ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular
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JavaScript
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(() => {
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;
}
}
//# sourceMappingURL=swiper-progress.js.map