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feat: scroll to top on page switch

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This commit is contained in:
afn 2023-03-26 16:03:52 -04:00
parent 943ced0513
commit c03344b04c
1 changed files with 15 additions and 17 deletions
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30
src/routes/poll/+page.svelte
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@ -83,6 +83,17 @@
logos[j] = k;
}
function preloadImage(url: string) {
let img = new Image();
img.src = url;
}
logos.forEach((variants) => {
variants.forEach((variant) =>
preloadImage(variant.optimized_direct_url ?? variant.logo_direct_url)
);
});
// min is the lowest index of the logos on a page, max is the highest index
// max will be determined based on min and the amount of logos we want on each page (4)
min = currentPage * logoAmount;
@ -93,7 +104,7 @@
logos = logos;
if (location.hash !== '') {
botToken = location.hash.substring(1)
botToken = location.hash.substring(1);
try {
await exchange_token(location.hash.substring(1));
} catch (err) {
@ -110,32 +121,19 @@
}
});
function preloadImage(url: string) {
var img = new Image();
img.src = url;
}
function previousPage() {
if (currentPage <= 0) return null;
currentPage--;
submit = false;
transitionDirection = -5;
window.scrollTo({ top: 0, left: 0, behavior: 'smooth' });
}
function nextPage() {
let nextPage = currentPage + 1;
if (currentPage >= logoPages || submit) return null;
currentPage++;
const nextMin = nextPage * logoAmount;
const nextMax = nextMin + logoAmount;
logos.slice(nextMin, nextMax).forEach((variants) => {
variants.forEach((variant) =>
preloadImage(variant.optimized_direct_url ?? variant.logo_direct_url)
);
});
transitionDirection = 5;
window.scrollTo({ top: 0, left: 0, behavior: 'smooth' });
}
function submitSelection() {