Module:Navbox: Difference between revisions

Content added Content deleted

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@@ Line 271: / Line 271: @@
 local function hasBackgroundColors()
     return mw.ustring.match(args.titlestyle or '','background') or mw.ustring.match(args.groupstyle or '','background') or mw.ustring.match(args.basestyle or '','background')
+end
+local function isIllegible()
+    local styleratio = require('Module:Color contrast')._styleratio
+    for key, style in pairs(args) do
+        if key:match("style$") then
+            if styleratio{style} < 4.5 then
+                return true
+            end
+        end
+    end
+    return false
 end
@@ Line 277: / Line 290: @@
     if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
     if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
+    if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
     return cats
 end