wikimedia/mediawiki-extensions-MobileFrontend

module.exports = function () {
    const
        currentPage = require( '../mobile.startup/currentPage' )(),
        Toggler = require( '../mobile.startup/Toggler' ),
        sectionCollapsing = require( '../mobile.startup/sectionCollapsing' ),
        eventBus = require( '../mobile.startup/eventBusSingleton' );

    /**
     * Initialises toggling code.
     *
     * @method
     * @param {jQuery.Object} $container to enable toggling on
     * @param {string} prefix a prefix to use for the id.
     * @param {Page} page The current page
     * @ignore
     */
    function init( $container, prefix, page ) {
        const isParsoidEnabled = !!document.querySelector( '.mw-parser-output[data-mw-parsoid-version]' );
        if ( isParsoidEnabled ) {
            sectionCollapsing.init( $container[0] );
        } else {
            // Only handle headings in content processed by MakeSectionsTransform.
            // Remove event handler added by MakeSectionsTransform::interimTogglingSupport().
            $container.find( '.section-heading' ).removeAttr( 'onclick' );
            // Cleanup global as it is no longer needed. We check if it's undefined because
            // there is no guarantee this won't be run on other skins e.g. Vector or cached HTML.
            if ( window.mfTempOpenSection !== undefined ) {
                delete window.mfTempOpenSection;
            }
            // eslint-disable-next-line no-new
            new Toggler( {
                $container: $container,
                prefix: prefix,
                page: page,
                eventBus: eventBus
            } );
        }
    }

    if (
        // Avoid this running on Watchlist.
        !currentPage.inNamespace( 'special' ) &&
        (
            mw.config.get( 'wgAction' ) === 'view' ||
            mw.config.get( 'wgAction' ) === 'edit'
        )
    ) {
        mw.hook( 'wikipage.content' ).add( function ( $container ) {
            let $contentContainer = $container.find( '.mw-parser-output' );
            // If there was no mw-parser-output wrapper, just use the parent.
            if ( $contentContainer.length === 0 ) {
                $contentContainer = $container;
            }
            init( $contentContainer, 'content-', currentPage );
        } );
    }
};