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https://github.com/BookStackApp/BookStack.git
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Removed invalid comments, and formatted the code.
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@ -173,8 +173,6 @@ let setupPageShow = window.setupPageShow = function (pageId) {
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function addNavObserver(headings) {
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// Setup the intersection observer.
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// margin top = -35px to trigger the threshold change before the heading
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// has completely left the viewport on the top.
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let intersectOpts = {
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rootMargin: '0px 0px 0px 0px',
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threshold: 1.0
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@ -192,7 +190,7 @@ let setupPageShow = window.setupPageShow = function (pageId) {
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for (let i = 0; i !== entries.length; ++i) {
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let currentEntry = entries[i];
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let element = currentEntry.target;
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// check if its currently visible and its distance from top of viewport is less than 100
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// check if its currently visible
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if (currentEntry.intersectionRatio === 1) {
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highlightElement(element.id);
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} else {
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@ -202,7 +200,7 @@ let setupPageShow = window.setupPageShow = function (pageId) {
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}
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function highlightElement(elementId) {
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$pageNav.find('a[href="#' + elementId + '"]').addClass('current-heading');
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$pageNav.find('a[href="#' + elementId + '"]').addClass('current-heading');
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}
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function removeHighlight(elementId) {
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