CODEWITHSUNDEEP
ruby-on-railsasset-pipeline
user483040
user483040

Reputation:

Remove that pesky asset pipeline -- Rails 6

I'm doing a Rails upgrade from 5 to 6 and I've come across an issue. The app I'm updating has no assets (or controllers or views) because it just serves up a simple API using Grape. I keep running into issues that revolve around the asset pipeline and rather than adding gunk just to make it work I want to get rid of it entirely.

I did the upgrade with bundle update rails with gem "rails", "~> 6.0.3" in the Gemfile. I'm wondering if there is a way to completely remove the junk related to the asset pipeline and turn it off.

Currently I'm wrestling with an error message complaining about a file being missing -- app/assets/manifest.js. The solutions I've been finding are almost uniformly "create that file" but that strikes me as the tail wagging the dog.

Any help would be appreciated.

Upvotes: 0

Views: 887

Answers (1)

dcangulo
dcangulo

Reputation: 2107

This is what I did in my project to remove sprockets.

  1. Delete app/assets directory.
  2. In config/application.rb

I replaced require 'rails/all' with the following:

 require "rails"
 # Pick the frameworks you want:
 require "active_model/railtie"
 require "active_job/railtie"
 require "active_record/railtie"
 require "active_storage/engine"
 require "action_controller/railtie"
 require "action_mailer/railtie"
 require "action_mailbox/engine"
 require "action_text/engine"
 require "action_view/railtie"
 require "action_cable/engine"
 # require "sprockets/railtie" # This removes sprockets
 require "rails/test_unit/railtie"
  1. Removed the following in config/environments/development.rb
- # Debug mode disables concatenation and preprocessing of assets.
- # This option may cause significant delays in view rendering with a large
- # number of complex assets.
- config.assets.debug = true
-
- # Suppress logger output for asset requests.
- config.assets.quiet = true
  1. Removed the following in in config/environments/production.rb
- # Compress CSS using a preprocessor.
- # config.assets.css_compressor = :sass
-
- # Do not fallback to assets pipeline if a precompiled asset is missed.
- config.assets.compile = false
  1. Delete config/initializers/assets.rb

I forgot the source for this, I just viewed this from a GitHub commit.

Upvotes: 6

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