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Desmistificando o Asset Pipeline

Avatar for Rondy Sousa Rondy Sousa
September 15, 2012
Programming
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Desmistificando o Asset Pipeline

Avatar for Rondy Sousa

Rondy Sousa

September 15, 2012
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Transcript

  1. "44&51*1&-*/& desmistificando o Saturday, September 15, 12

  2. !3POEZ Saturday, September 15, 12

  3. Saturday, September 15, 12

  4. Saturday, September 15, 12

  5. Saturday, September 15, 12

  6. "(&/%" Saturday, September 15, 12

  7. 1PSRVFQSFDJTÂWBNPT "(&/%" Saturday, September 15, 12

  8. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX "(&/%" Saturday, September 15, 12

  9. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT "(&/%" Saturday, September 15, 12

  10. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT &YFD+4 UIFSVCZSBDFSFPVUSPTSVOUJNFT "(&/%" Saturday, September 15, 12

  11. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT &YFD+4 UIFSVCZSBDFSFPVUSPTSVOUJNFT 1SÉQSPDFTTBEPSFTDVTUPNJ[BEPT "(&/%" Saturday, September 15,

    12

  12. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT &YFD+4 UIFSVCZSBDFSFPVUSPTSVOUJNFT 1SÉQSPDFTTBEPSFTDVTUPNJ[BEPT (FNJpDBOEPBTTFUTSFVTÂWFJT "(&/%" Saturday, September

    15, 12

  13. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT &YFD+4 UIFSVCZSBDFSFPVUSPTSVOUJNFT 1SÉQSPDFTTBEPSFTDVTUPNJ[BEPT (FNJpDBOEPBTTFUTSFVTÂWFJT %JDBT USVRVFTFPVUSBTGFJUJÇBSJBT "(&/%"

    Saturday, September 15, 12

  14. 1PSRVFQSFDJTÂWBNPT 0WFSWJFX 4QSPDLFUT &YFD+4 UIFSVCZSBDFSFPVUSPTSVOUJNFT 1SÉQSPDFTTBEPSFTDVTUPNJ[BEPT (FNJpDBOEPBTTFUTSFVTÂWFJT %JDBT USVRVFTFPVUSBTGFJUJÇBSJBT "MUFSOBUJWBT

    "(&/%" Saturday, September 15, 12

  15. Saturday, September 15, 12

  16. 3"*-4¬36#: Saturday, September 15, 12

  17. 3"*-4¬36#: '0$0/0%0.°/*0%0130#-&." Saturday, September 15, 12

  18. 3"*-4¬36#: '0$0/0%0.°/*0%0130#-&." $0/7&/ª§040#3&$0/'*(63"ª§0 Saturday, September 15, 12

  19. 3"*-4¬36#: '0$0/0%0.°/*0%0130#-&." $0/7&/ª§040#3&$0/'*(63"ª§0 1"55&3/4*.1-°$*504 Saturday, September 15, 12

  20. 3"*-4¬36#: '0$0/0%0.°/*0%0130#-&." $0/7&/ª§040#3&$0/'*(63"ª§0 1"55&3/4*.1-°$*504 03("/*;"ª§0%&"326*704 Saturday, September 15, 12

  21. &0/%&&6(6"3%0 04.&64"44&54 Saturday, September 15, 12

  22. &0/%&&6(6"3%0 04.&64"44&54 public/* Saturday, September 15, 12

  23. &0/%&&6(6"3%0 04.&64"44&54 public/* limbo Saturday, September 15, 12

  24. "44&54 DTT KBWBTDSJQU  JNBHFOT GPOUFT  BVEJP WJEFP Saturday,

    September 15, 12

  25. 40.04/&(-*(&/5&4 $0.$¶%*(0'30/5&/% .&"$6-1" Saturday, September 15, 12

  26. .0%6-"3*;"ª§0 05*.*;"ª§0 & Saturday, September 15, 12

  27. $"."-)"ª0%&"326*704 26&"6.&/5"0/¼.&30%& 3&26&454&"-"5­/$*" ."/5&356%0&."1&/"4 6.*.&/40"326*70 ."/65&/ª§0$3*.*/04" 9 1) 2) Saturday,

    September 15, 12

  28. Saturday, September 15, 12

  29. Saturday, September 15, 12

  30. Saturday, September 15, 12

  31. Saturday, September 15, 12

  32. Saturday, September 15, 12

  33. %*.*/6*3/¼.&30%&3&26*4*ª¸&4)551 Saturday, September 15, 12

  34. %*.*/6*3/¼.&30%&3&26*4*ª¸&4)551 .*/*'*$"3+"7"4$3*15&$44 Saturday, September 15, 12

