| // Populate the sidebar |
| // |
| // This is a script, and not included directly in the page, to control the total size of the book. |
| // The TOC contains an entry for each page, so if each page includes a copy of the TOC, |
| // the total size of the page becomes O(n**2). |
| class MDBookSidebarScrollbox extends HTMLElement { |
| constructor() { |
| super(); |
| } |
| connectedCallback() { |
| this.innerHTML = '<ol class="chapter"><li class="chapter-item expanded "><a href="index.html"><strong aria-hidden="true">1.</strong> Introduction</a></li><li class="chapter-item expanded "><a href="issues.html"><strong aria-hidden="true">2.</strong> Issue Tracker</a></li><li class="chapter-item expanded "><a href="team.html"><strong aria-hidden="true">3.</strong> Cargo Team</a></li><li class="chapter-item expanded "><a href="process/index.html"><strong aria-hidden="true">4.</strong> Process</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="process/working-on-cargo.html"><strong aria-hidden="true">4.1.</strong> Working on Cargo</a></li><li class="chapter-item expanded "><a href="process/release.html"><strong aria-hidden="true">4.2.</strong> Release process</a></li><li class="chapter-item expanded "><a href="process/rfc.html"><strong aria-hidden="true">4.3.</strong> Writing an RFC</a></li><li class="chapter-item expanded "><a href="process/unstable.html"><strong aria-hidden="true">4.4.</strong> Unstable features</a></li><li class="chapter-item expanded "><a href="process/security.html"><strong aria-hidden="true">4.5.</strong> Security issues</a></li></ol></li><li class="chapter-item expanded "><a href="design.html"><strong aria-hidden="true">5.</strong> Design Principles</a></li><li class="chapter-item expanded "><a href="implementation/index.html"><strong aria-hidden="true">6.</strong> Implementing a Change</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="implementation/architecture.html"><strong aria-hidden="true">6.1.</strong> Architecture</a></li><li class="chapter-item expanded "><a href="implementation/packages.html"><strong aria-hidden="true">6.2.</strong> New packages</a></li><li class="chapter-item expanded "><a href="implementation/subcommands.html"><strong aria-hidden="true">6.3.</strong> New subcommands</a></li><li class="chapter-item expanded "><a href="implementation/schemas.html"><strong aria-hidden="true">6.4.</strong> Data Schemas</a></li><li class="chapter-item expanded "><a href="implementation/console.html"><strong aria-hidden="true">6.5.</strong> Console Output</a></li><li class="chapter-item expanded "><a href="implementation/filesystem.html"><strong aria-hidden="true">6.6.</strong> Filesystem</a></li><li class="chapter-item expanded "><a href="implementation/formatting.html"><strong aria-hidden="true">6.7.</strong> Formatting</a></li><li class="chapter-item expanded "><a href="implementation/debugging.html"><strong aria-hidden="true">6.8.</strong> Debugging</a></li></ol></li><li class="chapter-item expanded "><a href="tests/index.html"><strong aria-hidden="true">7.</strong> Tests</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="tests/running.html"><strong aria-hidden="true">7.1.</strong> Running Tests</a></li><li class="chapter-item expanded "><a href="tests/writing.html"><strong aria-hidden="true">7.2.</strong> Writing Tests</a></li><li class="chapter-item expanded "><a href="tests/profiling.html"><strong aria-hidden="true">7.3.</strong> Benchmarking and Profiling</a></li><li class="chapter-item expanded "><a href="tests/crater.html"><strong aria-hidden="true">7.4.</strong> Crater</a></li></ol></li></ol>'; |
| // Set the current, active page, and reveal it if it's hidden |
| let current_page = document.location.href.toString().split("#")[0]; |
| if (current_page.endsWith("/")) { |
| current_page += "index.html"; |
| } |
| var links = Array.prototype.slice.call(this.querySelectorAll("a")); |
| var l = links.length; |
| for (var i = 0; i < l; ++i) { |
| var link = links[i]; |
| var href = link.getAttribute("href"); |
| if (href && !href.startsWith("#") && !/^(?:[a-z+]+:)?\/\//.test(href)) { |
| link.href = path_to_root + href; |
| } |
| // The "index" page is supposed to alias the first chapter in the book. |
| if (link.href === current_page || (i === 0 && path_to_root === "" && current_page.endsWith("/index.html"))) { |
| link.classList.add("active"); |
| var parent = link.parentElement; |
| if (parent && parent.classList.contains("chapter-item")) { |
| parent.classList.add("expanded"); |
| } |
| while (parent) { |
| if (parent.tagName === "LI" && parent.previousElementSibling) { |
| if (parent.previousElementSibling.classList.contains("chapter-item")) { |
| parent.previousElementSibling.classList.add("expanded"); |
| } |
| } |
| parent = parent.parentElement; |
| } |
| } |
| } |
| // Track and set sidebar scroll position |
| this.addEventListener('click', function(e) { |
| if (e.target.tagName === 'A') { |
| sessionStorage.setItem('sidebar-scroll', this.scrollTop); |
| } |
| }, { passive: true }); |
| var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll'); |
| sessionStorage.removeItem('sidebar-scroll'); |
| if (sidebarScrollTop) { |
| // preserve sidebar scroll position when navigating via links within sidebar |
| this.scrollTop = sidebarScrollTop; |
| } else { |
| // scroll sidebar to current active section when navigating via "next/previous chapter" buttons |
| var activeSection = document.querySelector('#sidebar .active'); |
| if (activeSection) { |
| activeSection.scrollIntoView({ block: 'center' }); |
| } |
| } |
| // Toggle buttons |
| var sidebarAnchorToggles = document.querySelectorAll('#sidebar a.toggle'); |
| function toggleSection(ev) { |
| ev.currentTarget.parentElement.classList.toggle('expanded'); |
| } |
| Array.from(sidebarAnchorToggles).forEach(function (el) { |
| el.addEventListener('click', toggleSection); |
| }); |
| } |
| } |
| window.customElements.define("mdbook-sidebar-scrollbox", MDBookSidebarScrollbox); |
