Update app.js

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Mark Randall Havens △ The Empathic Technologist ⟁ Doctor Who 42 2025-11-08 15:26:01 -06:00 committed by GitHub
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@ -1,243 +1,105 @@
/* global marked, DOMPurify */
const $ = (s, r=document) => r.querySelector(s);
const $$ = (s, r=document) => [...r.querySelectorAll(s)];
const els = { const els = {
body: document.body, body: document.body,
sidebar: $("#sidebar"), menuBtn: document.getElementById("menuBtn"),
content: $("#content"), sectionSelect: document.getElementById("sectionSelect"),
viewer: $("#viewer"), sortSelect: document.getElementById("sortSelect"),
tree: $("#tree"), searchBox: document.getElementById("searchBox"),
navToggle: $("#navToggle"), postList: document.getElementById("postList"),
filterSection: $("#filterSection"), viewer: document.getElementById("viewer"),
sortOrder: $("#sortOrder"), content: document.getElementById("content")
searchBox: $("#searchBox"),
}; };
const state = { let indexData = null;
index: null, let state = { section: "posts", sort: "newest", query: "", sidebarOpen: false };
section: "all",
sort: "newest",
q: "",
sidebarOpen: false,
desktopCollapsed: false
};
init();
async function init(){ async function init(){
const ok = await waitForLibs(3000); indexData = await (await fetch("index.json")).json();
if (!ok){ populateSections();
els.viewer.innerHTML = `<p style="color:#f66">Markdown renderer failed to load. Check /lib/marked.min.js and /lib/purify.min.js.</p>`; wireUI();
return; renderList();
} handleHash();
window.addEventListener("hashchange", handleHash);
try { state.desktopCollapsed = localStorage.getItem("desktopCollapsed")==="1"; } catch {}
wireToggles();
onResizeMode();
try{
const res = await fetch("/index.json", { cache:"no-cache" });
if (!res.ok) throw new Error(res.status);
state.index = await res.json();
}catch(e){
console.error("index.json load failed", e);
els.viewer.innerHTML = `<p style="color:#f66">Could not load index.json</p>`;
return;
}
buildFilters();
renderTree();
window.addEventListener("hashchange", onRoute);
onRoute();
} }
/* ---------- Lib readiness ---------- */ function populateSections(){
function waitForLibs(timeoutMs=3000){ els.sectionSelect.innerHTML = "";
const start = performance.now(); indexData.sections.forEach(s=>{
return new Promise(resolve=>{ const opt = document.createElement("option");
(function tick(){ opt.value = s; opt.textContent = s;
const ready = !!(window.marked && window.DOMPurify); els.sectionSelect.appendChild(opt);
if (ready) return resolve(true);
if (performance.now() - start > timeoutMs) return resolve(false);
setTimeout(tick, 60);
})();
}); });
} }
/* ---------- UI wiring ---------- */ function wireUI(){
function wireToggles(){ els.menuBtn.addEventListener("click", ()=>{
els.navToggle.addEventListener("click", ()=>{ state.sidebarOpen = !state.sidebarOpen;
const desktop = window.matchMedia("(min-width:1025px)").matches; document.body.classList.toggle("sidebar-open", state.sidebarOpen);
if (desktop){
state.desktopCollapsed = !els.body.classList.contains("sidebar-collapsed");
els.body.classList.toggle("sidebar-collapsed");
try{ localStorage.setItem("desktopCollapsed", state.desktopCollapsed ? "1":"0"); }catch{}
}else{
state.sidebarOpen = !els.body.classList.contains("sidebar-open");
els.body.classList.toggle("sidebar-open");
}
}); });
els.sectionSelect.addEventListener("change", ()=>renderList());
window.addEventListener("resize", onResizeMode); els.sortSelect.addEventListener("change", ()=>renderList());
} els.searchBox.addEventListener("input", ()=>renderList());
els.content.addEventListener("click", ()=>{
function onResizeMode(){ if (window.matchMedia("(max-width:1024px)").matches && document.body.classList.contains("sidebar-open")){
const desktop = window.matchMedia("(min-width:1025px)").matches; document.body.classList.remove("sidebar-open");
if (desktop){
els.body.classList.remove("sidebar-open");
els.body.classList.toggle("sidebar-collapsed", state.desktopCollapsed);
} else {
els.body.classList.remove("sidebar-collapsed");
if (!state.sidebarOpen) els.body.classList.remove("sidebar-open");
}
}
function buildFilters(){
const sections = ["all", ...(state.index?.sections ?? [])];
els.filterSection.innerHTML = sections.map(s=>`<option value="${s}">${cap(s)}</option>`).join("");
els.filterSection.value = state.section;
els.filterSection.addEventListener("change", e=>{
state.section = e.target.value;
renderTree();
});
els.sortOrder.value = state.sort;
els.sortOrder.addEventListener("change", e=>{
state.sort = e.target.value;
renderTree();
});
els.searchBox.addEventListener("input", e=>{
state.q = e.target.value.trim().toLowerCase();
renderTree();
});
}
/* ---------- Tree ---------- */
function renderTree(){
if (!state.index) return;
const items = state.index.flat.slice();
const filtered = items.filter(f=>{
const inSection = state.section==="all" || f.path.startsWith(state.section + "/");
const inQuery = !state.q || f.title.toLowerCase().includes(state.q) || f.name.toLowerCase().includes(state.q);
return inSection && inQuery;
});
filtered.sort((a,b)=>{
