[英]Why does rake assets:precompile produce an empty css stylesheet?
我正在使用sass-rails和haml-rails gem,以便可以以HAML-sass样式编写css文件。
问题是,当我要进行生产并预编译样式表时,命令rake assets:precompile
运行时没有错误,但是生成的application.css为空。
这是我的Gemfile:
source 'https://rubygems.org'
gem 'rails', '~>3.2'
gem 'pg', '>= 0.14'
gem 'haml-rails' #, '~> 0.3'
group :development, :test do
gem 'factory_girl_rails'
end
group :developpement do
gem 'rspec-rails', '>= 2.11'
gem 'capistrano', '>= 2.12'
gem 'faker', '>= 1.0'
gem 'rvm-capistrano'
end
group :test do
gem 'rspec', '>= 2.11'
gem 'webrat', '>= 0.7'
gem 'spork-rails', '>= 3.2'
end
group :assets do
gem 'sass-rails', '>= 3.2.3'
gem 'coffee-rails', '>= 3.2.1'
gem 'compass-rails', '>= 1.0'
gem 'execjs'
gem 'therubyracer', :platforms => :ruby
gem 'uglifier', '>= 1.0.3'
end
gem 'jquery-rails'
gem 'annotate'
gem 'excel_rails' #, '~> 0.3'
gem 'spreadsheet' #, '~> 0.7'
gem "schema_plus", :git => "git://github.com/lomba/schema_plus.git"
gem 'ar-octopus' #, '~> 0.3'
gem 'squeel' #, '~> 1.0'
gem 'devise' #, '~> 2.1'
gem 'role_model'
gem 'declarative_authorization'
gem 'rails-translate-routes' #, '~> 0.1'
gem 'validates_timeliness' #, '~> 3.0'
这是我的(空)应用程序/资产/样式表/application.css.sass
/*
* This is a manifest file that'll be compiled into application.css, which will include all the files
* listed below.
*
* Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
* or vendor/assets/stylesheets of plugins, if any, can be referenced here using a relative path.
*
* You're free to add application-wide styles to this file and they'll appear at the top of the
* compiled file, but it's generally better to create a new file per style scope.
*
*/
我按照https://github.com/rails/sass-rails上的建议删除了以下注释行:
*= require_self
*= require_tree .
我的css.sass文件存储在这里:
===更新===
请注意,我正在使用COMPASS gem。 因此,mixin和变量需要在样式表之间共享。
以防万一,这是我的app / assets / stylsheets / screen.css.sass文件:
// This import applies a global reset to any page that imports this stylesheet.
@import blueprint/reset
// To configure blueprint, edit the partials/base.sass file.
@import partials/base
@import blueprint/interaction
@import blueprint/typography
@import blueprint/grid
@import blueprint/buttons
@import blueprint/utilities
@import compass/layout/grid-background
@import compass/typography/lists/inline-block-list
@import compass/typography/lists/horizontal-list
@import compass/utilities/general/float
@import compass/css3/border-radius
@import compass/css3/box-shadow
@import compass/css3/text-shadow
@import compass/css3/transition
@import partials/opf_mixins_et_functions
@import partials/link_icons
@import partials/typo
@import partials/application
@import partials/affichage_donnees
@import partials/tableau_edition
@import partials/page
@import partials/form
@import partials/feedback
===更新2 ===
我意识到我的Gemfile会导致我在生产中遇到麻烦,因为我将以下Gems放在了资产组中 :
group :assets do
...
gem 'execjs'
gem 'therubyracer', :platforms => :ruby
...
end
由于生产环境也需要JavaScript解释器...因此,我会将它们移到Gemfile中的任何组之外。
任何建议欢迎
建议您删除这两行,但仍然需要包括自己的文件:
*= require screen
*= require_dir partials/
但是,请注意一点:这与@import
一样不起作用-您不会共享mixins和变量。 为此使用真实的@import
好的,我用以下解决方案解决了它:
遵循最后一个答案的精神,似乎在我的/app/assets/styelsheets/application.css.sass末尾添加了以下行解决了我的问题:
@import screen
屏幕将自动导入screen.css.sass引用的每个部分样式表 。
我的预编译资产(application.js和application.css)为空...
是什么为我解决了这个问题:
在Gemfile中设置最后的rails版本(目前为3.2.14)
bundle update
bundle install
重新启动应用程序, touch tmp/restart.txt
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