Update app.js
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Mark Randall Havens △ The Empathic Technologist ⟁ Doctor Who 42
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commit
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1 changed files with 105 additions and 176 deletions
281
public/app.js
281
public/app.js
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@ -1,191 +1,120 @@
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// Elements
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let INDEX, CURRENT_PATH=null, PATH_TO_EL=new Map();
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const sidebar = document.getElementById("sidebar");
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const treeEl=document.getElementById("tree");
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const treeEl = document.getElementById("tree");
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const mdView=document.getElementById("mdView");
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const metaEl = document.getElementById("meta");
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const iframe=document.getElementById("htmlView");
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const mdView = document.getElementById("mdView");
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const metaLine=document.getElementById("meta");
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const htmlView = document.getElementById("htmlView");
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const sortSel=document.getElementById("sort");
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const errorBox = document.getElementById("errorBox");
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const filterSel=document.getElementById("filter");
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const sortSel = document.getElementById("sortSel");
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const searchBox=document.getElementById("search");
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const filterSel = document.getElementById("filterSel");
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const prevBtn=document.getElementById("prev");
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const searchBox = document.getElementById("searchBox");
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const nextBtn=document.getElementById("next");
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const navToggle = document.getElementById("navToggle");
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const backdrop = document.getElementById("backdrop");
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// State
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async function loadIndex(){
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let INDEX = null;
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const res=await fetch("/index.json",{cache:"no-store"});
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let CURRENT_PATH = null;
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INDEX=await res.json();
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let PATH_TO_EL = new Map();
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populateFilters();
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rebuildTree();
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// Drawer controls (mobile)
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window.addEventListener("popstate",()=>{const hp=location.hash.slice(2);if(hp)openPath(hp);});
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navToggle.addEventListener("click", () => sidebar.classList.toggle("open"));
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const init=location.hash.slice(2)||INDEX.flat.sort((a,b)=>b.mtime-a.mtime)[0].path;
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backdrop.addEventListener("click", () => sidebar.classList.remove("open"));
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openPath(init);
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}
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// -------- Boot --------
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function populateFilters(){
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window.addEventListener("DOMContentLoaded", async () => {
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const cats=new Set(INDEX.sections);
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await loadIndex();
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filterSel.innerHTML='<option value="all">All</option>';
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if (!INDEX) return;
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for(const c of cats){const o=document.createElement("option");o.value=c;o.textContent=c;filterSel.appendChild(o);}
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}
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sortSel.addEventListener("change", rebuildTree);
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function rebuildTree(){
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filterSel.addEventListener("change", rebuildTree);
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treeEl.innerHTML="";
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searchBox.addEventListener("input", rebuildTree);
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const filter=filterSel.value;
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const sort=sortSel.value;
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window.addEventListener("popstate", () => {
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const query=searchBox.value.toLowerCase();
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const hp = location.hash.startsWith("#=") ? location.hash.slice(2) : null;
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for(const dir of INDEX.tree){
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if (hp) openPath(hp, {push:false});
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if(filter!=="all"&&dir.name!==filter)continue;
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});
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treeEl.appendChild(renderNode(dir,sort,query));
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const initial = location.hash.startsWith("#=") ? location.hash.slice(2) : null;
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if (initial) openPath(initial, {push:false});
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else autoOpenLatest();
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});
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// -------- Data loading --------
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async function loadIndex() {
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try{
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const res = await fetch("index.json",{cache:"no-store"});
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INDEX = await res.json();
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rebuildTree();
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}catch(e){
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treeEl.innerHTML = "<p style='color:#ff7a7a'>index.json missing. run the build.</p>";
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}
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}
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}
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}
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function renderNode(node,sort,query){
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// -------- Tree building / sorting / filtering --------
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if(node.type==="dir"){
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function rebuildTree() {
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const div=document.createElement("div");
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if (!INDEX) return;
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div.className="dir";div.setAttribute("aria-expanded","false");
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PATH_TO_EL.clear();
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const lbl=document.createElement("span");
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treeEl.innerHTML = "";
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lbl.className="label";lbl.textContent=node.name;
