Merge remote-tracking branch 'upstream/pull/5126'

[rails.git] / lib / rich_text.rb

diff --git a/lib/rich_text.rb b/lib/rich_text.rb
index 03800725ad98cc8af64c561288c4e0ff6269f39a..bdf9c37ca7359eec1f2cea57c2243178d8ce7791 100644 (file)
--- a/lib/rich_text.rb
+++ b/lib/rich_text.rb
@@ -112,8 +112,9 @@ module RichText
     end
 
     def description
-      @paragraph_element = first_paragraph_element(document.root) unless defined? @paragraph_element
-      truncated_text_content(@paragraph_element) if @paragraph_element
+      return @description if defined? @description
+
+      @description = first_truncated_text_content(document.root)
     end
 
     private
@@ -131,12 +132,14 @@ module RichText
       end
     end
 
-    def first_paragraph_element(element)
-      return element if paragraph?(element)
-
-      element.children.find do |child|
-        nested_paragraph = first_paragraph_element(child)
-        break nested_paragraph if nested_paragraph
+    def first_truncated_text_content(element)
+      if paragraph?(element)
+        truncated_text_content(element)
+      else
+        element.children.find do |child|
+          text = first_truncated_text_content(child)
+          break text unless text.nil?
+        end
       end
     end
 
@@ -155,6 +158,8 @@ module RichText
       end
       append_text.call(element)
 
+      return nil if text.blank?
+
       text.truncate(MAX_DESCRIPTION_LENGTH)
     end