Web Search

import { useEffect, useState } from "react";

const QUERY = "JWT auth vulnerabilities and middleware security best practices";

const SITES = [
  { title: "JWT verification best practices", url: "auth0.com/blog/jwt-security-best-practices", discover: 600, finish: 2400 },
  { title: "Node.js authentication security guide", url: "owasp.org/www-project-nodejs-goat", discover: 1600, finish: 4000 },
  { title: "JWT attacks · Web Security Academy", url: "portswigger.net/web-security/jwt", discover: 2800, finish: 5600 },
];

// Six meridians, phase-offset by 1/6 of the cycle, read as one rotating sphere.
const M = {
  L: "M6.057 11.565 C2.081 11.565 0.371 8.159 0.371 5.964 C0.371 3.642 2.152 0.329 6.05 0.329",
  ML: "M6.012 11.55 C4.575 10.496 3.333 8.116 3.321 5.964 C3.307 3.399 4.974 0.977 6.012 0.329",
  MR: "M6.012 11.55 C7.211 10.781 8.715 8.287 8.715 5.964 C8.715 3.399 7.24 1.233 6.012 0.329",
  R: "M6.012 11.55 C9.677 11.55 11.65 8.487 11.65 5.964 C11.65 3.499 9.748 0.329 6.012 0.329",
};

function Globe() {
  const values = [M.L, M.ML, M.MR, M.R, M.L].join(";");
  return (
    <svg viewBox="0 0 12 12" width="12" height="12" fill="none" stroke="currentColor"
      strokeWidth="0.85" strokeLinecap="round" style={{ overflow: "visible" }}>
      <circle cx="6" cy="6" r="5.7" opacity="0.9" />
      <line x1="0.3" y1="6" x2="11.7" y2="6" opacity="0.9" />
      {["0s", "-1.2s", "-2.4s", "-3.6s", "-4.8s", "-6s"].map((begin) => (
        <path key={begin} d={M.L} opacity="0">
          <animate attributeName="d" dur="7.2s" begin={begin} repeatCount="indefinite"
            calcMode="spline" keyTimes="0;0.25;0.5;0.75;1"
            keySplines="0.42 0 0.58 1;0.42 0 0.58 1;0.42 0 0.58 1;0.42 0 0.58 1" values={values} />
          <animate attributeName="opacity" dur="7.2s" begin={begin} repeatCount="indefinite"
            calcMode="linear" keyTimes="0;0.05;0.7;0.75;1" values="0;0.9;0.9;0;0" />
        </path>
      ))}
    </svg>
  );
}

const Search = () => (
  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z" /></svg>
);
const Caret = () => (
  <svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="m4.5 15.75 7.5-7.5 7.5 7.5" /></svg>
);
const ArrowUp = () => (
  <svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M4.5 10.5 12 3m0 0 7.5 7.5M12 3v18" /></svg>
);
const Dots = () => (
  <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor"><circle cx="12" cy="12" r="9" strokeWidth="1.8" strokeDasharray="1.8 3.6" strokeLinecap="round" /></svg>
);
const Check = () => (
  <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><path d="M9 12.75 11.25 15 15 9.75M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z" /></svg>
);

export function WebSearch() {
  const [states, setStates] = useState(() => SITES.map(() => "pending"));
  const [done, setDone] = useState(false);
  const [open, setOpen] = useState(true);

  useEffect(() => {
    let timers: ReturnType<typeof setTimeout>[] = [];
    let cancelled = false;
    const last = Math.max(...SITES.map((s) => s.finish));
    const run = () => {
      setStates(SITES.map(() => "pending"));
      setDone(false);
      timers = [];
      const at = (ms: number, fn: () => void) => timers.push(setTimeout(fn, ms));
      SITES.forEach((site, i) => {
        at(site.discover, () => setStates((p) => p.map((v, j) => (j === i ? "loading" : v))));
        at(site.finish, () => setStates((p) => p.map((v, j) => (j === i ? "done" : v))));
      });
      at(last + 800, () => setDone(true));
      at(last + 800 + 2800, () => !cancelled && run());
    };
    run();
    return () => { cancelled = true; timers.forEach(clearTimeout); };
  }, []);

  return (
    <div className="ws" data-state={done ? "done" : "loading"}>
      <style>{styles}</style>
      <div className="ws-row">
        <Search />

        <span className="ws-label">
          <span className={"ws-shimmer" + (done ? " is-done" : "")}>
            Searching <span className="ws-quote">“{QUERY}”</span>
          </span>
          <button type="button" className="ws-chevron" aria-label="Toggle results"
            aria-expanded={open} onClick={() => setOpen((o) => !o)}><Caret /></button>
        </span>
      </div>