  35. %*.*/6*3/¼.&30%&3&26*4*ª¸&4)551 .*/*'*$"3+"7"4$3*15&$44 $0.10/&/5&4(;*1 Saturday, September 15, 12

  36. IUUQXXXZPVUVCFDPNXBUDI W6M.Q*)),T Saturday, September 15, 12

  37. "If a problem is very commom, we end up with

    a proliferation of choices." :FIVEB,BU[ Saturday, September 15, 12

  38. “...but we should have to make fewer decisions.” :FIVEB,BU[ Saturday,

    September 15, 12

  39. 4&37*3"44&54/§0¬ 53*7*"- Saturday, September 15, 12

  40. 6. 1*1&-*/& 1"3"03&4("5& Saturday, September 15, 12

  41. a linear sequence of specialized modules which performs a task,

    like an assembly line in a factory. pipe.line noun Saturday, September 15, 12

  42. 1*1&-*/& the Saturday, September 15, 12

  43. $0.1*-"3 1*1&-*/& the Saturday, September 15, 12

  44. $0.1*-"3 $0/$"5&/"3 1*1&-*/& the Saturday, September 15, 12

  45. $0.1*-"3 $0/$"5&/"3 .*/*'*$"3 1*1&-*/& the Saturday, September 15, 12

  46. $0.1*-"3 $0/$"5&/"3 .*/*'*$"3 $0.13*.*3 1*1&-*/& the Saturday, September 15, 12

  47. $0.1*-"3 $0/$"5&/"3 .*/*'*$"3 $0.13*.*3 $"$)&#645*/( 1*1&-*/& the Saturday, September 15,

    12

  48. QVCMJD\KBWBTDSJQUTcTUZMFTIFFUTcJNBHFT^ 3"*-4 Saturday, September 15, 12

  49. 3"*-4 Saturday, September 15, 12

  50. IUUQXXXZPVUVCFDPNXBUDI WD(E$*)IG"6 Saturday, September 15, 12

  51. "We're elevating this stuff up to the same importance as

    Ruby code itself." %BWJE))BOTTPO3BDF$BS%SJWFS Saturday, September 15, 12

  52. $63"5&%'3".&803, Saturday, September 15, 12

  53. rails new rs-on-rails Saturday, September 15, 12

  54. %"%*4$¶3%*" (&.'*-& Saturday, September 15, 12

  55. (FNpMF group :assets do gem 'sass-rails', '~> 3.2.3' # gem

    'therubyracer', :platforms => :ruby gem 'coffee-rails', '~> 3.2.1' gem 'uglifier', '>= 1.0.3' end Saturday, September 15, 12

  56. 0"44&51*1&-*/&*.1¸& 6."/07"&45365363" 13"03("/*;"ª§0%& "44&54 Saturday, September 15, 12

  57. 0"44&51*1&-*/&*.1¸& 6."/07"&45365363" 13"03("/*;"ª§0%& "44&54 Saturday, September 15, 12

  58. 0"44&51*1&-*/&46(&3& 6."/07"&45365363" 13"03("/*;"ª§0%& "44&54 Saturday, September 15, 12

  59. BQQBTTFUT MJCBTTFUT WFOEPSBTTFUT Saturday, September 15, 12

  60. Saturday, September 15, 12

  61. Saturday, September 15, 12

  62. Saturday, September 15, 12

  63. Saturday, September 15, 12

  64. "44&5#6/%-&4 Saturday, September 15, 12

  65. "44&5#6/%-&4 BQQMJDBUJPOKT BQQMJDBUJPODTT Saturday, September 15, 12

  66. <head> <title>Rs on Rails</title> <%= stylesheet_link_tag "application", media: "all" %>

    <%= javascript_include_tag "application" %> <%= csrf_meta_tags %> </head> BQQWJFXTMBZPVUTBQQMJDBUJPOIUNMFSC Saturday, September 15, 12

  67. Saturday, September 15, 12

  68. BQQMJDBUJPODTT Saturday, September 15, 12

  69. BQQMJDBUJPODTT SFTFUDTT MBZPVUDTT OBWJHBUJPODTT TJEFCBSDTT UZQPHSBQIZDTT GPSNTDTT UIFNFDTT Saturday, September

    15, 12

  70. /* *= require_self *= require reset *= require layout *=

    require sidebar *= require navigation *= require typography *= require forms *= require colors */ BQQWJFXTMBZPVUTBQQMJDBUJPODTT Saturday, September 15, 12

