預編譯時未找到javascript資源中的路徑幫助器方法

我正在使用依賴於路由幫助器方法的JavaScript資源來處理Rails項目。預編譯時未找到javascript資源中的路徑幫助器方法

在我.js.erb，我開始：

<% environment.context_class.instance_eval { include Rails.application.routes.url_helpers } %>

然後寫的JavaScript本身：

jQuery("#search_keyword") 
    .bind("keydown", function(event) { 
     if(event.keyCode === jQuery.ui.keyCode.TAB && 
      jQuery(this).data("ui-autocomplete").menu.active) { 
        event.preventDefault(); 
      } 
    }) 
    .autocomplete({ 
     source: function (request, response) { 
       jQuery.getJSON ('<%= search_complete_belongings_path(:json) %>', { 
          term: extractLast (request.term) 
          }, response); 
     }, 
     search: function() { 
       var term = extractLast (this.value); 
       if (term.length < 2) { 
        return false; 
       } 
     }, 
     focus: function(event, ui) { 
      return false; 
     }, 
     select: function(event, ui) { 
      var terms = split (this.value); 
      terms.pop(), 
      terms.push(ui.item.belonging.name); 
      this.value=terms; 
      return false; 
     } 
    }) 
    .data("ui-autocomplete")._renderItem = function(ul, item) { 
     return $("<li>") 
      .data("item.autocomplete", item.belonging) 
      .append("<a>" + item.belonging.name + "</a>") 
      .appendTo(ul); 
    };

此功能依賴於jQuery的UI的自動完成功能，使一個AJAX調用以下路徑：

<%= search_complete_belongings_path(:json) %>

該代碼在dev中工作正常•一旦我做assets:precompile，我得到了以下錯誤：

NoMethodError: undefined method `search_complete_belongings_path' for #<#<Class:0x0000000279df18>:0x00000003813730> 
    (in /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/app/assets/javascripts/belonging.js.erb) 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/app/assets/javascripts/belonging.js.erb:82:in `block in singletonclass' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/app/assets/javascripts/belonging.js.erb:65531:in `instance_eval' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/app/assets/javascripts/belonging.js.erb:65531:in `singletonclass' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/app/assets/javascripts/belonging.js.erb:65529:in `__tilt_4820660' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/tilt-1.4.1/lib/tilt/template.rb:170:in `call' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/tilt-1.4.1/lib/tilt/template.rb:170:in `evaluate' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/tilt-1.4.1/lib/tilt/template.rb:103:in `render' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:193:in `block in evaluate' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:190:in `each' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:190:in `evaluate' 
    /tmp/build_d1c6dfa1-0995-4df1-9abe-74874ab13cb0/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/processed_asset.rb:12:in `initialize'

不知道在哪裏可以從何而來？

謝謝！

來源

2014-04-14 microcosme

你不能使用助手，如app/assets中的search_complete_belongings_path，因爲他們是動態的，只能在rails視圖中工作。另一方面，你的資產是靜態的，並得到預編譯一次

來源

2014-04-14 23:32:44 Nikolay

似乎有一種方法可以在資產中使用這種助手。參見例如：http://stackoverflow.com/questions/7451517/using-a-rails-helper-method-within-a-javascript-asset – microcosme

預編譯時未找到javascript資源中的路徑幫助器方法

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