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lbl.addEventListener("click",()=>{
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const sort = sortSel.value;
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const idx=node.children.find(c=>/^index\.(md|html)$/.test(c.name));
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const filter = filterSel.value;
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if(idx)openPath(idx.path);
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const query = searchBox.value.trim().toLowerCase();
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else div.classList.toggle("open");
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});
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const roots = INDEX.tree
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div.appendChild(lbl);
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.filter(d => filter==="all" || d.name===filter)
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const kids=document.createElement("div");kids.className="children";
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.map(d => deepClone(d));
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const sorted=[...node.children].sort((a,b)=>{
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if(sort==="name")return a.name.localeCompare(b.name);
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roots.forEach(r => {
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return sort==="old"?a.mtime-b.mtime:b.mtime-a.mtime;
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applySort(r, sort);
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});
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const filtered = applySearch(r, query);
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for(const c of sorted){
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if (filtered) treeEl.appendChild(renderNode(filtered));
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if(c.type==="file"){
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});
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if(query&&!c.title.toLowerCase().includes(query))continue;
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const a=document.createElement("a");
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// Auto-expand top dirs
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a.className="file";a.textContent=c.title;
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treeEl.querySelectorAll(".dir").forEach(d => d.classList.add("open"));
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a.addEventListener("click",e=>{e.preventDefault();openPath(c.path);});
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}
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PATH_TO_EL.set(c.path,a);
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kids.appendChild(a);
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function deepClone(obj){ return JSON.parse(JSON.stringify(obj)); }
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}else kids.appendChild(renderNode(c,sort,query));
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function getDate(n){ return n.mtime || 0; }
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}
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div.appendChild(kids);
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function applySort(dir, sort) {
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return div;
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if (dir.type !== "dir") return;
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const cmp =
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sort==="alpha" ? (a,b)=> (a.title||a.name).localeCompare(b.title||b.name) :
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sort==="old" ? (a,b)=> getDate(a)-getDate(b) :
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(a,b)=> getDate(b)-getDate(a);
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dir.children.sort((a,b)=>{
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if (a.type!==b.type){ return a.type==="dir" ? -1 : 1; } // dirs first
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return cmp(a,b);
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});
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dir.children.forEach(c => c.type==="dir" && applySort(c, sort));
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}
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function applySearch(node, q) {
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if (!q) return node;
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if (node.type==="file"){
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const t = (node.title||node.name).toLowerCase();
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return t.includes(q)? node : null;
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}
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}
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const kids = node.children.map(c=>applySearch(c,q)).filter(Boolean);
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return document.createTextNode("");
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if (!kids.length) return null;
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node.children = kids;
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return node;
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}
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}
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// Recursive renderer
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async function openPath(path){
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function renderNode(node){
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if(path===CURRENT_PATH)return;
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if (node.type==="dir"){
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CURRENT_PATH=path;
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const wrap = document.createElement("div");
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if(location.hash!==`#=${path}`)history.pushState(null,"",`#=${path}`);
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wrap.className = "dir";
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let f=INDEX.flat.find(x=>x.path===path);
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wrap.setAttribute("role","treeitem");
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if(!f){metaLine.textContent="Not found";return;}
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const lbl = document.createElement("div");
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metaLine.textContent=`${f.pinned?"📌 ":""}${new Date(f.mtime).toISOString().slice(0,10)} • ${f.name}`;
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lbl.className = "label";
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if(f.ext===".md")await renderMarkdown(f.path);
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lbl.textContent = node.name;
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else renderHTML(f.path);
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lbl.addEventListener("click", () => wrap.classList.toggle("open"));
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const kids = document.createElement("div");
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kids.className = "children";
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node.children.forEach(c => kids.appendChild(renderNode(c)));
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wrap.append(lbl, kids);
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return wrap;
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} else {
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const a = document.createElement("a");
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a.className = "file";
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a.setAttribute("role","treeitem");
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a.href = `#=${node.path}`;
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a.innerHTML = `${node.pinned?'<span class="pin">PIN</span> ':''}${escapeHtml(node.title||node.name)}`;
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a.addEventListener("click", e => { e.preventDefault(); openPath(node.path); });
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PATH_TO_EL.set(node.path, a);
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return a;
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}
