User:Evad37/EditWarChecker.js

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This user script seems to have a documentation page at User:Evad37/EditWarChecker.

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 /* jshint esversion: 5, laxbreak: true, undef: true, eqnull: true, maxerr: 999 */
 /* globals console, window, ,ドル mw */
 $.when(
 mw.loader.using(["mediawiki.api"]),
 $.ready
 ).then(function(){

 varconfig=mw.config.get(['wgPageName','wgArticleId','wgNamespaceNumber']);
 if(config.wgNamespaceNumber!==0||config.wgArticleId===0){
 return;
 }

 varminMax=function(number,min,max){
 if(number<min){
 returnmin;
 }elseif(number>max){
 returnmax;
 }
 returnnumber;
 };

 config.hours=minMax(window.EWC_hours||24,2,72);

 varapi=newmw.Api({
 ajax:{
 headers:{
 "Api-User-Agent":"EditWarChecker ( https://en.wikipedia.org/wiki/User:Evad37/EditWarChecker )"
 }
 }
 });

 api.get({
 "action":"query",
 "format":"json",
 "prop":"revisions",
 "titles":config.wgPageName,
 "rvprop":"ids|timestamp|flags|comment|user|tags|size",
 "rvslots":"*",
 "rvlimit":"max",
 "rvend":newDate(Date.now()-config.hours*60*60*1000).toISOString()
 })
 .then(function(response){
 varrevertUsers={};
 varmaxUserReverts=0;
 functionaddRevert(user){
 if(revertUsers[user]){
 revertUsers[user]=revertUsers[user]++;
 }else{
 revertUsers[user]=1;
 }
 if(revertUsers[user]>maxUserReverts){
 maxUserReverts=revertUsers[user];
 }
 }
 varreverts=(response.query.pages[config.wgArticleId].revisions||[])
 .filter(function(revision,index,arr){
 // Edits tagged by system
 if(revision.tags.includes("mw-undo")||revision.tags.includes("mw-rollback")){
 addRevert(revision.user);
 returntrue;
 }
 // Edits with undo/revert comment
 if(/(?:undo|undid|revert)/i.test(revision.comment)){
 addRevert(revision.user);
 returntrue;
 }
 // Edits with same kB change but opposite signs
 varthisEditDiffSize=revision.size-(arr[index+1]?arr[index+1].size:NaN);
 varprevEditDiffSize=(arr[index+1]?arr[index+1].size:NaN)-(arr[index+2]?arr[index+2].size:NaN);
 varminDiffSize=10;// prevent false positives from minor copyedits
 if(thisEditDiffSize&&prevEditDiffSize&&thisEditDiffSize>minDiffSize&&thisEditDiffSize===prevEditDiffSize*-1){
 addRevert(revision.user);
 returntrue;
 }

 returnfalse;
 });

 varrevertCount=reverts.length;
 varrevertUsersCount=Object.keys(revertUsers).length;
 varusersToList=$.map(revertUsers,function(reverts,user){
 returnreverts>3?user+" ("+reverts+")":null;
 }).join(", ");

 varmessage="Approximately "+revertCount+
 (revertCount===1
 ?" revert"
 :" reversions"
 )+
 (revertUsersCount>0
 ?" by "+revertUsersCount+
 (revertUsersCount===1
 ?" user"
 :" users"
 )
 :""
 )+
 " in the last "+config.hours+" hours."+
 (usersToList
 ?"\nUsers with 4+ reverts: "+usersToList
 :""
 );

 var$symbol=$("<img width='20' height='20' style='float:right;cursor:pointer;' title='Edit war checker'>");

 switch(true){
 // Grey (non-alert): No reverts, or single revert
 caserevertCount<=1:
 $symbol.attr("src","https://upload.wikimedia.org/wikipedia/commons/e/e1/ButtonGray.svg");
 break;
 // Green alert: Everyone well within 3RR; not too many total reverts
 casemaxUserReverts<=2&&revertCount<=5:
 $symbol.attr("src","https://upload.wikimedia.org/wikipedia/commons/3/3c/ButtonGreen.svg");
 break;
 // Orange alert: One or more users at the 3RR limit; and/or quite a few reverts
 casemaxUserReverts<=3&&revertCount<=10:
 $symbol.attr("src","https://upload.wikimedia.org/wikipedia/commons/a/a6/ButtonOrange.svg");
 break;
 // Red alert: One or more users are passed the 3RR limit; and/or there are a lot of reverts
 default:
 $symbol.attr("src","https://upload.wikimedia.org/wikipedia/commons/9/97/ButtonRed.svg");
 break;
 }

 $symbol.click(function(){
 mw.notify(message,{title:"Edit war checker",tag:"editWarCheck"});
 });

 $('h1').append($symbol);

 })
 .catch(function(code,errorInfo){
 console.error("EditWarChecker error",errorInfo||code||"Unknown error");
 varmessage=errorInfo&&errorInfo.info||code.toString()||"Unknown error";
 mw.notify(message,{title:"EditWarChecker failed to load"});
 });
 });

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