User:Erutuon/scripts/footnoteCleanup.js

Code that you insert on this page could contain malicious content capable of compromising your account. If you import a script from another page with "importScript", "mw.loader.load", "iusc", or "lusc", take note that this causes you to dynamically load a remote script, which could be changed by others. Editors are responsible for all edits and actions they perform, including by scripts. User scripts are not centrally supported and may malfunction or become inoperable due to software changes. A guide to help you find broken scripts is available. If you are unsure whether code you are adding to this page is safe, you can ask at the appropriate village pump.
This code will be executed when previewing this page.

Documentation for this user script can be added at User:Erutuon/scripts/footnoteCleanup.

Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.

/*
Moves refs and citation needed tags after punctuation.
*/
var namespaceNumber = mw.config.values.wgNamespaceNumber;

// Add a link just above the edit box, if you're in the main namespace.
if ( namespaceNumber === 0 )
{
	$("#editform").prepend('<div id="footnote-cleanup"><a href="javascript:cleanupFootnotes()">clean up footnotes</a></div>');
}

function cleanupFootnotes()
{
	var textbox = $("#wpTextbox1");
	
	if ( textbox )
	{
		var oldContents = textbox.val();
		var contents = oldContents;
		
		var escaped = [];
		var i = 0;
		
		var escape = function(text, regexString)
		{
			var regex = new RegExp(regexString, "g");
			text = text.replace(
				regex,
				function(match)
				{
					escaped[i] = match;
					replacement = "%%" + i + "%%";
					i += 1;
					return replacement;
				}
			);
			return text;
		};
		
		/*	Escape various things:
			ref tags				*/
		contents = escape(
			contents,
			"<ref[^>]*>[^<]+<\/ref>"
		);
		
		// footnote templates
		contents = escape(
			contents,
			"\{\{(?:sfn|efn|rfn)[^\}]+\}\}"
		);
		
		// citation needed
		contents = escape(
			contents,
			"\{\{(?:[Cc]itation needed|[Cc]n|[Ff]act|[Cc]b|[Cc]tn|[Rr]ef\?)[^\}]+\}\}"
		);
		
		if ( i > 0 )
		{
			mw.notify(i + " refs found.");
		}
		
		var punctuation = "[\.\,\;\:\)]{1,3}";
		
		var count = 0;
		var replacements = [];
		contents = contents.replace(
			/((?:%%\d+%%)+)([\.\,\;\:\)]{1,3})/g,
			function(match, capture1, capture2)
			{
				count += 1;
				var replacement = capture2 + capture1;
				replacements.push(replacement);
				return replacement;
			}
		);
		
		mw.notify(count + " correction" + ( ( count > 1 && "s" ) || "" ) + " made: " + replacements.join());
		
		// Unescape the various things escaped above.
		contents = contents.replace(
			/%%(\d+)%%/g,
			function(wholematch, number) {
				number = Number(number);
				return escaped[number];
			}
		);
		
		var isUnchanged = ( oldContents === contents );
		
		if ( isUnchanged )
		{
			mw.notify("No misplaced footnotes were found.");
		}
		
		textbox.val(contents);
		$("#wpSummary").val(function(index, summary)
			{
				mw.notify(summary);
				
				var addition = "made sure refs are after punctuation with [[User:Erutuon/footnoteCleanup.js|JavaScript]]";
				
				afterSectionName = summary.match(/^\/\*[^\*]+\*\/\s+(.+)/);
				
				if ( afterSectionName && afterSectionName[1].length > 1 )
				{
					addition = "; " + addition;
				}
				
				if ( !isUnchanged && !afterSectionName.includes(addition) )
				{
					return summary + addition;
				}
			}
		);
	}
}