Merge pull request ruby-docx#143 from ruby-docx/suppress-exceptions-from-internal-links-to_html

Suppress errors raised when calling to_html to docx with internal links

Author: satoryu

lib/docx/containers/text_run.rb

@@ -95,7 +95,11 @@ def underlined?
         end
 
         def hyperlink?
-          @node.name == 'hyperlink'
+          @node.name == 'hyperlink' && external_link?
+        end
+
+        def external_link?
+          !@node.attributes['id'].nil?
         end
 
         def href

spec/docx/document_spec.rb

@@ -522,4 +522,13 @@
     end
   end
 
+  describe '#to_html' do
+    before do
+      @doc = Docx::Document.open(@fixtures_path + '/internal-links.docx')
+    end
+
+    it 'should not raise error' do
+      expect { @doc.to_html }.to_not raise_error
+    end
+  end
 end