耙资产：预编译中止，不能推送到heroku

问题描述

我使用Enki博客gem，它在本地工作，试图准备推送到heroku（以前从未遇到过问题）。我尝试了预编译，它做到了这一点

  /Users/me/.rvm/rubies/ruby-1.9.3-rc1/ bin / ruby​​ /Users/me/.rvm/gems/ruby-1.9.3-rc1@ruby193/bin/rake assets：precompile：all RAILS_ENV = production RAILS_GROUPS = assets 
 rake aborted！ 
无法加载此文件 -  uglifier 
（在/Users/me/Sites/bayani/app/assets/javascripts/admin.js中）
  

我以前从未将Enki博客推送到Heroku，但我不知道uglifier在哪里，但我记得在其他Enki博客中看到过我我推了，所以我不知道现在为什么会造成问题。

当我推送到Heroku并且中止了预编译时，

 为Rails资产管道准备应用程序
运行：rake资产：预编译
 rake中止！ 
没有这样的文件加载 -  uglifier 
（在/tmp/build_5tbsi7k7ddhk/app/assets/javascripts/admin.js）
任务：TOP => assets：precompile：primary 
（请参阅通过使用--trace运行任务完整跟踪）
预编译资产失败，启用运行时资产编译
注入rails31_enable_runtime_asset_compilation 
请参阅本文以获取疑难解答帮助：
 http://devcenter.heroku.com/articles/rails31_heroku_cedar#troubleshooting 
  

After阅读它提供的链接的疑难解答文章，我把它放在application.rb中。

  config.assets.initialize_on_precompile = false 
  

但我仍然遇到同样的问题

这是admin.js。这只是一个清单文件。这是链接enki

  //这是一个将被编译到application.js中的清单文件，它将包含下面列出的所有文件
 //。 
 // 
 //此目录中的任何JavaScript / Coffee文件，lib / assets / javascripts，vendor / assets / javascripts，
 //插件的vendor / assets / javascripts ，可以在这里使用相对路径来引用。 
 // 
 //在这里直接添加代码是不可取的，但如果这样做，它会出现在
 //编译文件的底部。 
 // 
 //警告：第一空白行标记了要处理的内容，任何空行都应该
 //在需要后执行。 
 // 
 // =需要jquery 
 // =需要jquery_ujs 
 // =需要jquery.livequery 
 // =需要jquery.form 
 // = require jquery.easing.1.3 
 // = require humanmsg 
 // = require_tree ./admin 
  

解决方案

将以下内容添加到Gemfile中。

  group：assets 
 gem'therubyracer'
 gem'sass-rails'，〜> 3.1.0
 gem'coffee-rails'，〜> 3.1.0
 gem'uglifier'
 end 
  

运行

捆绑软件安装
$ b rake资产：预编译

我希望它会有用。

I'm using Enki blogging gem, it works locally, trying to prepare to push to heroku (never had a problem before). I tried to precompile and it did this

/Users/me/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby /Users/me/.rvm/gems/ruby-1.9.3-rc1@ruby193/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets
rake aborted!
cannot load such file -- uglifier
  (in /Users/me/Sites/bayani/app/assets/javascripts/admin.js)

I've never had trouble pushing an Enki blog to Heroku before and, although I don't know where uglifier is, I recall having seen it in other Enki blogs I've pushed, so I don't know why it's creating problems now.

When I pushed to Heroku and it aborted the precompile as well

Preparing app for Rails asset pipeline
       Running: rake assets:precompile
       rake aborted!
       no such file to load -- uglifier
       (in /tmp/build_5tbsi7k7ddhk/app/assets/javascripts/admin.js)
       Tasks: TOP => assets:precompile:primary
       (See full trace by running task with --trace)
       Precompiling assets failed, enabling runtime asset compilation
       Injecting rails31_enable_runtime_asset_compilation
       Please see this article for troubleshooting help:
       http://devcenter.heroku.com/articles/rails31_heroku_cedar#troubleshooting

After reading the troubleshooting article at the link it provided, I put this in application.rb

config.assets.initialize_on_precompile = false

but I'm still having the same problem

This is admin.js. It's just a manifest file. this is the link to enki https://github.com/xaviershay/enki

// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// the compiled file.
//
// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
// GO AFTER THE REQUIRES BELOW.
//
//= require jquery
//= require jquery_ujs
//= require jquery.livequery
//= require jquery.form
//= require jquery.easing.1.3
//= require humanmsg
//= require_tree ./admin

解决方案

Add following to Gemfile.

group :assets do
  gem 'therubyracer'
  gem 'sass-rails', "  ~> 3.1.0"
  gem 'coffee-rails', "~> 3.1.0"
  gem 'uglifier'
end

Run

bundle install

rake assets:precompile

I hope, It will be useful .

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