为什么在Jekyll上安装lunr.js搜索时出现错误？

Question

我试图在哲基尔现场安装lunr.js，我得到这个错误：

Users/tjohnson/projects/resolve/_plugins/jekyll_lunr_js_search.rb:5:in `require': cannot load such file -- v8 (LoadError) 
from /Users/tjohnson/projects/resolve/_plugins/jekyll_lunr_js_search.rb:5:in `<top (required)>' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:58:in `require' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:58:in `block (2 levels) in require_plugin_files' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:57:in `each' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:57:in `block in require_plugin_files' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:56:in `each' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:56:in `require_plugin_files' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/plugin_manager.rb:18:in `conscientious_require' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/site.rb:74:in `setup' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/site.rb:36:in `initialize' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/commands/build.rb:28:in `new' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/commands/build.rb:28:in `process' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/lib/jekyll/commands/serve.rb:25:in `block (2 levels) in init_with_program' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `call' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `block in execute' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `each' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `execute' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary/program.rb:42:in `go' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/mercenary-0.3.5/lib/mercenary.rb:19:in `program' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/gems/jekyll-2.4.0/bin/jekyll:18:in `<top (required)>' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/bin/jekyll:23:in `load' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/bin/jekyll:23:in `<main>' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/bin/ruby_executable_hooks:15:in `eval' 
from /Users/tjohnson/.rvm/gems/ruby-2.0.0-p481/bin/ruby_executable_hooks:15:in `<main>' 

我试图遵循https://github.com/slashdotdash/jekyll-lunr-js-search的指示，但我有点新的化身，所以我可能不理解一切。有两种方法来安装它：使用rubygem或直接下载预建的插件文件。我选择了后者。这里是我采取的步骤：

1. 克隆回购到我的本地机器。
2. 将jekyll_lunr_js_search.rb和jekyll_lunr_js_search文件夹移动到我的_plugins目录中。
3. 已下载缩小的search.min.js文件（其中包含很多其他js）并将其添加到我的javascript目录。
4. 将jquery.lunr.search.js添加到我的javascript目录中。
5. 添加到我的default.html中文件下列参考文献：

<script src="{{ "/javascripts/search.min.js" | prepend:site.baseurl }}"> 
    </script> 
    <script src="{{ "/javascripts/jquery.lunr.search.js" | prepend:site.baseurl}}"></script> 

将此添加脚本到我default.html中（通过一个包括），以及：

<script type="text/javascript"> 
    $(function() { 
    $('#search-query').lunrSearch({ 
     indexUrl: '/js/index.json', // Url for the .json file containing search index data 
      results : '#search-results', // selector for containing search results element 
      entries : '.entries',   // selector for search entries containing element (contained within results above) 
      template: '#search-results-template' // selector for Mustache.js template 
     }); 
     }); 
    </script> 

添加这一搜索表单的PAG E：

<div id="search"> 
     <form action="/search" method="get"> 
     <input type="text" id="search-query" name="q" placeholder="Search" autocomplete="off"> 
     </form> 
     </div> 

，这导致容器正下方的形式在同一页上：

<section id="search-results" style="display: none;"> 
     <p>Search results</p> 
     <div class="entries"> 
     </div> 
    </section> 

和右侧下方这个胡子模板：

{% raw %} 
    <script id="search-results-template" type="text/mustache"> 
     {{#entries}} 
     <article> 
      <h3> 
      {{#date}}<small><time datetime="{{pubdate}}" pubdate>{{displaydate}}</time></small>{{/date}} 
      <a href="{{url}}">{{title}}</a> 
      </h3> 
     </article> 
     {{/entries}} 
    </script> 
    {% endraw %} 

现在，当我建立我的jekyll网站时，我收到了前面列出的错误。 （没有插件，我不会得到这个错误。）任何想法？我真的需要在我的网站上有一个搜索功能，而这个似乎是最好的。

Answer 1

尝试先安装libv8 Ruby宝石。

gem install libv8 -v '3.16.14.7' 

或

gem install libv8 -v '3.16.14.7' -- --with-system-v8 

然后安装最新版本的jekyll_lunr_js_search宝石。

gem install jekyll-lunr-js-search 

最后，在您的哲基尔网站的_config.yml配置文件的插件宝石的参考。

gems: ['jekyll-lunr-js-search']