atagen

jelq

public

an http based roguelike rpg about jelqing

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ssh://brewery@pls.lobotomise.me:33/atagen/jelq.git
src/ui.htmlHtml498 lines19.0 KB
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>jelqd</title>
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<style>
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.frame { border: 2px inset; background: #fff; height: 85vh; overflow: scroll; padding: 4px; }
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#log { white-space: pre-wrap; margin: 0; }
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pre, li, p, td, label { overflow-wrap: anywhere; }
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</style>
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</head>
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<body>
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<h1>jelqd</h1>
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<p>A roguelike played over HTTP.</p>
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<p>Pick a resource, pick a method, send it.<br>The log on the right is everything the server has said to you.</p>
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<p>Language <select id="locale"><option>en-GB</option><option>en-US</option><option>en-AU</option></select></p>
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<table width="100%" cellspacing="6">
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<tr>
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<td width="45%" valign="top">
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<div class="frame">
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<div id="alerts"></div>
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<form id="form">
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<h3>Method</h3>
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<div id="methods"></div>
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<datalist id="excuses"></datalist>
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<h3>Request</h3>
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<table id="fields" cellpadding="2"></table>
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<p><input type="submit" id="send" value="Send" style="font-size: 1.3em"></p>
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<h3>Stats</h3>
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<table id="stats" border="1" cellspacing="0" cellpadding="3"></table>
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<h3>Resource</h3>
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<div id="targets"></div>
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</form>
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<p><small>Every request goes through <code>/ui/send</code>, which replays it inside the server, so the page can show redirects and send methods and headers that browsers refuse.</small></p>
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</div>
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</td>
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<td valign="top">
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<div class="frame" id="frame"><pre id="log"></pre></div>
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</td>
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</tr>
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</table>
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<script>
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const REL = "https://jelq.dev/rels/";
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const METHODS = ["JELQ", "HOLD", "GET", "HEAD", "POST", "PUT", "DELETE", "OPTIONS", "TRACE"];
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const ALL_LUBES = ["", "application/baby-oil", "application/coconut-oil", "application/lotion", "application/vaseline", "text/plain; charset=spit", "image/jpeg"];
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const DEATHS = ["ruptured", "caught", "opened", "banned", "degloved", "zip", "watermelon", "overstayed", "run-ended"];
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let stocked = null;
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let excuses = [];
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let nonce = null;
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let inventorySeq = 0;
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const STATS = [
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  ["x-floor", "Floor"],
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  ["x-self-reported-length", "Self-reported length"],
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  ["x-girth", "Girth"],
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  ["x-foreskin", "Foreskin"],
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  ["x-friction", "Friction"],
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  ["x-eq", "EQ"],
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  ["x-stamina", "Stamina"],
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  ["x-suspicion", "Suspicion"],
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  ["x-shame", "Shame"],
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  ["x-cash", "Cash"],
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];
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const MEASURED = ["x-length", "Length"];
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const GROWTH = new Set(["x-length", "x-self-reported-length", "x-girth", "x-foreskin"]);
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let lastStats = {};
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const QUIET = new Set(["link", "set-cookie", "server", "x-powered-by", "cache-control", "content-length", "content-type", "date"].concat(STATS.map(s => s[0]), MEASURED[0]));
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const FIELDS = {
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  seed: { label: "seed (unranked)", kind: "text" },
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  technique: { label: "technique", kind: "select" },
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  also: { label: "combo with", kind: "select" },
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  intensity: { label: "intensity, 1 to 10", kind: "number", value: "5" },
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  lube: { label: "Content-Type", header: "Content-Type", kind: "select" },
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  range: { label: "Range", header: "Range", kind: "text", placeholder: "inches=0-2" },
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  ifMatch: { label: "If-Match", header: "If-Match", kind: "text" },
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  ifNoneMatch: { label: "If-None-Match", header: "If-None-Match", kind: "text" },
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  ifModifiedSince: { label: "If-Modified-Since", header: "If-Modified-Since", kind: "text", placeholder: "an HTTP-date" },
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  proxy: { label: "Proxy-Authorization", header: "Proxy-Authorization", kind: "text", placeholder: "Ruler 5.4" },
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  upgrade: { label: "Upgrade", header: "Upgrade", kind: "select", options: ["", "underhand", "overhand"] },
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  authorization: { label: "Authorization", header: "Authorization", kind: "text", placeholder: 'Excuse "homework"' },
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  extra: { label: "other headers, one per line", kind: "textarea", placeholder: "Expect: gains" },
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};
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const BY_TARGET = {
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  "runs POST": ["seed"],
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  "length GET": ["range"],
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  "length HEAD": ["range"],
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  "foreskin DELETE": ["ifMatch"],
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  "elder GET": ["proxy", "ifModifiedSince"],
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  "grip GET": ["upgrade"],
