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Fix scrollheight calculation bug (#4279) [ci skip]

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Colby Melvin 2019-10-18 15:41:24 -05:00 • committed by Mac Siri
parent ccb64e7f25
commit fca98d952d
1 changed files with 28 additions and 11 deletions
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39
app/assets/javascripts/initializers/initScrolling.js.erb
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@ -24,21 +24,38 @@ function checkIfNearBottomOfPage() {
}
function fetchNextPageIfNearBottom() {
var elCheck = document.getElementById("index-container") && !document.getElementById("query-wrapper");
var indexContainer = document.getElementById("index-container");
var elCheck = indexContainer && !document.getElementById("query-wrapper");
if (!elCheck) {
return;
}
if ( !done && !fetching && (window.scrollY) > (document.documentElement.scrollHeight - 3700) ) {
var indexWhich = indexContainer.dataset.which;
var fetchCallback;
var scrollableElemId;
if (indexWhich == "podcast-episodes") {
scrollableElemId = "articles-list";
fetchCallback = function() {
fetchNextPodcastPage(indexContainer);
};
} else if (indexWhich == "videos") {
scrollableElemId = "video-collection";
fetchCallback = function() {
fetchNextVideoPage(indexContainer);
};
} else {
scrollableElemId = "articles-list";
fetchCallback = function() {
algoliaPaginate(indexContainer.dataset.algoliaTag);
};
}
var scrollableElem = document.getElementById(scrollableElemId);
if ( !done && !fetching && (window.scrollY) > (scrollableElem.scrollHeight - 3700) ) {
fetching = true;
var el = document.getElementById("index-container");
var indexWhich = el.dataset.which;
if (indexWhich == "podcast-episodes") {
fetchNextPodcastPage(el);
} else if (indexWhich == "videos") {
fetchNextVideoPage(el)
} else {
algoliaPaginate(el.dataset.algoliaTag);
}
fetchCallback();
}
}