  71. /* *= require_self *= require reset *= require layout *=

    require sidebar *= require navigation *= require typography *= require forms *= require colors */ BQQWJFXTMBZPVUTBQQMJDBUJPODTT no jargão, o “manifesto” Saturday, September 15, 12

  72. Saturday, September 15, 12

  73. DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.debug = false end Saturday, September 15,

    12

  74. Saturday, September 15, 12

  75. DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = true end Saturday, September 15,

    12

  76. Saturday, September 15, 12

  77. DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.digest = true end Saturday, September 15,

    12

  78. Saturday, September 15, 12

  79. http://localhost:3000/assets/application.css http://localhost:3000/assets/application.js Saturday, September 15, 12

  80. http://localhost:3000/assets/application.css http://localhost:3000/assets/application.js Saturday, September 15, 12

  81. http://localhost:3000/assets/application.css 04130$,&54.0/5"6." 6."3"$,"11/"305" BTTFUT http://localhost:3000/assets/application.js Saturday, September 15, 12

  82. IUUQTHJUIVCDPNSBJMTSBJMTCMPCTUBCMFBDUJPOQBDLMJC TQSPDLFUTCPPUTUSBQSC- Saturday, September 15, 12

  83. ."44¶&. %&7&-01.&/5 Saturday, September 15, 12

  84. $0.0'*$"&. 45"(*/(130%6$5*0/ Saturday, September 15, 12

  85. 130%6$5*0/ 4FSWJEPSXFC TFSWFPTBSRVJWPT QSÉDPNQJMBEPT Saturday, September 15, 12

  86. DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = false config.assets.debug = true end

    Saturday, September 15, 12

  87. DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = false config.assets.debug = true end

    RsOnRails::Application.configure do config.assets.compress = true config.assets.compile = false config.assets.digest = true end DPOpHFOWJSPONFOUTQSPEVDUJPOSC Saturday, September 15, 12

  88. 04"44&54"/5&4%&&/53"3&.130%6ª§0 064&+" 13&$*4".04 13¬$0.1*-"3 Saturday, September 15, 12

  89. $ rake assets:precompile Saturday, September 15, 12

  90. $ rake assets:precompile Saturday, September 15, 12

  91. $ rake assets:precompile Saturday, September 15, 12

  92. /assets/application-9d75ac5c90e71cbe60d8e612a438af43.css /assets/application-9d75ac5c90e71cbe60d8e612a438af43.css.gz Saturday, September 15, 12

  93. /assets/application-9d75ac5c90e71cbe60d8e612a438af43.css ✓$0.1*-"%0 ✓$0/$"5&/"%0 ✓.*/*'*$"%0 ✓$"$)&#645&% '*/(&313*/5 ✓$0.13*.*%0 /assets/application-9d75ac5c90e71cbe60d8e612a438af43.css.gz Saturday, September

    15, 12

  94. Saturday, September 15, 12

  95. ."/*'&45:.- Saturday, September 15, 12

  96. --- Aller_Rg.ttf: Aller_Rg-89086a78088e0ccdf7d5f3a2413b890c.ttf rails.png: rails-be8732dac73d845ac5b142c8fb5f9fb0.png application.js: application-d47f12ee8bceef5910c0e6d180ecf97c.js application.css: application-cf5421f21a42b9b487d6131006c60539.css QVCMJDBTTFUTNBOJGFTUZNM

    Saturday, September 15, 12

  97. /§064"3¥4-*7& $0.1*-"5*0/&. 130%6ª§0 Saturday, September 15, 12

  98. 70-5"/%0"0"11-*$"5*0/ #6/%-& Saturday, September 15, 12

  99. Saturday, September 15, 12

  100. $"%­0+26&3:26& %&7&3*"&45"3"26* Saturday, September 15, 12

  101. 4&(63"&44"%¼7*%" Saturday, September 15, 12

  102. 13¬130$&44"%03&4 Saturday, September 15, 12

  103. TQFBLFSTKT Saturday, September 15, 12

  104. Saturday, September 15, 12

  105. TQFBLFSTDPGGF Saturday, September 15, 12

  106. GPSNTDTT Saturday, September 15, 12

  107. Saturday, September 15, 12

  108. GPSNTDTTTDTT Saturday, September 15, 12

  109. GPSNTDTTTDTTFSC Saturday, September 15, 12

  110. GPSNTDTTTDTTFSC $"%&*"%&13¬130$&44".&/50 Saturday, September 15, 12

  111. IUUQTHJUIVCDPNNFUBTLJMMTMFTTSBJMT Saturday, September 15, 12

  112. IUUQTHJUIVCDPNMVDBTNB[[BSVCZTUZMVT Saturday, September 15, 12

  113. 4130$,&54 Saturday, September 15, 12

  114. require "sprockets" Saturday, September 15, 12

  115. require "sprockets" env = Sprockets::Environment.new Saturday, September 15, 12

