File backgrounds.js has 264 lines of code (exceeds 250 allowed). Consider refactoring.

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import { queryAll } from '../utils/util.js'
import { colorToRgb, colorBrightness } from '../utils/color.js'

/**
 * Creates and updates slide backgrounds.

Function update has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

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    update( index, fragments, slide = this.Reveal.getCurrentSlide() ) {

        let changedFragments = {
            shown: [],
            hidden: []

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Function sync has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

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    sync( slide ) {

        const element = slide.slideBackgroundElement,
            contentElement = slide.slideBackgroundContentElement;

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Function configure has 54 lines of code (exceeds 25 allowed). Consider refactoring.

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    function configure( options ) {

        const oldConfig = { ...config }

        // New config options may be passed when this method

Function pages has 54 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        this.pages = pageElements.map( pageElement => {
            const page = this.createPage({
                pageElement,
                slideElement: pageElement.querySelector( 'section' ),
                stickyElement: pageElement.querySelector( '.scroll-page-sticky' ),

File gulpfile.js has 256 lines of code (exceeds 250 allowed). Consider refactoring.

Open

const pkg = require('./package.json')
const glob = require('glob')
const yargs = require('yargs')
const through = require('through2');
const qunit = require('node-qunit-puppeteer')

Function updateSlidesVisibility has 53 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    function updateSlidesVisibility() {

        // Select all slides and convert the NodeList result to
        // an array
        let horizontalSlides = getHorizontalSlides(),

Function getHash has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

Open

    getHash( slide ) {

        let url = '/';

        // Attempt to create a named link based on the slide's ID

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Function goto has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

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    goto( index, offset = 0 ) {

        let currentSlide = this.Reveal.getCurrentSlide();
        if( currentSlide && this.Reveal.getConfig().fragments ) {

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Function getSlideNumber has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

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    getSlideNumber( slide = this.Reveal.getCurrentSlide() ) {

        let config = this.Reveal.getConfig();
        let value;
        let format = SLIDE_NUMBER_FORMAT_HORIZONTAL_DOT_VERTICAL;

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Function startEmbeddedContent has 50 lines of code (exceeds 25 allowed). Consider refactoring.

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    startEmbeddedContent( element ) {

        if( element && !this.Reveal.isSpeakerNotes() ) {

            // Restart GIFs

Function MathJax3 has 50 lines of code (exceeds 25 allowed). Consider refactoring.

Open

export const MathJax3 = () => {

    // The reveal.js instance this plugin is attached to
    let deck;

Function getAutoAnimatableProperties has 49 lines of code (exceeds 25 allowed). Consider refactoring.

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    getAutoAnimatableProperties( direction, element, elementOptions ) {

        let config = this.Reveal.getConfig();

        let properties = { styles: [] };

Function update has 49 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    update() {

        let routes = this.Reveal.availableRoutes();

        // Remove the 'enabled' class from all directions

Function MathJax2 has 49 lines of code (exceeds 25 allowed). Consider refactoring.

Open

export const MathJax2 = () => {

    // The reveal.js instance this plugin is attached to
    let deck;

Function run has 48 lines of code (exceeds 25 allowed). Consider refactoring.

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    run( fromSlide, toSlide ) {

        // Clean up after prior animations
        this.reset();

Function updateParallax has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

    updateParallax() {

        let indices = this.Reveal.getIndices();

        if( this.Reveal.getConfig().parallaxBackgroundImage ) {

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Function jump has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

    jump() {

        clearTimeout( this.jumpTimeout );
        delete this.jumpTimeout;

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Function startEmbeddedIframe has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

    startEmbeddedIframe( event ) {

        let iframe = event.target;

        if( iframe && iframe.contentWindow ) {

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Function run has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

    run( fromSlide, toSlide ) {

        // Clean up after prior animations
        this.reset();

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