mediawiki-extensions-Relate.../resources/ext.relatedArticles.readMore.bootstrap/index.js
divadsn e9102f8d35 Large gap left in footer on pages with no related articles
An empty container was left on the page despite there being no related articles.
This should prevent adding the container on pages with no related articles.

Bug: T147217
Change-Id: I074a12e2d6680403551c436a4b00c3b9ab1c8d09
2016-12-12 22:18:28 +00:00

59 lines
1.8 KiB
JavaScript

( function ( $, mw ) {
var relatedPages = new mw.relatedPages.RelatedPagesGateway(
new mw.Api(),
mw.config.get( 'wgPageName' ),
mw.config.get( 'wgRelatedArticles' ),
mw.config.get( 'wgRelatedArticlesUseCirrusSearch' ),
mw.config.get( 'wgRelatedArticlesOnlyUseCirrusSearch' )
),
LIMIT = 3,
debouncedLoad = $.debounce( 100, function () {
loadRelatedArticles();
} ),
$window = $( window );
/**
* Load related articles when the user scrolls past half of the window height.
*
* @ignore
*/
function loadRelatedArticles() {
var readMore = $( '.read-more-container' ).get( 0 ),
scrollThreshold = $window.height() * 2;
if ( mw.viewport.isElementCloseToViewport( readMore, scrollThreshold ) ) {
$.when(
// Note we load dependencies here rather than ResourceLoader
// to avoid PHP exceptions when Cards not installed
// which should never happen given the if statement.
mw.loader.using( [ 'ext.cards', 'ext.relatedArticles.readMore' ] ),
relatedPages.getForCurrentPage( LIMIT )
).done( function ( _, pages ) {
if ( pages.length ) {
mw.track( 'ext.relatedArticles.init', pages );
} else {
readMore.remove();
}
} );
// detach handler to stop subsequent loads on scroll
$window.off( 'scroll', debouncedLoad );
}
}
// Add container to DOM for checking distance on scroll
// If a skin has marked up a footer content area prepend it there
if ( $( '.footer-content' ).length ) {
$( '<div class="read-more-container" />' ).prependTo( '.footer-content' );
} else {
$( '<div class="read-more-container post-content" />' )
.insertAfter( '#content' );
}
// try related articles load on scroll
$window.on( 'scroll', debouncedLoad );
// try an initial load, in case of no scroll
loadRelatedArticles();
}( jQuery, mediaWiki ) );