocked and/or reported.

I want to believe this was an accident, and that the attitude you shew is not at all representing the Rails community. So I still wish you a nice Holiday season! 🎄

[dereke]

Hey @fwolfst I should have probably come back to update this issue with the solution/work around I ended up with. In your package.json add this to your scripts section:

    "postinstall": "cp node_modules/leaflet/dist public/leaflet -r"

Not ideal but it does the trick and I’ve not had any issues with it in the last year or so.