Module:TemplateHelpers: Difference between revisions

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@@ Line 14: / Line 14: @@
 -- String Processing Functions
 --------------------------------------------------------------------------------
+-- Normalizes template arguments to be case-insensitive
+-- Returns a new table with lowercase keys while preserving original keys as well
+function p.normalizeArgumentCase(args)
+    local normalized = {}
+    -- Process all keys
+    for key, value in pairs(args) do
+        -- Add lowercase version
+        normalized[key:lower()] = value
+        -- Preserve original key as well
+        normalized[key] = value
+    end
+    return normalized
+end
 -- Trims leading and trailing whitespace from a string
@@ Line 41: / Line 57: @@
 -- Retrieves a field value from args using either multiple possible keys or a single key
+-- Now supports case-insensitive lookup by default
 function p.getFieldValue(args, field)
      if field.keys then
          for _, key in ipairs(field.keys) do
+            -- First try exact match to maintain backward compatibility
              if args[key] and args[key] ~= "" then
                  return key, args[key]
+            end
+            -- Then try lowercase version
+            local lowerKey = key:lower()
+            if args[lowerKey] and args[lowerKey] ~= "" and lowerKey ~= key then
+                return lowerKey, args[lowerKey]
              end
          end
          return nil, nil
      end
-     return field.key, (args[field.key] and args[field.key] ~= "") and args[field.key] or nil
+    -- First try exact match
+    if args[field.key] and args[field.key] ~= "" then
+        return field.key, args[field.key]
+    end
+    -- Then try lowercase version
+    local lowerKey = field.key:lower()
+    if args[lowerKey] and args[lowerKey] ~= "" and lowerKey ~= field.key then
+        return lowerKey, args[lowerKey]
+    end
+    return field.key, nil
 end