View source for Template:Commons category

{{Commons
| position = {{{position|}}}
  <!-- {{#if:x|}} strips whitespace from parameter 1, 
       in case it is fed like this: {{Commons category| Some cat }}. -->
|Category:{{#if:x| {{{1| {{PAGENAME}} }}} }}<!--
-->|{{{2|{{{1|{{PAGENAME}}}}}}}}<!--
-->}}<includeonly>{{#if:{{{1|}}}||[[Category:Commons category template with no category set]]}}</includeonly><noinclude>

{{Documentation}}
<!-- Add categories and interwikis to the /doc subpage, not here! -->
</noinclude><includeonly><!-- Some tracking categories to see if we're ready to switch to Wikidata -->
{{#switch:{{NAMESPACE}}||{{ns:14}}=<!-- Only articles and categories. -->
 {{#if:{{#property:P373}}
 | {{#if:{{{1|}}}
  | {{#ifeq:{{#property:P373}}|{{#invoke:StringReplace|encode wiki page name|{{{1|}}}}}
   | [[Category:Commons category with local link same as on Wikidata]] <!-- We want to end up here -->
   | [[Category:Commons category with local link different than on Wikidata]] <!-- Figure out the best link -->
   }}
  | {{#ifeq:{{#property:P373}}|{{PAGENAME}}
   | [[Category:Commons category with page title same as on Wikidata]] <!-- Ending up here is just fine -->
   | [[Category:Commons category with page title different than on Wikidata]] <!-- Figure out the best link here too -->
   }}
  }}
 | [[Category:Commons category without a link on Wikidata]] <!-- These we still need to import -->
 }}
}}</includeonly>