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Provides view helpers to compute full paths for assets from manifest json file.


Add this line to your application's Gemfile:

gem 'asset_paths_from_manifest'

And then execute:

$ bundle


This module resolves asset paths using like following manifest json file.

  "client.js": "",
  "": ""
  "client.js": "/assets/client-8a4f666a18360aeafcfc.js"

For instance, these json files can be generated manifest.json using webpack via webpack-manifest-plugin.

This module provides javascript_include_tag_from_manifest, stylesheet_link_tag_from_manifest and asset_paths_from_manifest view helpers. You can use these helpers instead of ActionView::Helpers::AssetTagHelper's helpers to resolve asset paths.

<%= javascript_include_tag_from_manifest 'index' %>
<%= stylesheet_link_tag_from_manifest 'index' %>

This module use public/assets/manifest.json in default. You can modify manifest file path on initializer.

AssetPathsFromManifest.configure do |config|
  config.manifest_json_path = Rails.root.join('public', 'client', 'manifest.json')



After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at[USERNAME]/asset_paths_from_manifest. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.