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}
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function escapeHtml(s){ return s.replace(/[&<>"']/g,c=>({ "&":"&","<":"<",">":">","\"":""","'":"'" }[c])); }
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// -------- Opening / rendering files --------
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function autoOpenLatest(){
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if (!INDEX?.flat?.length) return;
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const latest = [...INDEX.flat].sort((a,b)=>getDate(b)-getDate(a))[0];
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if (latest) openPath(latest.path,{push:false});
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}
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async function openPath(path,{push=true}={}){
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if (!INDEX) return;
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if (path===CURRENT_PATH) return;
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const f = INDEX.flat.find(x=>x.path===path);
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if (!f){ showError("File not found."); return; }
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CURRENT_PATH = path;
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if (push && location.hash!==`#=${path}`) history.pushState(null,"",`#=${path}`);
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hideError();
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setActive(path);
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setActive(path);
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metaEl.textContent = `${f.pinned?"Pinned • ":""}${new Date(getDate(f)).toISOString().slice(0,10)} • ${f.title||f.name}`;
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updatePager();
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if(window.innerWidth<900)document.querySelector(".sidebar").classList.remove("open");
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if (f.ext === ".md") {
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await renderMarkdown(path);
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} else {
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renderHTML(path);
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}
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// close drawer on mobile
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if (window.innerWidth < 900) sidebar.classList.remove("open");
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}
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}
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async function renderMarkdown(path){
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async function renderMarkdown(path){
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htmlView.style.display="none";
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const res=await fetch(path);
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mdView.style.display="block";
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if(!res.ok){mdView.innerHTML="<p>File not found</p>";return;}
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try{
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const text=await res.text();
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const res = await fetch(path,{cache:"no-store"});
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const html=(window.marked?window.marked.parse(text):text);
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if (!res.ok) throw new Error(res.statusText);
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const safe=(window.DOMPurify?window.DOMPurify.sanitize(html):html);
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const txt = await res.text();
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mdView.innerHTML=safe;
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const html = window.DOMPurify?.sanitize(window.marked?.parse(txt) || txt) || txt;
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iframe.style.display="none";mdView.style.display="block";
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mdView.innerHTML = html;
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}catch(e){
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showError("Failed to load Markdown.");
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}
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}
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}
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function renderHTML(path){
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function renderHTML(path){
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mdView.style.display="none";
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iframe.src=path;
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htmlView.style.display="block";
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iframe.style.display="block";mdView.style.display="none";
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htmlView.src = path;
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}
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}
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function setActive(path){
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function setActive(path){
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document.querySelectorAll(".file.active").forEach(el=>el.classList.remove("active"));
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document.querySelectorAll(".file.active").forEach(el=>el.classList.remove("active"));
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const el = PATH_TO_EL.get(path);
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const el=PATH_TO_EL.get(path);
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if (el) el.classList.add("active");
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if(el){el.classList.add("active");let p=el.parentElement;while(p&&p!==treeEl){if(p.classList.contains("children"))p.parentElement.classList.add("open");p=p.parentElement;}}
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}
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}
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function updatePager(){
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function showError(msg){ errorBox.textContent = msg; errorBox.hidden = false; }
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const list=INDEX.flat.filter(f=>f.ext===".md"||f.ext===".html").sort((a,b)=>b.mtime-a.mtime);
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function hideError(){ errorBox.hidden = true; }
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const i=list.findIndex(x=>x.path===CURRENT_PATH);
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prevBtn.disabled=i<=0;nextBtn.disabled=i>=list.length-1;
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prevBtn.onclick=()=>{if(i>0)openPath(list[i-1].path);};
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nextBtn.onclick=()=>{if(i<list.length-1)openPath(list[i+1].path);};
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}
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let searchTimer;
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searchBox.addEventListener("input",()=>{clearTimeout(searchTimer);searchTimer=setTimeout(rebuildTree,300);});
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sortSel.addEventListener("change",rebuildTree);
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filterSel.addEventListener("change",rebuildTree);
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document.body.addEventListener("click",e=>{
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const a=e.target.closest("a[href]");
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if(!a)return;
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const href=a.getAttribute("href");
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if(href.startsWith("/")&&!href.startsWith("//")&&!a.target){
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e.preventDefault();
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openPath(href.replace(/^\//,""));
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}
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});
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window.addEventListener("DOMContentLoaded",loadIndex);
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