Module:ListUtils: Difference between revisions

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@@ Line 91: / Line 91: @@
                      table.insert(out, '[[' .. property .. '::' .. plain .. ']]')
                  end
+                seen[plain] = true
+            end
+        end
+    end
+    return table.concat(out, ' ')
+end
+-- Internal: props only
+local function propsFromList(list, property)
+    list = trim(list or '')
+    if list == '' or not property or property == '' then
+        return ''
+    end
+    local parts = mw.text.split(list, ',')
+    local out = {}
+    local seen = {}
+    for _, part in ipairs(parts) do
+        local s = trim(part)
+        if s ~= '' then
+            local plain = stripLinks(s)
+            plain = mw.ustring.match(plain, '([^|]+)') or plain
+            plain = trim(plain)
+            if plain ~= '' and not seen[plain] then
+                table.insert(out, '[[' .. property .. '::' .. plain .. ']]')
                  seen[plain] = true
              end
@@ Line 114: / Line 142: @@
      return catsAndPropsFromList(list, property, catNs)
 end
+-- Public: props-only entry point
+-- {{#invoke:ListUtils|propsOnly|A, B, C|HasThing}}
+-- {{#invoke:ListUtils|propsOnly|list=A, B, C|property=HasThing}}
+function p.propsOnly(frame)
+    local list = frame.args.list or frame.args[1] or ''
+    local property = frame.args.property or frame.args[2] or ''
+    return propsFromList(list, property)
+end
+return p