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  "diagnosis GET": ["authorization", "ifNoneMatch"],
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};
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const GROUPS = [
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  ["play", "Play"],
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  ["shop", "Shop"],
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  ["you", "You"],
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  ["said", "From the last response"],
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  ["reading", "Reading"],
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  ["meta", "Meta"],
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];
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const GROUP_OF = { run: "play", floor: "play", drawer: "play", shop: "play", "shop-item": "shop", kitchen: "play", portal: "play", elder: "play", diagnosis: "play", length: "you", foreskin: "you", grip: "you", inventory: "you", footage: "you", techniques: "reading", thread: "reading" };
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const NAMES = { run: "the run", thread: "the 2009 forum thread" };
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const GLOBALS = [
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  { key: "runs", group: "play", name: "start a new run", path: "/runs", methods: ["POST"] },
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  { key: "global", group: "meta", name: "leaderboard", path: "/leaderboard", methods: ["GET", "HEAD", "OPTIONS"] },
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  { key: "global", group: "meta", name: "graveyard", path: "/graveyard", methods: ["GET", "HEAD", "OPTIONS"] },
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];
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let run = null;
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let linked = [];
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let techniques = [];
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let offered = [];
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let challenged = false;
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const etags = {};
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let target = "/runs";
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let method = "POST";
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const values = {};
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const $ = id => document.getElementById(id);
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function short(path) {
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  return path.replace(/[0-9a-f]{32}/, id => id.slice(0, 6) + "…");
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}
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function el(tag, props, ...children) {
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  const node = Object.assign(document.createElement(tag), props || {});
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  for (const child of children) node.append(child);
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  return node;
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}
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function titled(text) {
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  return text.charAt(0).toUpperCase() + text.slice(1);
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}
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function technique(name) {
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  return techniques.find(t => t.name === name);
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}
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function clashes(a, b) {
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  const rules = [a.lubricant, b.lubricant];
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  return rules.includes("required") && rules.includes("forbidden");
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}
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// The options a field can take right now, or null for free text.
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function options(name) {
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  if (name === "technique") return techniques.map(t => t.name);
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  if (name === "also") {
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    const first = technique(fieldValue("technique"));
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    if (!first || !first.intensity) return [""];
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    const partners = techniques.filter(t => t.intensity && t.name !== first.name && !clashes(first, t));
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    return [""].concat(partners.map(t => t.name));
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  }
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  if (name === "lube") {
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    const lubes = stocked === null ? ALL_LUBES : ALL_LUBES.filter(l => l === "" || l.includes("/") && !l.startsWith("application/") || stocked.includes(l.replace("application/", "")));
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    return lubeRule() === "required" ? lubes.filter(Boolean) : lubes;
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  }
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  return FIELDS[name].options || null;
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}
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function raw(name) {
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  return values[name] ?? FIELDS[name].value ?? "";
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}
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function fieldValue(name) {
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  const allowed = options(name);
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  const value = raw(name);
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  if (allowed && !allowed.includes(value)) return allowed[0] ?? "";
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  return value;
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}
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function lubeRule() {
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  const picked = [technique(fieldValue("technique")), technique(fieldValue("also"))].filter(Boolean);
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  if (!picked.some(t => t.lubricant)) return "none";
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  for (const rule of ["forbidden", "required"]) {
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    if (picked.some(t => t.lubricant === rule)) return rule;
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  }
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  return "optional";
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}
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function allowedMethods(t) {
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  return t.key === "run" && !techniques.length ? t.methods.filter(m => m !== "JELQ") : t.methods;
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}
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function targets() {
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  const listed = run ? linked : [];
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  const known = new Set(listed.concat(GLOBALS).map(t => t.path));
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  const fresh = offered.filter((t, i) => !known.has(t.path) && offered.findIndex(o => o.path === t.path) === i);
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  return listed.concat(fresh, GLOBALS);
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}
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function current() {
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  return targets().find(t => t.path === target) || GLOBALS[0];
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}
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function chooseTarget(t) {
