User:Frietjes/addcheckforunknownparameters.js

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Documentation for this user script can be added at User:Frietjes/addcheckforunknownparameters.

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jQuery(document).ready(function($) {
	
if(mw.config.get('wgNamespaceNumber') != -1 && document.getElementsByName('wpTextbox1')[0]) {
  var portletlink = mw.util.addPortletLink('p-tb','#','Chk4unkwn','t-cfu');
  $(portletlink).click(function(e) {
  e.preventDefault();
  wpBuildCheckForUnknownParameters();
  });
}
// -------------------------------------------------------------------------------- //
function wpBuildCheckForUnknownParameters()
{
  // Copy the contents of the text window so we can modify it without problems
  var mytxt = document.getElementById('wpTextbox1').value;
  var mytxt2 = document.getElementById('wpTextbox1').value;
  // Remove {PAGENAME}, {BASEPAGENAME}, ...
  mytxt = mytxt.replace(/\{\{(?:PAGENAME|BASEPAGENAME|FULLPAGENAME)\}\}/g, '');
  // Replace some braces
  mytxt = mytxt.replace(/([^\{])\{([^\{])/g, '$1&#123;$2');
  mytxt = mytxt.replace(/([^\}])\}([^\}])/g, '$1&#125;$2');
  // Remove newlines and tabs which confuse the regexp search
  mytxt = mytxt.replace(/[\s]/gm, ' ');
  // Compress whitespace
  mytxt = mytxt.replace(/[\s][\s]+/gm, ' ');
  // Remove some HTML comments
  mytxt = mytxt.replace(/<!--(?:[^>]|[^-]>|[^-]->)*-->/gm, '');
  // Remove some includeonly tags
  mytxt = mytxt.replace(/<\/?includeonly>/gm, '');
  // Remove some noinclude sections
  mytxt = mytxt.replace(/<noinclude>(?:[^<>]|<\/?[^n][^<>]*>)*<\/noinclude>/gm, '');
  // Add a leading and trailing newline to make pattern matches less complicated
  mytxt = '\n' + mytxt + '\n';
  // Avoid false matches
  mytxt2 = mytxt2.replace(/(\{\{\{[^\{\}\|]*)/g, '$1₳₳');
  mytxt2 = mytxt2.replace(/[\s]+₳/g, '₳');
 
  // Now start extracting the parameters
  var plist = []; var klist = {}; var loopcount = 0;
  while( (mytxt.search(/[^{}]/gm) >= 0) && (loopcount < 10) ) {
    var p = mytxt.match(/(\{\{\{[^{}\|]*\|?[^\{\}\|=]*\}\}\})/g);
    if( p ) {
       for(var j=0; j<p.length; ++j) {
           p[j] = p[j].replace(/\{\{\{([^{}\|]*)\|?[^\{\}\|=]*\}\}\}/g, '$1');
           p[j] = p[j].replace(/^[\s]+/, '');
           p[j] = p[j].replace(/[\s]+$/, '');
           p[j] = p[j].replace(/([\(\)])/g, '\\$1');
           var r = new RegExp("\\{\\{\\{[\\s]*" + p[j] + "\\|?[^\\{\\}\\|=]*\\}\\}\\}", 'g');
           mytxt= mytxt.replace(r, '');
           p[j] = p[j].replace(/\\/g, '');
           if( klist[p[j]] == undefined ) {
             klist[p[j]] = mytxt2.indexOf('{{{' + p[j] + '₳₳');
             plist.push(p[j]);
           }
        }
        // Remove templates, parserfunctions, and other double brace expressions
        mytxt = mytxt.replace(/([^\{])\{\{(?:[^{}]|\{\{[^{}]*\}\})*\}\}/gm, '$1');
        mytxt = mytxt.replace(/\{\{(?:[^{}]|\{\{[^{}]*\}\})*\}\}([^\}])/gm, '$1');
    }
    loopcount++;
  }
  if( mytxt.search(/[\{\}]/gm) >= 0 ) {
     mytxt = mytxt.replace(/([\{\}])/gm, '\n<!-- UNPROCESSED HERE -->$1');
     alert('Did not finish processing: ' + mytxt);
  } else {
     alert('Found ' + plist.length + ' unique keys');
  }
  // Sort
  plist = plist.sort(function(a,b) { return klist[a] - klist[b] } );
  // Finally, build the blank template
  mytxt = '{' + '{#invoke:'
    + 'Check for unknown parameters|check|unknown=' + '{' + '{main other|['
    + '[Category:Pages using {' + '{subst:lcfirst:{' + '{subst:PAGENAME}' + '} '
    + 'with unknown parameters|_VALUE_{' + '{PAGENAME}' + '}]' + ']}' + '}|preview'
    + '=Page using [' + '[{' + '{subst:FULLPAGENAME}' + '}' + '} with unknown '
    + 'parameter "_VALUE_"|ignoreblank=y';
  for(var k=0; k<plist.length; ++k) {
     mytxt = mytxt + "| " + plist[k] + " ";
  }
  mytxt = mytxt + "}}";
  alert( mytxt );
  myContent.value = myContent.value + mytxt;
}
// -------------------------------------------------------------------------------- //
});