mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RelatedArticles
synced 2024-12-03 20:36:50 +00:00
5f98265e7e
The threshold is now 2 times the window height per Nirzar. Bug: T144822 Change-Id: Ia72b0532e481211645364a1ed9715f6f07f28fca
84 lines
2.4 KiB
JavaScript
84 lines
2.4 KiB
JavaScript
( function ( $, mw ) {
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var config = mw.config.get( [ 'skin', 'wgNamespaceNumber', 'wgMFMode',
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'wgIsMainPage', 'wgAction' ] ),
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relatedPages = new mw.relatedPages.RelatedPagesGateway(
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new mw.Api(),
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mw.config.get( 'wgPageName' ),
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mw.config.get( 'wgRelatedArticles' ),
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mw.config.get( 'wgRelatedArticlesUseCirrusSearch' ),
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mw.config.get( 'wgRelatedArticlesOnlyUseCirrusSearch' )
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),
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LIMIT = 3,
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debouncedLoad = $.debounce( 100, function () {
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loadRelatedArticles();
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} ),
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$window = $( window );
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/**
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* Load related articles when the user scrolls past half of the window height.
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*
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* @ignore
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*/
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function loadRelatedArticles() {
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var readMore = $( '.read-more-container' ).get( 0 ),
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scrollThreshold = $window.height() * 2;
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if ( mw.viewport.isElementCloseToViewport( readMore, scrollThreshold ) ) {
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$.when(
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// Note we load dependencies here rather than ResourceLoader
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// to avoid PHP exceptions when Cards not installed
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// which should never happen given the if statement.
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mw.loader.using( [ 'ext.cards', 'ext.relatedArticles.readMore' ] ),
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relatedPages.getForCurrentPage( LIMIT )
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).done( function ( _, pages ) {
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if ( pages.length ) {
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mw.track( 'ext.relatedArticles.init', pages );
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}
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} );
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// detach handler to stop subsequent loads on scroll
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$window.off( 'scroll', debouncedLoad );
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}
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}
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/**
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* Is the current page a diff page?
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*
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* @ignore
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* @return {boolean}
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*/
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function isDiffPage() {
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var queryParams = new mw.Uri( window.location.href ).query;
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return !!(
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queryParams.type === 'revision' ||
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queryParams.hasOwnProperty( 'diff' ) ||
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queryParams.hasOwnProperty( 'oldid' )
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);
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}
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if (
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config.wgNamespaceNumber === 0 &&
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!config.wgIsMainPage &&
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// T120735
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config.wgAction === 'view' &&
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!isDiffPage() &&
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// any skin except minerva stable
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( config.skin !== 'minerva' || config.wgMFMode === 'beta' )
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) {
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// Add container to DOM for checking distance on scroll
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// If a skin has marked up a footer content area prepend it there
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if ( $( '.footer-content' ).length ) {
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$( '<div class="read-more-container" />' ).prependTo( '.footer-content' );
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} else {
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$( '<div class="read-more-container post-content" />' )
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.insertAfter( '#content' );
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}
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// try related articles load on scroll
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$window.on( 'scroll', debouncedLoad );
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// try an initial load, in case of no scroll
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loadRelatedArticles();
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}
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}( jQuery, mediaWiki ) );
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