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---
version: 1
---
var NAV_INLINE_BREAKPOINT = 1100;
var landingHeaderBar = document.getElementById('landing-header-bar');
var headerLinks = document.getElementsByClassName('header-link');
if (landingHeaderBar) {
window.addEventListener('scroll', function() {
if (window.scrollY >= 100) {
landingHeaderBar.classList.add('scrolling-header');
for (var i = 0; i < headerLinks.length; i++) {
headerLinks[i].classList.add('scrolling-header-links');
}
} else {
landingHeaderBar.classList.remove('scrolling-header');
for (var i = 0; i < headerLinks.length; i++) {
headerLinks[i].classList.remove('scrolling-header-links');
}
}
});
}
var navtoggle = document.getElementById('docs-nav-toggle');
if (navtoggle) {
navtoggle.addEventListener('click', toggleNavigation);
}
function toggleNavigation() {
nav = document.getElementsByClassName('header')[0];
nav.classList.toggle('active');
}
// move document nav to sidebar
(function() {
var timeofday = document.getElementById('timeofday');
var tocList = document.querySelector('.js-article-content > ul#markdown-toc');
var main = document.querySelector('.js-main-wrapper');
// Set timeofday var depending on the time //
if (timeofday) {
var date = new Date();
var hour = date.getHours();
if (hour < 11) {
timeofday.innerHTML = 'morning';
}
if (hour >= 11 && hour < 16) {
timeofday.innerHTML = 'afternoon';
}
if (hour >= 16) {
timeofday.innerHTML = 'evening';
}
}
// if the document has a top level nav
if (tocList) {
// append to the sidebar
var sidebar = document.getElementById('doc-nav');
if (sidebar) {
// if there are items
if (tocList.children.length >= 1) {
var menu = tocList;
$(tocList).addClass('nav nav-pills flex-column');
$(tocList).find('ul').addClass('nav nav-pills flex-column');
$(tocList).find('a').addClass('nav-link');
// grab the h1's li anchor text
var title = document.createElement('h4');
title.innerHTML = 'On this page:';
// add the text as a title
menu.insertBefore(title, menu.children[0]);
var hasHelpSection = document.getElementById('help-and-feedback');
// Adds help section anchor to the ToC sidebar
if(hasHelpSection) {
var listItem = document.createElement('li');
var anchor = document.createElement('a');
var separator = document.createElement('hr');
anchor.className = 'nav-link';
anchor.innerHTML = 'Help and feedback';
anchor.setAttribute('href', '#help-and-feedback');
listItem.appendChild(anchor);
menu.insertBefore(separator, menu.children[menu.children.length]);
menu.insertBefore(listItem, menu.children[menu.children.length]);
}
sidebar.appendChild(menu);
var sidebarContent = sidebar.querySelector('ul');
var sidebarContentHeight = 0;
// remove whitespace between elements to prevent list spacing issues
sidebarContent.innerHTML = sidebarContent.innerHTML.replace(
new RegExp('>[s\r\n]+<', 'g'),
'><'
);
// When we scroll down to the bottom, we don't want the footer covering
// the TOC list (sticky behavior)
document.addEventListener(
'scroll',
function() {
// Wait a cycle for the dimensions to kick in
if (!sidebarContentHeight) {
sidebarContentHeight =
sidebarContent.getBoundingClientRect().height + 55;
}
var isTouchingBottom = false;
if (window.innerWidth >= NAV_INLINE_BREAKPOINT) {
isTouchingBottom =
window.scrollY + sidebarContentHeight >= main.offsetHeight;
}
if (isTouchingBottom) {
sidebarContent.style.top =
main.offsetHeight -
(window.scrollY + sidebarContentHeight) +
'px';
} else {
sidebarContent.style.top = '';
}
},
{ passive: true }
);
}
}
// main content has-toc
if (main && main.classList) {
main.classList.add('has-toc');
} else {
main.className += ' has-toc';
}
}
document.addEventListener('DOMContentLoaded', function() {
var globalNav = document.getElementById('global-nav');
var media = window.matchMedia('(max-width: 1099px)');
window.addEventListener('scroll', function(e) {
var isTouchingBottom = false;
if (!media.matches) {
isTouchingBottom =
window.scrollY + window.innerHeight >=
document.querySelector('.footer').offsetTop;
}
if (isTouchingBottom) {
globalNav.style.top =
main.offsetHeight -
(window.scrollY + globalNav.offsetHeight) +
80 +
'px';
} else {
globalNav.style.top = '';
}
});
if (media.matches) {
var el = document.getElementById('markdown-toc');
el.classList.add('collapse');
el.classList.add('out');
el.style.height = '34px';
el.previousElementSibling.classList.add('collapsed');
}
// Adds the ability to auto-scroll to the active item in the TOC
$(window).on('activate.bs.scrollspy', function() {
const isMobile = window.matchMedia('(max-width: 1099px)').matches;
if(isMobile) {
return;
}
const activeAnchors = document.querySelectorAll('#markdown-toc .nav-link.active');
if(activeAnchors.length) {
const sidebarAnchorOffset = 45;
const lastActiveAnchor = activeAnchors[activeAnchors.length -1];
const sidebar = document.getElementById('doc-nav');
// Takes the last active anchor in the tree and scrolls it into view.
lastActiveAnchor.scrollIntoView();
sidebar.scrollTop -= sidebarAnchorOffset;
}
});
});
})();
|
