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Retry infinite scroll errors

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Zed 2023-07-24 10:37:25 +02:00
parent 39192bf191
commit 20b5cce5dc
1 changed files with 20 additions and 9 deletions
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29
public/js/infiniteScroll.js
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@ -5,7 +5,7 @@ function insertBeforeLast(node, elem) {
} }
function getLoadMore(doc) { function getLoadMore(doc) {
return doc.querySelector('.show-more:not(.timeline-item)'); return doc.querySelector(".show-more:not(.timeline-item)");
} }
function isDuplicate(item, itemClass) { function isDuplicate(item, itemClass) {
@ -15,18 +15,19 @@ function isDuplicate(item, itemClass) {
return document.querySelector(itemClass + " .tweet-link[href='" + href + "']") != null; return document.querySelector(itemClass + " .tweet-link[href='" + href + "']") != null;
} }
window.onload = function() { window.onload = function () {
const url = window.location.pathname; const url = window.location.pathname;
const isTweet = url.indexOf("/status/") !== -1; const isTweet = url.indexOf("/status/") !== -1;
const containerClass = isTweet ? ".replies" : ".timeline"; const containerClass = isTweet ? ".replies" : ".timeline";
const itemClass = containerClass + ' > div:not(.top-ref)'; const itemClass = containerClass + " > div:not(.top-ref)";
var html = document.querySelector("html"); var html = document.querySelector("html");
var container = document.querySelector(containerClass); var container = document.querySelector(containerClass);
var loading = false; var loading = false;
window.addEventListener('scroll', function() { function handleScroll(failed) {
if (loading) return; if (loading) return;
if (html.scrollTop + html.clientHeight >= html.scrollHeight - 3000) { if (html.scrollTop + html.clientHeight >= html.scrollHeight - 3000) {
loading = true; loading = true;
var loadMore = getLoadMore(document); var loadMore = getLoadMore(document);
@ -35,13 +36,15 @@ window.onload = function() {
loadMore.children[0].text = "Loading..."; loadMore.children[0].text = "Loading...";
var url = new URL(loadMore.children[0].href); var url = new URL(loadMore.children[0].href);
url.searchParams.append('scroll', 'true'); url.searchParams.append("scroll", "true");
fetch(url.toString()).then(function (response) { fetch(url.toString()).then(function (response) {
if (response.status === 404) throw "error";
return response.text(); return response.text();
}).then(function (html) { }).then(function (html) {
var parser = new DOMParser(); var parser = new DOMParser();
var doc = parser.parseFromString(html, 'text/html'); var doc = parser.parseFromString(html, "text/html");
loadMore.remove(); loadMore.remove();
for (var item of doc.querySelectorAll(itemClass)) { for (var item of doc.querySelectorAll(itemClass)) {
@ -57,10 +60,18 @@ window.onload = function() {
if (isTweet) container.appendChild(newLoadMore); if (isTweet) container.appendChild(newLoadMore);
else insertBeforeLast(container, newLoadMore); else insertBeforeLast(container, newLoadMore);
}).catch(function (err) { }).catch(function (err) {
console.warn('Something went wrong.', err); console.warn("Something went wrong.", err);
loading = true; if (failed > 3) {
loadMore.children[0].text = "Error";
return;
}
loading = false;
handleScroll((failed || 0) + 1);
}); });
} }
}); }
window.addEventListener("scroll", () => handleScroll());
}; };
// @license-end // @license-end