  116. require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts" Saturday, September 15,

    12

  117. require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts" application_js = env["application.js"]

    Saturday, September 15, 12

  118. require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts" application_js = env["application.js"]

    logical path Saturday, September 15, 12

  119. puts application_js.inspect Saturday, September 15, 12

  120. puts application_js.inspect # #<Sprockets::BundledAsset:0x3fd7304a3570 # pathname="/Users/rondy/sprockets/assets/javascripts/application.js", # mtime=2012-09-02 17:08:34 -0300,

    # digest="e643622cbd2c3f4d29b5fad9e329b2e8"> Saturday, September 15, 12

  121. puts application_js Saturday, September 15, 12

  122. puts application_js # contents of `application.js` with its concatenated dependencies

    Saturday, September 15, 12

  123. "1&/"4."*46." .06/5"#-&3"$,"11 Saturday, September 15, 12

  124. require 'sprockets' map '/assets' do environment = Sprockets::Environment.new environment.append_path 'app/assets/javascripts'

    environment.append_path 'app/assets/stylesheets' run environment end map '/' do run YourRackApp end Saturday, September 15, 12

  125. 4130$,&54 Saturday, September 15, 12

  126. guard 'sprockets', destination: "build/javascripts", asset_paths: ['/src/javascripts'] do watch (%r{src/javascripts/application.js}) end

    (VBSEpMF Saturday, September 15, 12

  127. 70-5"/%0"0 (&.'*-&%" %*4$¶3%*" Saturday, September 15, 12

  128. (FNpMF group :assets do gem 'sass-rails', '~> 3.2.3' # gem

    'therubyracer', :platforms => :ruby gem 'coffee-rails', '~> 3.2.1' gem 'uglifier', '>= 1.0.3' end Saturday, September 15, 12

  129. gem 'therubyracer', :platforms => :ruby Saturday, September 15, 12

  130. &9&$+4 Saturday, September 15, 12

  131. &9&$+4 +"7"4$3*15 36#: Saturday, September 15, 12

  132. require "execjs" Saturday, September 15, 12

  133. require "execjs" ExecJS.eval "'red yellow blue'.split(' ')" Saturday, September 15,

    12

  134. require "execjs" ExecJS.eval "'red yellow blue'.split(' ')" # => ["red",

    "yellow", "blue"] Saturday, September 15, 12

  135. $PGGF4DSJQU 6HMJGZGSJFOET Saturday, September 15, 12

  136. $PGGF4DSJQU 6HMJGZGSJFOET &YFD+4 Saturday, September 15, 12

  137. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET &YFD+4 Saturday, September 15, 12

  138. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT &YFD+4 Saturday, September 15, 12

  139. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT "QQMF +BWB4DSJQU$PSF &YFD+4 Saturday, September 15,

    12

  140. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT "QQMF +BWB4DSJQU$PSF .JDSPTPGU8JOEPXT 4DSJQU)PTU +4DSJQU &YFD+4

    Saturday, September 15, 12

  141. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT UIFSVCZSBDFS "QQMF +BWB4DSJQU$PSF .JDSPTPGU8JOEPXT 4DSJQU)PTU +4DSJQU

    &YFD+4 Saturday, September 15, 12

  142. 36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT UIFSVCZSBDFS UIFSVCZSIJOP "QQMF +BWB4DSJQU$PSF .JDSPTPGU8JOEPXT 4DSJQU)PTU

    +4DSJQU &YFD+4 Saturday, September 15, 12

  143. Saturday, September 15, 12

  144. gem 'therubyracer', :platforms => :ruby Saturday, September 15, 12

  145. gem 'therubyrhino', :platforms => :jruby Saturday, September 15, 12

  146. Saturday, September 15, 12

  147. %*$"4 53626&4& 0653"4 '&*5*ª"3*"4 Saturday, September 15, 12

  148. 4130$,&5494"44 Saturday, September 15, 12

  149. $base-font-color: #555555; BQQBTTFUTTUZMFTIFFUTDPNNPODTTTDTT Saturday, September 15, 12

