mediawiki-extensions-RevisionSlider/modules/ext.RevisionSlider.init.js

( function ( mw, $ ) {
	mw.track( 'counter.MediaWiki.RevisionSlider.event.init' );
	mw.libs.revisionSlider.userOffset = mw.user.options.values.timecorrection ? mw.user.options.values.timecorrection.split( '|' )[ 1 ] : mw.config.values.extRevisionSliderTimeOffset;
	mw.libs.revisionSlider.fetchRevisions( {
		pageName: mw.config.get( 'wgPageName' ),
		startId: mw.config.get( 'wgCurRevisionId' ),

		success: function ( data ) {
			var revs,
				revisionList,
				$container,
				slider;

			try {
				revs = data.query.pages[ 0 ].revisions;
				if ( !revs ) {
					return;
				}
				revs.reverse();

				revisionList = new mw.libs.revisionSlider.RevisionList( revs );
				$container = $( '#mw-revision-slider-container' );
				slider = new mw.libs.revisionSlider.Slider( revisionList );
				slider.getView().render( $container );

				$( '#mw-revision-slider-placeholder' ).remove();

				if ( !mw.user.options.get( 'userjs-revslider-hidehelp' ) ) {
					mw.libs.revisionSlider.HelpDialog.show();
					( new mw.Api() ).saveOption( 'userjs-revslider-hidehelp', true );
				}

				$container.append(
					$( '<button>' )
						.click( function () {
							mw.libs.revisionSlider.HelpDialog.show();
						} )
						.text( '?' )
						.addClass( 'mw-show-help' )
				);
			} catch ( err ) {
				if ( err === 'RS-rev-out-of-range' ) {
					$( '#mw-revision-slider-placeholder' )
						.text( mw.message( 'revisionslider-loading-out-of-range' ).text() );
					console.log( err );
					mw.track( 'counter.MediaWiki.RevisionSlider.error.outOfRange' );
				} else {
					$( '#mw-revision-slider-placeholder' )
						.text( mw.message( 'revisionslider-loading-failed' ).text() );
					console.log( err );
					mw.track( 'counter.MediaWiki.RevisionSlider.error.init' );
				}
			}

		},
		error: function ( err ) {
			$( '#mw-revision-slider-placeholder' )
				.text( mw.message( 'revisionslider-loading-failed' ).text() );
			console.log( err );
			mw.track( 'counter.MediaWiki.RevisionSlider.error.init' );
		}
	} );
}( mediaWiki, jQuery ) );