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License: MIT License
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Entry points and destination values defined in config/initializers/parcel.rb are not being used
I am attempting to change the location of the application's entry point, as well as the destination. Following the guide in the README, I have changed the values in config/initializers/parcel.rb to be the following:
Rails.application.config.parcel do |parcel|
parcel.entry_points = %w(app/assets/javascripts/application.js)
parcel.destination = 'public/assets'
end
I then receive the following output from the console, from running bundle exec rake assets:precompile
<root>/node_modules/.bin/parcel build app/javascript/application.js -d public/parcels
Cannot find module '<root>/app/javascript/application.js' at Resolver.resolve (<root>/node_modules/parcel-bundler/src/Resolver.js:70:17)
I am able to fix this by editing <gem_dir>/parcel-rails-0.9.3/lib/parcel-rails.rb
and changing the block
config.parcel.entry_points = %w[app/javascript/application.js]
config.parcel.destination = 'public/parcels'
to
config.parcel.entry_points = %w(app/assets/javascripts/application.js)
config.parcel.destination = 'public/assets'
Obviously this is a hacky fix. I want to know if this is something I can help look into. I've browsed the repo and I haven't figured out where the initializer is supposed to override the value set in the lib/parcel-rails.rb file that is within the library.
Handle HMR (hot-module-reloading)
Presently with the latest release of parcel-rails, I have to disable HMR via --no-hmr flag in my node scripts for running the parcel server (we're still on rails 4.2, so not using the binstubs). Do you have your setup running with HMR per chance?
If I leave HMR enabled i get an infinite reload on file change; parcel's output shows an Write EPIPE error, and nothing else.
Any thoughts? I'd love to chat with you on the parcel slack if you have time. It could just be as simple as "we only support things fully if you use Rails 5.x", which at least, knowing that, would help to in general, get past this particular error.
Also, would having my entry "html" point as a haml file be bad?
Thanks and please let me know what technical info I might be able to provide to help debug further.
Parcel does support multiple entry files
I don't know if this was always the case, but Parcel does support multiple entry files. It's in their Getting Started documentation. I think using a glob pattern pointed to /app/javascript/packs/**/* a la Webpacker would be a nice default. I don't know if just changing that setting will work right away, but seeing this incorrect or outdated information in the README makes me wonder whether this gem is being actively maintained or is abandoned.
Parcel config as generated doesn't work
The documentation and generated initializer don't work. The generated config block, as created in https://github.com/michaldarda/parcel-rails/blob/master/lib/parcel/rails/parcel_generator.rb#L9-L12 do nothing, because parcel on line 9 is not a method and the block is never executed.
The README's version (https://github.com/michaldarda/parcel-rails#configuration) does work. In fact, it works perfectly well with the multiple-entry-point supporting parcel.
config.parcel.entry_points = %w(app/javascript/application.js app/javascript/another.js)
This line gets me this:
$ be rake parcel:compile
yarn run v1.12.3
$ /Users/jyurek/Development/studio/node_modules/.bin/parcel build app/javascript/application.js app/javascript/another.js -d public/parcels
✨ Built in 178ms.
public/parcels/application.js 1.13 KB 7ms
public/parcels/another.js 1.13 KB 6ms
public/parcels/application.map 327 B 3ms
public/parcels/another.map 325 B 3ms
✨ Done in 1.17s.
Which is exactly what I would expect.
Gem Load Error is: uninitialized constant Rails::Generators
I just installed the gem and followed directions per the README.
My parcel.rb looks like this:
Rails.application.config.parcel do |parcel|
parcel.entry_points = %w(webpack/entry.tsx)
parcel.destination = 'public/parcels'
end
When I run rails parcel:serve I get this error:
rails aborted!
Bundler::GemRequireError: There was an error while trying to load the gem 'parcel-rails'.
