Snippets/Purge action

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Purge action
Language(s):	JavaScript
Compatible with:	MediaWiki 1.35+ (Vector; Monobook)

Description

Adds a link for purging the current page to the content actions.

Code

The code is self-contained. When using the code as a gadget, replace:

$.when( mw.loader.using( [ 'mediawiki.util', 'mediawiki.api' ] ), $.ready ).then( function () {

with:

$( function () {

and list the dependencies in the gadgets definition file.

/**
 * Add "Purge" content action link.
 *
 * Dependencies: mediawiki.util, mediawiki.api
 *
 * @source https://www.mediawiki.org/wiki/Snippets/Purge_action
 * @revision 2020-04-04
 */
$.when( mw.loader.using( [ 'mediawiki.util', 'mediawiki.api' ] ), $.ready ).then( function () {
	if ( $( '#ca-purge' ).length || mw.config.get( 'wgNamespaceNumber' ) < 0 ) return;
	var node = mw.util.addPortletLink(
		'p-cactions',
		mw.util.getUrl( null, { action: 'purge' } ),
		'Purge',
		'ca-purge',
		'Purge the server cache of this page'
	);
	$( node ).on( 'click', function ( e ) {
		new mw.Api().post( { action: 'purge', titles: mw.config.get( 'wgPageName' ) } ).then( function () {
			location.reload();
		}, function () {
			mw.notify( 'Purge failed', { type: 'error' } );
		} );
		e.preventDefault();
	} );
} );