Fix blank topic on explore repo list (#3956)

diff --git a/templates/explore/repo_list.tmpl b/templates/explore/repo_list.tmpl
index 16507df16ae59b76a3c04582cd076e128cccfd77..b8f4490c112c5e13f825bc53b05f2d1ae9d98fc0 100644 (file)
--- a/templates/explore/repo_list.tmpl
+++ b/templates/explore/repo_list.tmpl
@@ -17,9 +17,13 @@
                                </div>
                        </div>
                        {{if .DescriptionHTML}}<p class="has-emoji">{{.DescriptionHTML}}</p>{{end}}
-                       <div>
-                       {{range .Topics}}<div class="ui green basic label topic">{{.}}</div>{{end}}
-                       </div>
+                       {{if .Topics }}
+                               <div>
+                               {{range .Topics}}
+                                       {{if ne . "" }}<div class="ui green basic label topic">{{.}}</div>{{end}}
+                               {{end}}
+                               </div>
+                       {{end}}
                        <p class="time">{{$.i18n.Tr "org.repo_updated"}} {{TimeSinceUnix .UpdatedUnix $.i18n.Lang}}</p>
                </div>
        {{else}}