RubyConf China 2015 - Rails off assets pipeline
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Asset pipeline is dead. FrontEnd world has much better tools to handle their needs. Here's some solutions to get rid of it and move into modern Rich Client development era.
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RubyConf China 2015 - Rails off assets pipeline
- 1. Rails off Asset Pipeline Florian, Senior Backend Engineer @ Strikingly @fdutey
- 2. Quick poll • Rails application? • Using Assets Pipeline? • Not satisfied?
- 3. History
- 4. Server-side Rendering + Simple JavaScript
- 5. Rails Asset Pipeline • Added in Rails 3.1 (2011) • Based on Sprockets (Assets joiner for Rack)
- 6. Benefits • Introduce some FE good practices in BE world • Deliver a single Javascript file per page • CSS + JS minifying and image sprites • Promote compilers (less, coffee, sass…) • Very simple
- 7. Today
- 8. Client-side rendering + data API
- 9. • Multiple clients, single API • Web is just ONE client • Front End is (very) complex
- 12. Dependencies
- 14. NPM
- 15. Bundles
- 18. CommonJS
- 23. What about?
- 24. From Assets pipeline to Module Bundler
- 25. Module bundlers • Broccolijs (Ember-cli default) • Gulp • Grunt • Webpack • …
- 26. Webpack
- 27. Webpack • Can do what asset pipeline does • Support modular JavaScript • Fully integrated with NPM • Even more …
- 28. Migrating recipe • Put your new sources in a different spot • Setup npm and webpack • Move Javascript + Images • Move CSS + Images
- 29. Setting up NPM + Webpack
- 31. webpack.config.js
- 34. CommonJS • Each file is a module • A module need to explicitly declare what’s visible to other modules with “exports” • Others modules can access “exports” by using “require”
- 37. webpack.config.js
- 43. Images
- 44. It works!!!
- 49. CSS
- 59. Shrink Gemfile Best activity ever!
- 60. Get rid of asset pipeline
- 65. Short demo
- 66. What else? • Minifying (with easy control) • Bundles grow super big • Optimisation and introspection tools • Easy split code tools • Semi-automatic common chunks • Bunch of loaders for (almost) any type of file
- 67. Recap • Rails • Good for prototyping • Good to discover FE good practices • Doesn’t fit for large javascript applications • Looked production-ready in 2011 because server- side rendering technology is very limited • Front end world • Solves its own problems :)
- 68. I didn’t talk about • Bower (enhanced dependencies management) • React (last FE revolution from Facebook) • ES2015 (coffeescript replacement) • Babel (ES2015 + Jsx compiler)