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mirror of https://github.com/twbs/bootstrap.git synced 2024-12-12 00:08:59 +01:00
Bootstrap/site/assets/js/application.js
2023-01-01 16:30:53 -08:00

30 lines
1.1 KiB
JavaScript

// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
// IT'S ALL JUST JUNK FOR OUR DOCS!
// ++++++++++++++++++++++++++++++++++++++++++
/*!
* JavaScript for Bootstrap's docs (https://getbootstrap.com/)
* Copyright 2011-2023 The Bootstrap Authors
* Licensed under the Creative Commons Attribution 3.0 Unported License.
* For details, see https://creativecommons.org/licenses/by/3.0/.
*/
(() => {
'use strict'
// Scroll the active sidebar link into view
const sidenav = document.querySelector('.bd-sidebar')
if (sidenav) {
const sidenavHeight = sidenav.clientHeight
const sidenavActiveLink = document.querySelector('.bd-links-nav .active')
const sidenavActiveLinkTop = sidenavActiveLink.offsetTop
const sidenavActiveLinkHeight = sidenavActiveLink.clientHeight
const viewportTop = sidenavActiveLinkTop
const viewportBottom = viewportTop - sidenavHeight + sidenavActiveLinkHeight
if (sidenav.scrollTop > viewportTop || sidenav.scrollTop < viewportBottom) {
sidenav.scrollTop = viewportTop - (sidenavHeight / 2) + (sidenavActiveLinkHeight / 2)
}
}
})()