Module:Navbar: Difference between revisions

Content added Content deleted

Inline

@@ Line 5: / Line 5: @@
 function trim(s)
     return mw.ustring.match( s, "^%s*(.-)%s*$" )
+end
+function error(s)
+    local span = HtmlBuilder.create('span')
+    span
+        .addClass('error')
+        .css('float', 'left')
+        .css('white-space', 'nowrap')
+        .wikitext('Error: ' .. s)
+    return tostring(span)
 end
 function _navbar( args )
     if not args[1] then
-        local span = HtmlBuilder.create('span')
+        return error('No name provided')
-        span
-            .addClass('error')
-            .css('float', 'left')
-            .css('white-space', 'nowrap')
-            .wikitext('Error: No name provided')
-        return span
     end
@@ Line 26: / Line 30: @@
     else
         title = mw.title.new( pageName, 'Template' );
     end
+    if not title then
+        return error('Page does not exist')
+    end
     local mainpage = title.fullText;

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