Shared-Travel-Map-Front-End/node_modules/ionic-angular/components/slides/swiper/swiper-progress.js

import { CLS, maxTranslate, minTranslate, removeClass, updateSlidesOffset } from './swiper-utils';
export function updateProgress(s, translate) {
    if (typeof translate === 'undefined') {
        translate = s._translate || 0;
    }
    var translatesDiff = maxTranslate(s) - minTranslate(s);
    var wasBeginning = s._isBeginning;
    var wasEnd = s._isEnd;
    if (translatesDiff === 0) {
        s.progress = 0;
        s._isBeginning = s._isEnd = true;
    }
    else {
        s.progress = (translate - minTranslate(s)) / (translatesDiff);
        s._isBeginning = s.progress <= 0;
        s._isEnd = s.progress >= 1;
    }
    s._zone.run(function () {
        if (s._isBeginning && !wasBeginning) {
            s.ionSlideReachStart.emit();
        }
        if (s._isEnd && !wasEnd) {
            s.ionSlideReachEnd.emit();
        }
        if (s.watchSlidesProgress) {
            updateSlidesProgress(s, translate);
        }
        s.ionSlideProgress.emit(s.progress);
    });
}
function updateSlidesProgress(s, translate) {
    if (typeof translate === 'undefined') {
        translate = s._translate || 0;
    }
    if (s._slides.length === 0)
        return;
    if (typeof s._slides[0].swiperSlideOffset === 'undefined') {
        updateSlidesOffset(s);
    }
    var offsetCenter = -translate;
    if (s._rtl)
        offsetCenter = translate;
    // Visible Slides
    removeClass(s._slides, CLS.slideVisible);
    for (var i = 0; i < s._slides.length; i++) {
        var slide = s._slides[i];
        var slideProgress = (offsetCenter + (s.centeredSlides ? minTranslate(s) : 0) - slide.swiperSlideOffset) / (slide.swiperSlideSize + s.spaceBetween);
        if (s.watchSlidesVisibility) {
            var slideBefore = -(offsetCenter - slide.swiperSlideOffset);
            var slideAfter = slideBefore + s._slidesSizesGrid[i];
            var isVisible = (slideBefore >= 0 && slideBefore < s._renderedSize) ||
                (slideAfter > 0 && slideAfter <= s._renderedSize) ||
                (slideBefore <= 0 && slideAfter >= s._renderedSize);
            if (isVisible) {
                s._slides[i].classList.add(CLS.slideVisible);
            }
        }
        slide.progress = s._rtl ? -slideProgress : slideProgress;
    }
}
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