constructor()

in inflation-explorer/shared/js/scrollytellerProgress.js [6:25]

• 18 lines of code
• 3 McCabe index (conditional complexity)

    constructor(config) {
        this.isMobile = window.innerWidth < 740;
        this.triggerTop = (!this.isMobile) ? config.triggerTop : config.triggerTopMobile;
        this.scrollInner = config.parent.querySelector(".scroll-inner");
        this.scrollText = config.parent.querySelector(".scroll-text");
        this.scrollWrapper = config.parent.querySelector(".scroll-wrapper");
        this.lastScroll = null;
        this.lastI = null;
        this.triggerPoints = [];
        this.textBoxes = [].slice.apply(this.scrollText.querySelectorAll(".scroll-text__inner"));
        this.transparentUntilActive = config.transparentUntilActive;
        this.scrollWrapper.style.height = this.textBoxes.map( el => el.getBoundingClientRect().height ).reduce(sum, 0) + 'px'
        
        this.on = true
        this.onOverallProgress = () => {}; // default here should be improved

        if(this.transparentUntilActive) {
            config.parent.classList.add("transparent-until-active");
        }
    }