CSC/ECE 517 Fall 2014/ch1a 22 sp

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Sprockets gem provides Sprockets implementation for Rails 4.x (and beyond) Asset Pipeline. This wiki must describe importance of using asset pipelining in Rails (now called rake pipelining), how its done? A Pipeline is responsible for taking a directory of input files, applying a number of filters to the inputs, and outputting them into an output directory. Also include details to implement Rails 4 asset pipeline on Heroku.

Rake Pipelining: Asset Pipelining in Rails

What is a Ruby on Rails asset pipeline?
Generally speaking, asset pipelining refers to the practice of using a provided framework to combine and/or minify (compress) assets. This framework also allows these assets to be written and precompiled with different languages such as CoffeeScript and embedded Ruby.<ref>"The Asset Pipeline", Rails Guides. Retrieved on 16 September 2014.</ref>

The three main features outlined above are all good reasons to include an asset pipeline in a Rails application.

  1. Asset concatenation
    • Concatenating assets means that the browser needs to make fewer requests to render the page, which means that your application will load faster.
  2. Asset minification
    • Apart from GZIP compression, minification can also have a significant impact on the number of bits that your application needs to send down the wire.


How-To

Rails 4 Asset Pipelines on Heroku

<ref>"Rails 4 Asset Pipeline on Heroku", Heroku Dev Center. 10 April 2014. Retrieved 16 September 2014</ref> <ref>"Rails Asset Pipeline on Heroku Cedar", Heroku Dev Center. 25 August 2014. Retrieved 16 September 2014</ref>

References

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