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  const allowed = allowedMethods(t);
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  target = t.path;
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  method = allowed.includes("JELQ") ? "JELQ" : allowed.find(m => m !== "HEAD" && m !== "OPTIONS") || allowed[0];
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  render();
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}
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function renderStats(headers) {
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  const table = $("stats");
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  table.replaceChildren();
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  const stats = STATS.map(s => s[0] === "x-self-reported-length" && headers && MEASURED[0] in headers ? MEASURED : s);
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  for (let i = 0; i < stats.length; i += 2) {
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    const row = el("tr");
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    for (const [name, label] of stats.slice(i, i + 2)) {
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      const value = headers ? headers[name] : undefined;
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      const delta = GROWTH.has(name) ? parseFloat(value) - parseFloat(lastStats[name]) : NaN;
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      const shown = value === undefined ? "—" : value + (Math.abs(delta) >= 0.005 ? " (" + (delta > 0 ? "+" : "") + delta.toFixed(2) + ")" : "");
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      row.append(el("th", { align: "left", textContent: label }), el("td", { textContent: shown }));
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    }
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    table.append(row);
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  }
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  lastStats = headers || {};
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}
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function renderAlerts(list) {
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  const box = $("alerts");
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  box.replaceChildren();
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  const alerts = [];
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  for (const [name, value] of list || []) {
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    if (name === "via") alerts.push(titled(value.split(" ").pop()) + " is at the door.");
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    if (name === "x-observed-by") alerts.push((value === "cat" ? "The cat" : titled(value)) + " is watching.");
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    if (name === "warning") {
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      const text = (value.match(/"([^"]*)"/) || [, value])[1];
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      alerts.push(titled(text) + (/[.!?]$/.test(text) ? "" : "."));
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    }
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  }
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  const stamina = (list || []).find(([name]) => name === "x-stamina");
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  if (stamina && stamina[1].startsWith("0/")) alerts.push("Exhausted. HOLD for the refractory period.");
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  for (const alert of alerts) box.append(el("h2", { textContent: alert }));
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}
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function renderTargets() {
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  const box = $("targets");
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  box.replaceChildren();
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  const all = targets();
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  for (const [group, title] of GROUPS) {
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    const members = all.filter(t => t.group === group);
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    if (!members.length) continue;
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    box.append(el("h4", { textContent: title }));
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    for (const t of members) {
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      const radio = el("input", { type: "radio", name: "target", checked: t.path === target, onchange: () => chooseTarget(t) });
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      box.append(el("label", {}, radio, " " + t.name + " ", el("small", { textContent: short(t.path) })), el("br"));
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    }
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  }
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}
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function renderMethods() {
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  const box = $("methods");
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  box.replaceChildren();
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  const allowed = allowedMethods(current());
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  for (const m of METHODS.filter(m => allowed.includes(m))) {
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    const radio = el("input", { type: "radio", name: "method", checked: m === method, onchange: () => { method = m; render(); } });
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    const label = el("label", {}, radio, " ");
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    label.append(m === "JELQ" ? el("big", {}, el("b", { textContent: "JELQ" })) : m);
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    box.append(label, " ");
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  }
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}
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function fieldNames() {
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  const t = current();
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  const key = t.key + " " + method;
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  let names = BY_TARGET[key] || [];
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  if (key === "run JELQ") {
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    const chosen = technique(fieldValue("technique"));
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    names = ["technique"];
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    if (options("also").length > 1) names.push("also");
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    if (chosen && chosen.intensity) names.push("intensity");
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    if (["required", "optional"].includes(lubeRule())) names.push("lube");
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  }
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  const scoped = run && !["runs", "global"].includes(t.key);
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  const asked = challenged && scoped && !names.includes("authorization");
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  return (asked ? ["authorization"] : []).concat(names);
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}
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function renderExcuses() {
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  const said = excuses.concat(["the truth"]);
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  $("excuses").replaceChildren(...said.map(e => el("option", {
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    value: nonce ? 'Digest username="' + e + '", nonce="' + nonce + '"' : 'Excuse "' + e + '"',
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  })));
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}
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function renderFields() {
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  const table = $("fields");
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  table.replaceChildren();
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  for (const name of fieldNames()) {
