User:SD0001/hide-reverted-edits.js

/**

* Script to provide a button on page histories

* which when clicked shows a sanitized version of the history

* with reverted edits (and their reversions) removed

*

*/

var hre = {

init: function() {

if (mw.config.get('wgAction') !== 'history') return;

// bool: are the reverts currently hidden or not?

var hidingReverts;

if (/&hidereverted=y/.test(window.location.href)) {

hre.hideRevertedEdits();

hre.fixLinks(true);

hidingReverts = true;

} else {

hidingReverts = false;

}

$('')

.addClass('reverted-edits-showhide')

.addClass('mw-ui-button')

.text(hidingReverts ? 'Show reverted edits' : 'Hide reverted edits')

.css('margin-left', '3px')

.on('click', function(e) {

e.preventDefault();

if (!hidingReverts) {

hre.hideRevertedEdits();

$('.reverted-edits-showhide').text('Show reverted edits');

} else {

$('#pagehistory li').show();

$('.reverted-edits-showhide').text('Hide reverted edits');

}

hidingReverts = !hidingReverts;

hre.fixLinks(hidingReverts);

}).insertAfter('.mw-history-compareselectedversions input');

},

hideRevertedEdits: function() {

$('#pagehistory li').each(function(idx) {

if (this.style.display === 'none') {

return true; // continue if already hidden. This handles reverts of reverts.

}

var $this = $(this);

var editcomment = $this.find('.comment').text();

var rgx, reverted_user, last_good_revision;

// Plain MediaWiki undo with untampered edit summary

if (rgx = /^Undid revision (\d+) by/.exec(editcomment)) {

var reverted_rev_id = rgx[1];

var $reverted_rev = $('[data-mw-revid=' + reverted_rev_id +']');

// just to confirm that the edit isn't a partial revert, find the byte count changes for the

// two edits: if they add up to 0, then this is a full revert (in all likelihood)

var diffbytes1 = parseInt($this.find('[class^=mw-plusminus]').text().replace(/−/, '-'));

var diffbytes2 = parseInt($reverted_rev.find('[class^=mw-plusminus]').text().replace(/−/, '-'));

if (diffbytes1 + diffbytes2 === 0) {

$this.hide();

$reverted_rev.hide();

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'undo');

}

// 'Restore this version' reverts using Twinkle (old) or popups or pending changes reverts

// TW(old): Reverted to revision 3234343 by ...

// popups: Revert to revision 34234234 by ...

// PC tool: Revereted 3 pending edits by Foo and Bar to revision 3243432 by ...

} else if (rgx = /^Revert(?:ed)? (?:\d+ pending edits? by .*?)?to revision (\d+)/.exec(editcomment)) {

last_good_revision = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'restore');

// 'Restore this version' reverts using Twinkle (new)

} else if (rgx = /^Restored revision (\d+) by/.exec(editcomment)) {

last_good_revision = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'tw(new) restore');

// Reverts tagged as "Rollback"

} else if ($this.find('.mw-tag-marker-mw-rollback').length) {

reverted_user = $this.next().find('.mw-userlink bdi').text();

}

// Twinkle rollbacks

else if (rgx = /^Reverted (?:good faith|\d+) edits? by (.*?) \(talk\)/.exec(editcomment)) {

reverted_user = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'Twinkle rollback');

// Old Twinke vandalism rollback

} else if (rgx = /^Reverted \d+ edits? by (.*?) identified as vandalism/.exec(editcomment)) {

reverted_user = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'Twinkle (old) rollback');

// STiki vandalism rollbacks, and all reverts using MediaWiki rollback, Huggle, Cluebot have the "Rollback" tag added

// and hence would have been handled above. The regex checks here are to account for old reverts done before the

// "Rollback" tag was introduced

// STiki AGF/normal/vandalism revert

} else if (rgx = /^Reverted \d+ (?:good faith )?edits? by (.*?) (?:identified as test\/vandalism )?using STiki/.exec(editcomment)) {

reverted_user = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'STiki rollback');

// normal MediaWiki rollback and Huggle rollback, and redwarn rollback

// MW/Huggle: Reverted edits by User (talk)

// RedWarn: Reverting edit(s) by User (talk)

} else if (rgx = /^Revert(?:ed|ing) edit\(?s\)? by (.*?) \(talk\)/.exec(editcomment)) {

reverted_user = rgx[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'mw/huggle/redwarn rollback');

// ClueBot

} else if (['ClueBot NG', 'ClueBot'].includes($this.find('.mw-userlink bdi').text())) {

reverted_user = /^Reverting possible vandalism by (.*?) to version by/.exec(editcomment)?.[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'cluebot rollback');

// XLinkBot

} else if ($this.find('.mw-userlink bdi').text() === 'XLinkBot') {

reverted_user = /^BOT--Reverting link addition\(s\) by (.*?) to/.exec(editcomment)?.[1];

if (window.hre_debug) console.log(idx, $this.find('.mw-changeslist-date').text(), 'xlinkbot rollback');

}

if (reverted_user) {

// page history shows compressed IPv6 address (with multiple 0's replaced by ::)

// though rollback edit summaries use the uncompressed form (though with leading 0's removed)

if (mw.util.isIPv6Address(reverted_user)) {

reverted_user = reverted_user.replace(/\b(?:0+:){2,}/, ':').toLowerCase();

}

$this.hide();

var $rev = $this.next();

while ($rev.find('.mw-userlink bdi').text() === reverted_user) {

$rev.hide();

$rev = $rev.next();

if ($rev.length === 0) break; // end of page history (in current view)

}

}

if (last_good_revision) {

$this.hide();

var $rev = $this.next();

if (parseInt(last_good_revision) > parseInt($rev.attr('data-mw-revid')) ||

parseInt(last_good_revision) < 100) { // sanity checks

return true; // revision id given has to be wrong

}

while ($rev.attr('data-mw-revid') !== last_good_revision) {

$rev.hide();

$rev = $rev.next();

if ($rev.length === 0) break; // end of page history in current view

}

}

});

},

/**

* Add or remove "&hidereverted=y" from the targets of links:

* (newest | oldest) (newer n | older n) (20 | 50 | 100 | 250 | 500)

*/

fixLinks: function(hidingReverts) {

if (hidingReverts) {

if (!/&hidereverted=y/.test($('.mw-numlink').attr('href'))) {

$('.mw-firstlink, .mw-lastlink, .mw-prevlink, .mw-nextlink, .mw-numlink').each(function() {

this.href += '&hidereverted=y';

});

}

} else {

$('.mw-firstlink, .mw-lastlink, .mw-prevlink, .mw-nextlink, .mw-numlink').each(function() {

this.href = this.href.replace(/&hidereverted=y/, '');

});

}

}

}

$(hre.init);