65 lines
2.4 KiB
JavaScript
65 lines
2.4 KiB
JavaScript
// @license http://www.gnu.org/licenses/agpl-3.0.html AGPL-3.0
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function insertBeforeLast(node, elem) {
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node.insertBefore(elem, node.childNodes[node.childNodes.length - 2]);
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}
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function getLoadMore(doc) {
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return doc.querySelector('.show-more:not(.timeline-item)');
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}
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function isDuplicate(item, itemClass) {
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const tweet = item.querySelector(".tweet-link");
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if (tweet == null) return false;
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const href = tweet.getAttribute("href");
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return document.querySelector(itemClass + " .tweet-link[href='" + href + "']") != null;
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}
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window.onload = function() {
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const url = window.location.pathname;
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const isTweet = url.indexOf("/status/") !== -1;
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const containerClass = isTweet ? ".replies" : ".timeline";
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const itemClass = containerClass + ' > div:not(.top-ref)';
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var html = document.querySelector("html");
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var container = document.querySelector(containerClass);
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var loading = false;
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window.addEventListener('scroll', function() {
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if (loading) return;
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if (html.scrollTop + html.clientHeight >= html.scrollHeight - 3000) {
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loading = true;
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var loadMore = getLoadMore(document);
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if (loadMore == null) return;
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loadMore.children[0].text = "Loading...";
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var url = new URL(loadMore.children[0].href);
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url.searchParams.append('scroll', 'true');
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fetch(url.toString()).then(function (response) {
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return response.text();
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}).then(function (html) {
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var parser = new DOMParser();
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var doc = parser.parseFromString(html, 'text/html');
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loadMore.remove();
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for (var item of doc.querySelectorAll(itemClass)) {
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if (item.className == "timeline-item show-more") continue;
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if (isDuplicate(item, itemClass)) continue;
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if (isTweet) container.appendChild(item);
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else insertBeforeLast(container, item);
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}
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loading = false;
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const newLoadMore = getLoadMore(doc);
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if (newLoadMore == null) return;
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if (isTweet) container.appendChild(newLoadMore);
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else insertBeforeLast(container, newLoadMore);
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}).catch(function (err) {
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console.warn('Something went wrong.', err);
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loading = true;
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});
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}
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});
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};
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// @license-end
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