User:Ilmari Karonen/rollbacksummary.js

// Prompt for an edit summary when clicking a rollback link

$(function () {

var serverRe = mw.config.get('wgServer').replace(/([^A-Za-z0-9_])/g, "\\$1");

var scriptRe = mw.config.get('wgScript').replace(/([^A-Za-z0-9_])/g, "\\$1");

var rollbackRe = new RegExp ("^(" + serverRe + ")?" + scriptRe + "\\?([^#]*&)?action=rollback(&|$)");

var promptSummary = function () {

var summary = prompt("Enter rollback summary (or leave as \"default\" to use default summary):", "default");

if (summary == null || summary == "") return false;

if (summary == "default") return true;

this.href = this.href.replace("?", "?summary=" + encodeURIComponent(summary) + "&");

return true;

};

var links = document.getElementsByTagName("a");

for (var i = 0; i < links.length; i++) {

if (rollbackRe.test(links[i].href)) links[i].onclick = promptSummary;

}

});