if (state.sort==="title") return a.title.localeCompare(b.title, undefined, {sensitivity:"base"});
if (state.sort==="oldest") return (a.mtime??0) - (b.mtime??0);
return (b.mtime??0) - (a.mtime??0);
});
els.tree.innerHTML = filtered.map(f=>{
const d = new Date(f.mtime || Date.now());
const meta = `${d.toISOString().slice(0,10)}${f.name}`;
return `<a href="#=${encodeURIComponent(f.path)}" data-path="${f.path}">
<div class="title">${esc(f.title)}</div>
<div class="meta">${meta}</div>
</a>`;
}).join("");
els.tree.addEventListener("click", (evt)=>{
if (!evt.target.closest("a[data-path]")) return;
if (!window.matchMedia("(min-width:1025px)").matches){
els.body.classList.remove("sidebar-open");
state.sidebarOpen = false; state.sidebarOpen = false;
} }
}, { once:true }); });
} }
/* ---------- Routing & Rendering ---------- */ function renderList(){
function onRoute(){ const section = els.sectionSelect.value;
const hash = location.hash || "#/"; const sort = els.sortSelect.value;
const sectionMatch = hash.match(/^#\/(essays|fieldnotes|posts)\/?$/i); const query = els.searchBox.value.toLowerCase();
if (sectionMatch){
state.section = sectionMatch[1].toLowerCase(); let posts = indexData.flat.filter(p=>p.path.startsWith(section));
els.filterSection.value = state.section; if (query) posts = posts.filter(p=>p.title.toLowerCase().includes(query));
renderTree(); posts.sort((a,b)=> sort==="newest"? b.mtime-a.mtime : a.mtime-b.mtime);
els.viewer.innerHTML = `<div class="empty"><h1>${cap(state.section)}</h1><p>Select a note on the left.</p></div>`;
return; els.postList.innerHTML = "";
for (const p of posts){
const li = document.createElement("li");
li.innerHTML = `<a href="#/${p.path}">${p.title}</a><br><small>${new Date(p.mtime).toISOString().split("T")[0]}</small>`;
els.postList.appendChild(li);
} }
}
const [, rawPath=""] = hash.split("#="); async function handleHash(){
const rel = decodeURIComponent(rawPath); const rel = location.hash.replace(/^#\//,"");
if (!rel) return renderDefault();
if (!rel){ const file = indexData.flat.find(f=>f.path===rel);
els.viewer.innerHTML = `<div class="empty"><h1>The Fold Within</h1><p>Select a note on the left.</p></div>`; if (!file) return;
return; file.ext===".md"? await renderMarkdown(file.path) : renderHTML(file.path);
}
if (rel.includes("..")){ els.viewer.textContent = "Invalid path."; return; }
const ext = rel.split(".").pop().toLowerCase();
if (ext==="md") return renderMarkdown(rel);
if (ext==="html") return renderHTML(rel);
renderMarkdown(rel).catch(()=>renderHTML(rel));
} }
async function renderMarkdown(rel){ async function renderMarkdown(rel){
const res = await fetch("/" + rel, { cache:"no-cache" }); const src = await fetch(rel).then(r=>r.text());
if (!res.ok) throw new Error("not found"); const html = marked.parse(src);
const text = await res.text(); els.viewer.innerHTML = `<article>${html}</article>`;
const html = window.marked.parse(text, { mangle:false, headerIds:true });
const safe = window.DOMPurify.sanitize(html);
els.viewer.innerHTML = safe;
els.viewer.scrollIntoView({ block:"start", behavior:"instant" });
} }
async function renderHTML(rel){ function renderHTML(rel){
const iframe = document.createElement("iframe"); const iframe = document.createElement("iframe");
iframe.setAttribute("sandbox","allow-same-origin allow-scripts allow-forms"); iframe.setAttribute("sandbox","allow-same-origin allow-scripts allow-forms");
iframe.style.width = "100%";
iframe.style.border = "0";
iframe.style.margin = "0";
iframe.loading = "eager"; iframe.loading = "eager";
iframe.src = "/" + rel;
els.viewer.innerHTML = ""; els.viewer.innerHTML = "";
els.viewer.appendChild(iframe); els.viewer.appendChild(iframe);
iframe.src = "/" + rel;
const size = ()=>{
try{
const d = iframe.contentDocument || iframe.contentWindow.document;
const h = Math.max(d.body.scrollHeight, d.documentElement.scrollHeight);
iframe.style.height = h + "px";
}catch{}
};
iframe.addEventListener("load", ()=>{ iframe.addEventListener("load", ()=>{
try{ try{
const d = iframe.contentDocument || iframe.contentWindow.document; const d = iframe.contentDocument || iframe.contentWindow.document;
// 🔒 Reset default UA margins so content sits flush like Markdown
const s = d.createElement("style"); const s = d.createElement("style");
s.textContent = ` s.textContent = `
html,body{margin:0;padding:0;background:transparent} html,body{margin:0;padding:0;background:transparent;color:#e6e3d7;font:16px/1.6 Inter,ui-sans-serif;}
body>*:first-child{margin-top:0} main,article,section{max-width:720px;margin:auto;padding:2rem;}
`; `;
d.head.appendChild(s); d.head.appendChild(s);
// Track dynamic growth
try{
const ro = new ResizeObserver(size);
ro.observe(d.documentElement);
ro.observe(d.body);
}catch{}
}catch{} }catch{}
size();
setTimeout(size, 250);
setTimeout(size, 800);
}); });
} }
/* ---------- Utils ---------- */ function renderDefault(){
const cap = s => s.charAt(0).toUpperCase() + s.slice(1); const latest = [...indexData.flat].sort((a,b)=>b.mtime-a.mtime)[0];
const esc = s => s.replace(/[&<>"']/g, m => ({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[m])); if (latest) location.hash = "#/" + latest.path;
}
init();