Function sync has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    function sync() {

        // Subscribe to input
        removeEventListeners();
        addEventListeners();

Function loadExternalMarkdown has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    function loadExternalMarkdown( section ) {

        return new Promise( function( resolve, reject ) {

            const xhr = new XMLHttpRequest(),

Function sort has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    sort( fragments, grouped = false ) {

        fragments = Array.from( fragments );

        let ordered = [],

Consider simplifying this complex logical expression.

Open

            if( autoSlide && !autoSlidePaused && !isPaused() && !overview.isActive() && ( !isLastSlide() || fragments.availableRoutes().next || config.loop === true ) ) {
                autoSlideTimeout = setTimeout( () => {
                    if( typeof config.autoSlideMethod === 'function' ) {
                        config.autoSlideMethod()
                    }

Function scrollHighlightedLineIntoView has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    scrollHighlightedLineIntoView: function( block, scrollState, skipAnimation ) {

        cancelAnimationFrame( scrollState.animationFrameID );

        // Match the scroll position of the currently visible

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Function init has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    init: function( reveal ) {

        reveal.getRevealElement().addEventListener( 'mousedown', function( event ) {
            var defaultModifier = /Linux/.test( window.navigator.platform ) ? 'ctrl' : 'alt';

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Function writeURL has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    writeURL( delay ) {

        let config = this.Reveal.getConfig();
        let currentSlide = this.Reveal.getCurrentSlide();

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Function onSlideClicked has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    onSlideClicked( event ) {

        if( this.isActive() ) {
            event.preventDefault();

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Function registerPlugin has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    registerPlugin( plugin ) {

        // Backwards compatibility to make reveal.js ~3.9.0
        // plugins work with reveal.js 4.0.0
        if( arguments.length === 2 && typeof arguments[0] === 'string' ) {

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Function KaTeX has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

export const KaTeX = () => {
    let deck;

    let defaultOptions = {
        version: 'latest',

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Avoid deeply nested control flow statements.

Open

                else if( i === index && config.fragments ) {
                    if( loopedForwards ) {
                        hideFragmentsIn( element );
                    }
                    else if( loopedBackwards ) {

Avoid deeply nested control flow statements.

Open

                    if( config.navigationMode === 'linear' ) {
                        if( config.rtl ) {
                            this.Reveal.prev();
                        }
                        else {

Avoid deeply nested control flow statements.

Open

                    if( isMobile ) {
                        video.muted = true;
                        video.setAttribute( 'playsinline', '' );
                    }

Avoid deeply nested control flow statements.

Open

                        if( slide.classList.contains( 'stack' ) ) {
                            slide.style.top = 0;
                        }
                        else {
                            slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';

Avoid deeply nested control flow statements.

Open

                        if( type ) {
                            sourceElement.setAttribute( 'type', type );
                        }

Avoid deeply nested control flow statements.

Open

                if( event.shiftKey ) {
                    this.Reveal.slide( undefined, 0 );
                }
                else if( !this.Reveal.overview.isActive() && useLinearMode ) {
                    this.Reveal.prev({skipFragments: event.altKey});

Avoid deeply nested control flow statements.

Open

                    if( config.fragments ) {
                        // Hide all fragments in future slides
                        hideFragmentsIn( element );
                    }

Avoid deeply nested control flow statements.

Open

                        if ( typeof aPreviousChildElement.setAttribute === 'function' && aPreviousChildElement.tagName !== "BR" ) {
                            previousParentElement = aPreviousChildElement;
                            break;
                        }

Avoid deeply nested control flow statements.

Open

            else if( keyCode === 74 || keyCode === 40 ) {
                if( event.shiftKey ) {
                    this.Reveal.slide( undefined, Number.MAX_VALUE );
                }
                else if( !this.Reveal.overview.isActive() && useLinearMode ) {

Avoid deeply nested control flow statements.

Open

                        if( distanceX + distanceY < viewDistance ) {
                            slideContent.load( verticalSlide );
                        }
                        else {
                            slideContent.unload( verticalSlide );