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1 line
3.7 KiB
JavaScript
1 line
3.7 KiB
JavaScript
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"use strict";(function(){const rootPath=getVar("root-path");const NAME_OFFSET=0;const DIRS_OFFSET=1;const FILES_OFFSET=2;const RUSTDOC_MOBILE_BREAKPOINT=700;function closeSidebarIfMobile(){if(window.innerWidth<RUSTDOC_MOBILE_BREAKPOINT){updateLocalStorage("source-sidebar-show","false")}}function createDirEntry(elem,parent,fullPath,hasFoundFile){const dirEntry=document.createElement("details");const summary=document.createElement("summary");dirEntry.className="dir-entry";fullPath+=elem[NAME_OFFSET]+"/";summary.innerText=elem[NAME_OFFSET];dirEntry.appendChild(summary);const folders=document.createElement("div");folders.className="folders";if(elem[DIRS_OFFSET]){for(const dir of elem[DIRS_OFFSET]){if(createDirEntry(dir,folders,fullPath,false)){dirEntry.open=true;hasFoundFile=true}}}dirEntry.appendChild(folders);const files=document.createElement("div");files.className="files";if(elem[FILES_OFFSET]){const w=window.location.href.split("#")[0];for(const file_text of elem[FILES_OFFSET]){const file=document.createElement("a");file.innerText=file_text;file.href=rootPath+"src/"+fullPath+file_text+".html";file.addEventListener("click",closeSidebarIfMobile);if(!hasFoundFile&&w===file.href){file.className="selected";dirEntry.open=true;hasFoundFile=true}files.appendChild(file)}}dirEntry.appendChild(files);parent.appendChild(dirEntry);return hasFoundFile}window.rustdocCloseSourceSidebar=()=>{removeClass(document.documentElement,"src-sidebar-expanded");updateLocalStorage("source-sidebar-show","false")};window.rustdocShowSourceSidebar=()=>{addClass(document.documentElement,"src-sidebar-expanded");updateLocalStorage("source-sidebar-show","true")};window.rustdocToggleSrcSidebar=()=>{if(document.documentElement.classList.contains("src-sidebar-expanded")){window.rustdocCloseSourceSidebar()}else{window.rustdocShowSourceSidebar()}};function createSrcSidebar(){const container=document.querySelector("nav.sidebar");const sidebar=document.createElement("div");sidebar.id="src-sidebar";let hasFoundFile=false;for(const[key,source]of srcIndex){source[NAME_OFFSET]=key;hasFoundFile=createDirEntry(source,sidebar,"",hasFoundFile)}container.appendChild(sidebar);const selected_elem=sidebar.getElementsByClassName("selected")[0];if(typeof selected_elem!=="undefined"){selected_elem.focus()}}function highlightSrcLines(){const match=window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);if(!match){return}let from=parseInt(match[1],10);let to=from;if(typeof match[2]!=="undefined"){to=parseInt(match[2],10)}if(to<from){const tmp=to;to=from;from=tmp}let elem=document.getElementById(from);if(!elem){return}const x=document.getElementById(from);if(x){x.scrollIntoView()}onEachLazy(document.getElementsByClassName("src-line-numbers"),e=>{onEachLazy(e.getElementsByTagName("a"),i_e=>{removeClass(i_e,"line-highlighted")})});for(let i=from;i<=to;++i){elem=document.getElementById(i);if(!elem){break}addClass(elem,"line-highlighted")}}const handleSrcHighlight=(function(){let prev_line_id=0;const set_fragment=name=>{const x=window.scrollX,y=window.scrollY;if(browserSupportsHistoryApi()){history.replaceState(null,null,"#"+name);highlightSrcLines()}else{location.replace("#"+name)}window.scrollTo(x,y)};return ev=>{let cur_line_id=parseInt(ev.target.id,10);if(isNaN(cur_line_id)||ev.ctrlKey||ev.altKey||ev.metaKey){return}ev.preventDefault();if(ev.shiftKey&&prev_line_id){if(prev_line_id>cur_line_id){const tmp=prev_line_id;prev_line_id=cur_line_id;cur_line_id=tmp}set_fragment(prev_line_id+"-"+cur_line_id)}else{prev_line_id=cur_line_id;set_fragment(cur_line_id)}}}());window.addEventListener("hashchange",highlightSrcLines);onEachLazy(document.getElementsByClassName("src-line-numbers"),el=>{el.addEventListener("click",handleSrcHighlight)});highlightSrcLines();window.createSrcSidebar=createSrcSidebar})()
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