mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RelatedArticles
synced 2024-12-21 04:14:13 +00:00
f4c82d3a33
In order to avoid further confusion, clarify that we're bucketing users for experiments. Bug: T167236 Depends-On: I752cdf068ca25bffb38229380785e7da1a208049 Change-Id: I6508ab8fa3d436ae295eb047e170fdc5417d25fc
108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
// See https://meta.wikimedia.org/wiki/Schema:RelatedArticles
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( function ( $, mw ) {
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var $readMore,
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schemaRelatedPages,
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skin = mw.config.get( 'skin' ),
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$window = $( window );
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/**
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* Gets whether the UA supports [the Beacon API][0].
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*
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* [0]: https://www.w3.org/TR/beacon/
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*
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* @return {boolean}
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*/
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function supportsBeacon() {
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return $.isFunction( window.navigator.sendBeacon );
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}
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/**
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* Gets whether the instrumentation is enabled for the user.
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*
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* We sample at the feature level, not by pageview. If the instrumentation is
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* enabled for the user, then it's enabled for the duration of their session.
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*
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* @return {boolean}
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*/
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function isEnabledForCurrentUser() {
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var bucketSize = mw.config.get( 'wgRelatedArticlesLoggingBucketSize', 0 );
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if ( !supportsBeacon() ) {
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return false;
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}
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return mw.experiments.getBucket( {
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name: 'ext.relatedArticles.instrumentation',
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enabled: true,
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buckets: {
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control: 1 - bucketSize,
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A: bucketSize
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}
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}, mw.user.sessionId() ) === 'A';
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}
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if ( !isEnabledForCurrentUser() ) {
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return;
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}
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// ---
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// BEGIN INSTRUMENTATION
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// ---
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schemaRelatedPages = new mw.eventLog.Schema(
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'RelatedArticles',
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// The instrumentation is enabled for the user's session. DON'T SAMPLE AT
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// THE EVENT LEVEL.
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1,
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{
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pageId: mw.config.get( 'wgArticleId' ),
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skin: ( skin === 'minerva' ) ? skin + '-' + mw.config.get( 'wgMFMode' ) : skin,
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userSessionToken: mw.user.sessionId()
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}
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);
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/**
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* Log when ReadMore is seen by the user
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*/
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function logReadMoreSeen() {
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if ( mw.viewport.isElementInViewport( $readMore.get( 0 ) ) ) {
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$window.off( 'scroll', logReadMoreSeen );
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schemaRelatedPages.log( { eventName: 'seen' } );
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}
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}
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mw.trackSubscribe( 'ext.relatedArticles.logEnabled', function ( _, data ) {
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schemaRelatedPages.log( {
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eventName: data.isEnabled ? 'feature-enabled' : 'feature-disabled'
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} );
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} );
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mw.trackSubscribe( 'ext.relatedArticles.logReady', function ( _, data ) {
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$readMore = data.$readMore;
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// log ready
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schemaRelatedPages.log( { eventName: 'ready' } );
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// log when ReadMore is seen by the user
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$window.on(
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'scroll',
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$.debounce( 250, logReadMoreSeen )
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);
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logReadMoreSeen();
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// track the clicked event
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// TODO: This should be moved into the PageList component or, preferably, the CardList/Card views.
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$readMore.on( 'click', 'a', function () {
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var index = $( this ).parents( 'li' ).index();
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schemaRelatedPages.log( {
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eventName: 'clicked',
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clickIndex: index + 1
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} );
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} );
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} );
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}( jQuery, mediaWiki ) );
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