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31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
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// IT'S ALL JUST JUNK FOR OUR DOCS!
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// ++++++++++++++++++++++++++++++++++++++++++
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/*!
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* JavaScript for Bootstrap's docs (https://getbootstrap.com/)
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* Copyright 2011-2022 The Bootstrap Authors
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* Copyright 2011-2022 Twitter, Inc.
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* Licensed under the Creative Commons Attribution 3.0 Unported License.
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* For details, see https://creativecommons.org/licenses/by/3.0/.
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*/
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(() => {
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'use strict'
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// Scroll the active sidebar link into view
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const sidenav = document.querySelector('.bd-sidebar')
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if (sidenav) {
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const sidenavHeight = sidenav.clientHeight
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const sidenavActiveLink = document.querySelector('.bd-links-nav .active')
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const sidenavActiveLinkTop = sidenavActiveLink.offsetTop
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const sidenavActiveLinkHeight = sidenavActiveLink.clientHeight
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const viewportTop = sidenavActiveLinkTop
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const viewportBottom = viewportTop - sidenavHeight + sidenavActiveLinkHeight
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if (sidenav.scrollTop > viewportTop || sidenav.scrollTop < viewportBottom) {
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sidenav.scrollTop = viewportTop - (sidenavHeight / 2) + (sidenavActiveLinkHeight / 2)
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}
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}
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})()
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