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    const f = FIELDS[name];
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    let value = fieldValue(name);
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    if (name === "ifMatch" && !value) value = values.ifMatch = etags[current().path] || "";
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    const choices = options(name);
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    let input;
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    if (choices) {
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      input = el("select", {}, ...choices.map(o => el("option", { value: o, textContent: o || "(none)", selected: o === value })));
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    } else if (f.kind === "textarea") {
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      input = el("textarea", { rows: 3, cols: 40, value, placeholder: f.placeholder || "" });
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    } else {
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      const hint = name === "authorization" && nonce ? 'Digest username="helping Nan", nonce="' + nonce + '"' : f.placeholder || "";
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      input = el("input", { type: f.kind, value, placeholder: hint, size: 30 });
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    }
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    input.oninput = () => { values[name] = input.value; };
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    input.onchange = () => { values[name] = input.value; if (choices) renderFields(); };
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    if (name === "authorization") input.setAttribute("list", "excuses");
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    table.append(el("tr", {}, el("td", { align: "right", valign: "top", textContent: f.label }), el("td", {}, input)));
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  }
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  const extra = el("textarea", { rows: 3, cols: 40, value: raw("extra"), placeholder: FIELDS.extra.placeholder });
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  extra.oninput = () => { values.extra = extra.value; };
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  const more = el("details", { open: Boolean(values.extra) }, el("summary", { textContent: "more headers" }), extra);
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  table.append(el("tr", {}, el("td"), el("td", {}, more)));
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  $("send").value = method + " " + short(current().path);
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}
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function render() {
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  if (!allowedMethods(current()).includes(method)) return chooseTarget(current());
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  renderTargets();
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  renderMethods();
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  renderFields();
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}
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function parseLinks(header) {
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  const resources = [];
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  const moves = [];
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  for (const match of header.matchAll(/<([^>]*)>((?:\s*;\s*[a-z-]+="[^"]*")*)/g)) {
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    const params = Object.fromEntries([...match[2].matchAll(/([a-z-]+)="([^"]*)"/g)].map(p => [p[1], p[2]]));
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    const name = (params.rel || "").replace(REL, "");
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    if (name === "technique") {
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      moves.push({ name: params.title, lubricant: params.lubricant || null, intensity: params.intensity || null });
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      continue;
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    }
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    const methods = (params.allow || "GET").split(",").map(s => s.trim());
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    resources.push({ key: name, group: GROUP_OF[name] || "play", name: NAMES[name] || params.title || name, path: match[1], methods });
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  }
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  return [resources, moves];
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}
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function hrefs(value, found) {
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  if (value && typeof value === "object") {
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    if (typeof value.href === "string") {
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      const name = value.title || value.item || value.name || value.href.split("/").pop();
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      found.push({ key: "offered", group: "said", name, path: value.href, methods: [value.method || "GET"] });
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    }
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    for (const key in value) hrefs(value[key], found);
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  }
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  return found;
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}
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function log(text) {
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  $("log").prepend(text + "\n\n");
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  $("frame").scrollTop = 0;
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}
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function describe(r) {
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  const lines = ["< " + r.status + " " + r.reason];
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  for (const [name, value] of r.headers) {
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    if (!QUIET.has(name)) lines.push("< " + name + ": " + short(value));
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  }
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  let body = null;
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  try { body = JSON.parse(r.body); } catch (e) {}
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  if (body && typeof body === "object") {
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    const rest = Object.assign({}, body);
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    if (rest.detail) lines.push("  " + rest.detail);
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    for (const key of ["type", "title", "status", "detail"]) delete rest[key];
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    if (Object.keys(rest).length) lines.push(short(JSON.stringify(rest, null, 2)).replace(/^/gm, "  "));
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  } else if (r.body) {
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    const range = (r.headers.find(h => h[0] === "content-range") || [])[1] || "";
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    const partial = r.status === 206 && range.match(/^bytes (\d+)-(\d+)\/(\d+)$/);
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    lines.push("  " + r.body);
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    if (partial) lines.push("  [bytes " + partial[1] + "-" + partial[2] + " of " + partial[3] + ". Half-mast.]");
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  }
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  return lines.join("\n");
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}
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function absorb(r, sentMethod, sentPath) {
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  const headers = Object.fromEntries(r.headers.map(([n, v]) => [n.toLowerCase(), v]));
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  if (headers.etag) etags[sentPath] = headers.etag;