  150. /* *= require common */ body { color: $base-font-color; }

    BQQBTTFUTTUZMFTIFFUTBQQMJDBUJPODTTTDTT $base-font-color: #555555; BQQBTTFUTTUZMFTIFFUTDPNNPODTTTDTT Saturday, September 15, 12

  151. Saturday, September 15, 12

  152. SFRVJSFTBTT Saturday, September 15, 12

  153. /* */ @import "common.css.scss"; body { color: $base-font-color; } BQQBTTFUTTUZMFTIFFUTBQQMJDBUJPODTTTDTT

    Saturday, September 15, 12

  154. $3*"/%0/04404 13¶13*0413¬ 130$&44"%03&4 Saturday, September 15, 12

  155. class TimestampProcessor < Sprockets::Processor end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC Saturday, September 15, 12

  156. class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) end end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC

    Saturday, September 15, 12

  157. class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) data end end

    MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC Saturday, September 15, 12

  158. class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) current_timestamp = DateTime.now.to_s(:timestamp)

    ["/* #{current_timestamp} */", data].join("\n") end end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC Saturday, September 15, 12

  159. require "processors/timestamp_processor" Rails.application.assets. register_postprocessor("text/css", TimestampProcessor) DPOpHJOJUJBMJ[FSTTQSPDLFUTSC Saturday, September 15, 12

  160. require "processors/timestamp_processor" Rails.application.assets. register_postprocessor("text/css", TimestampProcessor) Rails.application.assets. register_postprocessor("application/javascript", TimestampProcessor) DPOpHJOJUJBMJ[FSTTQSPDLFUTSC Saturday,

    September 15, 12

  161. Saturday, September 15, 12

  162. (&.*'*$"/%0"44&54 3&64¥7&*4 Saturday, September 15, 12

  163. (&.*'*$"/%0"44&54 3&64¥7&*4 ","$0.04&34)08 Saturday, September 15, 12

  164. 4)08 /§04)08%&45 Saturday, September 15, 12

  165. var Showdest = { description: "Are you showdest, my friend?"

    } alert(Showdest.description); //= require_self //= require showdest BQQBTTFUTKBWBTDSJQUTTIPXEFTUKT BQQBTTFUTKBWBTDSJQUTBQQMJDBUJPOKT Saturday, September 15, 12

  166. Saturday, September 15, 12

  167. $ bundle gem showdest Saturday, September 15, 12

  168. $ bundle gem showdest $ cd showdest Saturday, September 15,

    12

  169. $ bundle gem showdest $ cd showdest $ mkdir -p

    vendor/assets/javascript Saturday, September 15, 12

  170. $ bundle gem showdest $ cd showdest $ mkdir -p

    vendor/assets/javascript $ mv ~/code/rs-on-rails/app/assets/javascripts/showdest.js \ vendor/assets/javascript Saturday, September 15, 12

  171. Saturday, September 15, 12

  172. group :assets do gem 'showdest', path: '/Users/rondy/code/showdest' end (FNpMF Saturday,

    September 15, 12

  173. $ bundle && rails s Saturday, September 15, 12

  174. $ bundle && rails s Saturday, September 15, 12

  175. module Showdest class Engine < Rails::Engine end end TIPXEFTUMJCTIPXEFTUFOHJOFSC Saturday,

    September 15, 12

  176. module Showdest class Engine < Rails::Engine end end TIPXEFTUMJCTIPXEFTUFOHJOFSC Gem::Specification.new

    do |gem| gem.add_dependency "railties", ">= 3.1", "< 5.0" end TIPXEFTUTIPXEFTUHFNTQFD Saturday, September 15, 12

  177. require "showdest/version" require "showdest/engine" module Showdest end TIPXEFTUMJCTIPXEFTUSC Saturday, September

    15, 12

  178. $ bundle && rails s Saturday, September 15, 12

  179. $ bundle && rails s Saturday, September 15, 12

  180. -&.#3"%0+26&3: Saturday, September 15, 12

  181. (&. 3"*-4&/(*/& Saturday, September 15, 12

  182. Saturday, September 15, 12

  183. Saturday, September 15, 12

  184. Saturday, September 15, 12

  185. "-5&3/"5*7"4 Saturday, September 15, 12

  186. rails new rs-on-rails \ --skip-sprockets Saturday, September 15, 12

  187. IUUQEPDVNFOUDMPVEHJUIVCDPNKBNNJU Saturday, September 15, 12

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