This document provides tips and information about front-end technologies that can be used with Ruby on Rails. It discusses HAML as an alternative markup language, CoffeeScript and SASS as preprocessing languages, and asset packaging in Rails. Specific tips include not being bound to trends, using SASS for its benefits in web apps, and being careful not to overuse CoffeeScript. The document also provides a brief history of asset packaging in Rails and an overview of the Rails asset pipeline for concatenating, minifying, and versioning assets.

1. FRONT-END COM RAILS
RAMON BISPO
http://ramonpage.com
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2. O HAML E AS RAZÕES
PARA USÁ-LO
http://haml-lang.com/
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3. ENTENDENDO
PRÉ-PROCESSADORES
COFFEESCRIPT http://jashkenas.github.com/coffee-script/
SASS http://sass-lang.com/
COMPASS http://compass-style.org/
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4. DICA N. 1
NÃO SE PRENDA A MODISMOS. USE-OS QUANDO
NECESSÁRIO OU SE ASSIM VOCÊ / SUA EQUIPE DECIDIR
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5. DICA N. 2
SASS AJUDA BASTANTE NO TRABALHO EM WEBAPPS.
JÁ EM PROJETOS SIMPLES, O SEU USO ACABA SE
TORNANDO INDIFERENTE.
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6. DICA N. 3
CUIDADO: COFFESCRIPT PODE SER UMA FORMA
LINDAMENTE DESNECESSÁRIA DE ESCREVER JS.
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7. ASSET PACKAGING NO RAILS
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8. UM POUCO DE HISTÓRIA
Rails < 3.1
- Jammit http://documentcloud.github.com/jammit/
- Asset Packager https://github.com/sbecker/asset_packager
Rails 3.1+
- Sprockets https://github.com/sstephenson/sprockets
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9. RAILS 3.1+
ASSET PIPELINE
config.assets.enabled = true
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10. RAILS 3.1+
ASSET PIPELINE FINGERPRINTING
/stylesheets/styles.css?2509895876
styles.css => styles-908e25f4bf641868d8683022a5b62f54.css
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11. MAIS SOBRE ASSET PIPELINE
RAILS GUIDES
http://guides.rubyonrails.org/asset_pipeline.html
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12. OBRIGADO!
RAMON BISPO
http://ramonpage.com
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