MediaWiki:Gadget-autocollapse.js

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( function ( $, mw ) {
	function mwCollapsibleSetup( $collapsibleContent ) {
		var $element,
			$toggle,
			autoCollapseThreshold = 2;
		$.each( $collapsibleContent, function ( index, element ) {
			$element = $( element );
			if ( $element.hasClass( 'collapsible' ) ) {
				$element.find( 'tr:first > th:first' ).prepend( $element.find( 'tr:first > * > .mw-collapsible-toggle' ) );
			}
			if ( $collapsibleContent.length >= autoCollapseThreshold && $element.hasClass( 'autocollapse' ) ) {
				$element.data( 'mw-collapsible' ).collapse();
			} else if ( $element.hasClass( 'innercollapse' ) ) {
				if ( $element.parents( '.outercollapse' ).length > 0 ) {
					$element.data( 'mw-collapsible' ).collapse();
				}
			}
			// because of colored backgrounds, style the link in the text color
			// to ensure accessible contrast
			$toggle = $element.find( '.mw-collapsible-toggle' );
			if ( $toggle.length ) {
				// Make the toggle inherit text color
				if ( $toggle.parent()[ 0 ].style.color ) {
					$toggle.find( 'a' ).css( 'color', 'inherit' );
				}
			}
		} );
	}
	
	mw.hook( 'wikipage.collapsibleContent' ).add( mwCollapsibleSetup );
} )( jQuery, mediaWiki );