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  const digest = (headers["www-authenticate"] || "").match(/nonce="([^"]*)"/);
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  if ("www-authenticate" in headers) nonce = digest ? digest[1] : null;
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  renderExcuses();
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  let body = null;
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  try { body = JSON.parse(r.body); } catch (e) {}
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  const problem = body && typeof body.type === "string" ? body.type.split("/").pop() : null;
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  const started = r.status === 201 && (sentPath === "/runs" || sentPath.startsWith("/runs?"));
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  if (started) {
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    run = headers.location;
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    lastStats = {};
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    log("--- a new run has started at " + short(run) + " ---");
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  }
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  if ("x-eq" in headers) {
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    renderStats(headers);
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    renderAlerts(r.headers);
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    challenged = r.status === 401 || "via" in headers;
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  }
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  if (headers.link) [linked, techniques] = parseLinks(headers.link);
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  if (run) {
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    const active = run;
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    const seq = ++inventorySeq;
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    fetch("/ui/send", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ method: "GET", path: run + "/inventory", headers: [], body: "" }) })
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      .then(r => r.json())
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      .then(r => {
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        if (run !== active || seq !== inventorySeq) return;
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        try {
414
          const held = JSON.parse(r.body);
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          stocked = (held.items || []).map(i => i.name);
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          excuses = held.excuses || [];
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          renderExcuses();
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          render();
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        } catch (e) {}
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      });
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  }
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  offered = body ? hrefs(body, []) : [];
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  if (headers.location && !started) {
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    offered.unshift({ key: "offered", group: "said", name: short(headers.location).split("/").pop() + " (Location)", path: headers.location, methods: ["GET"] });
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  }
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  const abandoned = sentMethod === "DELETE" && sentPath === run && r.status === 204;
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  if (run && (abandoned || DEATHS.includes(problem))) {
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    log("--- the run has ended ---");
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    renderAlerts(null);
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    challenged = false;
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    run = null;
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    linked = [];
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    techniques = [];
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  }
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  if (started || !targets().some(t => t.path === target)) {
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    const home = linked.find(t => t.key === "run");
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    chooseTarget(home || GLOBALS[0]);
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  } else {
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    render();
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  }
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}
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async function go(event) {
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  event.preventDefault();
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  const t = current();
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  const key = t.key + " " + method;
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  const value = name => fieldValue(name).trim();
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  const headers = [];
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  let path = t.path;
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  for (const name of fieldNames()) {
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    const f = FIELDS[name];
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    if (f.header && value(name)) headers.push([f.header, value(name)]);
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  }
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  if (fieldNames().includes("upgrade") && value("upgrade")) headers.push(["Connection", "upgrade"]);
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  for (const line of raw("extra").split("\n")) {
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    const at = line.indexOf(":");
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    if (at > 0) headers.push([line.slice(0, at).trim(), line.slice(at + 1).trim()]);
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  }
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  if (key === "run JELQ") {
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    const names = fieldNames();
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    const chosen = [value("technique")].concat(names.includes("also") && value("also") ? [value("also")] : []);
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    path += "?technique=" + encodeURIComponent(chosen.join(","));
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    if (names.includes("intensity")) path += "&intensity=" + encodeURIComponent(value("intensity"));
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  }
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  if (key === "runs POST" && value("seed")) path += "?seed=" + encodeURIComponent(value("seed"));
466
467
  const sent = ["> " + method + " " + short(path)].concat(headers.map(([name, v]) => "> " + name + ": " + v)).join("\n");
468
  delete values.authorization;
469
  headers.push(["Accept-Language", $("locale").value]);
470
  let r;
471
  try {
472
    const response = await fetch("/ui/send", {
473
      method: "POST",
474
      headers: { "Content-Type": "application/json" },
475
      body: JSON.stringify({ method, path, headers }),
476
    });
477
    r = await response.json();
478
  } catch (error) {
479
    log(sent + "\n! The server did not answer. Is jelqd still running? (" + error.message + ")");
480
    return;
481
  }
482
  if (!Array.isArray(r.headers)) {
483
    log(sent + "\n! The page could not read that reply:\n  " + JSON.stringify(r));
484
    return;
485
  }
486
  log(sent + "\n" + describe(r));
487
  absorb(r, method, path);
488
}
489
490
$("form").onsubmit = go;
491
$("locale").value = localStorage.getItem("locale") || "en-GB";
492
$("locale").onchange = () => localStorage.setItem("locale", $("locale").value);
493
renderStats(null);
494
render();
495
log("Welcome. Choose \"start a new run\" and send POST to begin. The newest turn is always at the top.");
496
</script>
497
</body>
498
</html>