wikimedia/mediawiki-core

/*!
 * Enable right-click-to-edit functionality.
 *
 * When the user right-clicks in a content heading, it will open the
 * edit section link.
 */
( function () {
    if ( Number( mw.user.options.get( 'editsectiononrightclick' ) ) !== 1 ) {
        // Support both 1 or "1" (T54542)
        return;
    }

    // Trigger this when a contextmenu click on the page targets an h1-h6 element.
    // This uses a delegate handler which 1) starts immediately instead of blocking
    // response on dom-ready, and 2) selects and binds once instead of N times.
    // (Plain tags needed for compatibility with skin option supportsMwHeading=false)
    $( document ).on( 'contextmenu', '.mw-heading, h1, h2, h3, h4, h5, h6', function ( e ) {
        // Don't use ":has:(.mw-editsection a)" in the selector because it's slow.
        const $edit = $( this ).find( '.mw-editsection a' );
        if ( !$edit.length ) {
            return;
        }

        // Headings can contain rich text.
        // Make sure to not block contextmenu events on (other) anchor tags
        // inside the heading (e.g. to do things like copy URL, open in new tab, ..).
        // e.target can be the heading, but it can also be anything inside the heading.
        if ( !$( e.target ).closest( 'a' ).length ) {
            // Trigger native HTMLElement click instead of opening URL (T45052)
            e.preventDefault();
            $edit.get( 0 ).click();
        }
    } );
}() );