Gem Load Error is: uninitialized constant Rails::Generators
Backtrace for gem load error is:
/whatever/gems/parcel-rails-0.9.2/lib/parcel/rails/parcel_generator.rb:3:in `<top (required)>'
/whatever/gems/parcel-rails-0.9.2/lib/parcel-rails.rb:5:in `<top (required)>'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:81:in `require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `block in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `require'
/whatever/gems/bundler-1.16.1/lib/bundler.rb:114:in `require'
/whatever/api/config/application.rb:8:in `<top (required)>'
/whatever/api/Rakefile:4:in `require'
/whatever/api/Rakefile:4:in `<top (required)>'
/whatever/rake-12.3.0/lib/rake/rake_module.rb:29:in `load'
/whatever/rake-12.3.0/lib/rake/rake_module.rb:29:in `load_rakefile'
/whatever/rake-12.3.0/lib/rake/application.rb:703:in `raw_load_rakefile'
/whatever/rake-12.3.0/lib/rake/application.rb:104:in `block in load_rakefile'
/whatever/rake-12.3.0/lib/rake/application.rb:186:in `standard_exception_handling'
/whatever/rake-12.3.0/lib/rake/application.rb:103:in `load_rakefile'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:20:in `block in perform'
/whatever/rake-12.3.0/lib/rake/application.rb:186:in `standard_exception_handling'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:18:in `perform'
/whatever/gems/railties-5.1.5/lib/rails/command.rb:46:in `invoke'
/whatever/gems/railties-5.1.5/lib/rails/commands.rb:16:in `<top (required)>'
bin/rails:4:in `require'
bin/rails:4:in `<main>'
Bundler Error Backtrace:
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:84:in `rescue in block (2 levels) in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:80:in `block (2 levels) in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `block in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `require'
/whatever/gems/bundler-1.16.1/lib/bundler.rb:114:in `require'
/whatever/api/config/application.rb:8:in `<top (required)>'
/whatever/api/Rakefile:4:in `require'
/whatever/api/Rakefile:4:in `<top (required)>'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:20:in `block in perform'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:18:in `perform'
/whatever/gems/railties-5.1.5/lib/rails/command.rb:46:in `invoke'
/whatever/gems/railties-5.1.5/lib/rails/commands.rb:16:in `<top (required)>'
bin/rails:4:in `require'
bin/rails:4:in `<main>'
Caused by:
NameError: uninitialized constant Rails::Generators
/whatever/gems/parcel-rails-0.9.2/lib/parcel/rails/parcel_generator.rb:3:in `<top (required)>'
/whatever/gems/parcel-rails-0.9.2/lib/parcel-rails.rb:5:in `<top (required)>'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:81:in `require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:76:in `block in require'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `each'
/whatever/gems/bundler-1.16.1/lib/bundler/runtime.rb:65:in `require'
/whatever/gems/bundler-1.16.1/lib/bundler.rb:114:in `require'
/whatever/api/config/application.rb:8:in `<top (required)>'
/whatever/api/Rakefile:4:in `require'
/whatever/api/Rakefile:4:in `<top (required)>'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:20:in `block in perform'
/whatever/gems/railties-5.1.5/lib/rails/commands/rake/rake_command.rb:18:in `perform'
/whatever/gems/railties-5.1.5/lib/rails/command.rb:46:in `invoke'
/whatever/gems/railties-5.1.5/lib/rails/commands.rb:16:in `<top (required)>'
bin/rails:4:in `require'
bin/rails:4:in `<main>'
(See full trace by running task with --trace)
Integrate parcel server into rails s
Sprockets integration
See how webpacker and breakfast does this.
Generate manifest, think about caching
No route matches [GET] "/application.map"
Hey, thanks for the gem!
After adding parcel-rails to my project, I keep getting error No route matches [GET] "/application.map on every page load. Everything seems to work, though.
I checked the example app and the issue is present there as well.
Add view helpers
javascript_parcel_tag
stylesheet_parcel_tag
Add generator which will generate the basic setup
- Add configuration to
config/application.rb - Add foreman to Gemfile
- Generate Procfile.dev if it does not exists
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