      <div className={"ws-collapsible" + (open ? "" : " is-collapsed")}>
        <div className="ws-collapsible-inner">
          <div className="ws-results">
            <span className="ws-rail" />
            <ul className="ws-list">
              {SITES.map((site, i) => (
                <li key={site.url} className="ws-site" data-state={states[i]}>
                  <span className="ws-bullet">
                    <span className="ws-dots"><Dots /></span>
                    <span className="ws-globe"><Globe /></span>
                    <span className="ws-check"><Check /></span>
                  </span>
                  <span className="ws-title">{site.title}</span>
                  <span className="ws-sep">·</span>
                  <span className="ws-url">{site.url}</span>
                  <span className="ws-arrow"><ArrowUp /></span>
                </li>
              ))}
            </ul>
          </div>
        </div>
      </div>
    </div>
  );
}

const styles = `.ws {
  --c-text: #0b0d12;
  --c-muted: #5b6472;
  --c-subtle: #8a93a3;
  --c-border: #e6e8ec;
  --c-border-strong: #d4d7dd;
  --c-surface-2: #f4f5f7;
  --c-success: #15a06a;
  --c-success-soft: rgba(21, 160, 106, 0.16);
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font: 13px/1.4 system-ui, -apple-system, sans-serif;
  color: var(--c-text);
}
@media (prefers-color-scheme: dark) {
  .ws {
    --c-text: #f2f4f8;
    --c-muted: #9aa4b4;
    --c-subtle: #6b7484;
    --c-border: #232834;
    --c-border-strong: #2f3645;
    --c-surface-2: #161a22;
    --c-success: #34d399;
    --c-success-soft: rgba(52, 211, 153, 0.16);
  }
}
.ws-row { display: flex; align-items: center; gap: 6px; min-height: 20px; }
.ws-row > svg { flex: none; color: var(--c-muted); margin-left: -1px; }
.ws-label { display: inline-flex; align-items: center; gap: 4px; font-weight: 550; color: var(--c-text); white-space: nowrap; min-width: 0; }
.ws-quote { overflow: hidden; text-overflow: ellipsis; }
.ws-shimmer { overflow: hidden; text-overflow: ellipsis; background: linear-gradient(90deg, color-mix(in srgb, var(--c-text) 45%, transparent) 0%, var(--c-text) 44%, color-mix(in srgb, var(--c-text) 45%, transparent) 80%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; animation: ws-shimmer 2.7s linear infinite; }
.ws-shimmer.is-done { animation: none; background: none; -webkit-text-fill-color: var(--c-text); color: var(--c-text); }
.ws-chevron { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border: none; background: none; color: var(--c-subtle); cursor: pointer; border-radius: 4px; transition: color 0.16s var(--ease), transform 0.28s var(--ease); }
.ws-chevron:hover { color: var(--c-muted); }
.ws-chevron[aria-expanded="false"] { transform: rotate(180deg); }
.ws-collapsible { display: grid; grid-template-rows: 1fr; opacity: 1; transition: grid-template-rows 0.32s var(--ease), opacity 0.22s var(--ease); }
.ws-collapsible.is-collapsed { grid-template-rows: 0fr; opacity: 0; pointer-events: none; }
.ws-collapsible-inner { min-height: 0; overflow: hidden; }
.ws-results { position: relative; display: flex; gap: 6px; align-items: stretch; }
.ws-rail { flex: none; width: 1px; align-self: stretch; border-left: 1px solid var(--c-border); margin-left: 5.5px; }
.ws-list { flex: 1; list-style: none; margin: 0; padding: 4px 0 2px 6px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ws-site { display: flex; align-items: center; gap: 6px; font-size: 12px; line-height: 18px; color: var(--c-muted); min-width: 0; opacity: 0; transform: translateY(4px); animation: ws-enter 0.34s var(--ease) forwards; }
.ws-site[data-state="done"] { cursor: pointer; }
.ws-bullet { position: relative; width: 12px; height: 12px; flex: none; display: inline-flex; align-items: center; justify-content: center; }
.ws-dots { position: absolute; inset: 0; display: inline-flex; align-items: center; justify-content: center; color: var(--c-subtle); opacity: 1; transition: opacity 0.32s var(--ease); pointer-events: none; }
.ws-dots svg, .ws-check svg { flex: none; }
.ws-site[data-state="loading"] .ws-dots, .ws-site[data-state="done"] .ws-dots { opacity: 0; }
.ws-globe { position: absolute; inset: 0; display: inline-flex; align-items: center; justify-content: center; color: var(--c-subtle); opacity: 0; transform: scale(0.88); transition: opacity 0.32s var(--ease), transform 0.36s var(--ease); }
.ws-site[data-state="loading"] .ws-globe { opacity: 1; transform: scale(1); }
.ws-site[data-state="done"] .ws-globe { opacity: 0; transform: scale(0.775); transition: opacity 0.22s var(--ease), transform 0.26s var(--ease); }
.ws-check { display: inline-flex; align-items: center; justify-content: center; color: var(--c-success); opacity: 0; transform: scale(1.175); transition: opacity 0.24s var(--ease) 0.06s, transform 0.28s var(--ease) 0.06s; }
.ws-site[data-state="done"] .ws-check { opacity: 1; transform: scale(1); }
.ws-title { color: var(--c-text); font-weight: 450; white-space: nowrap; flex: none; }
.ws-site[data-state="pending"] .ws-title { color: var(--c-muted); }
.ws-site[data-state="loading"] .ws-title { background: linear-gradient(90deg, color-mix(in srgb, var(--c-text) 50%, transparent) 0%, var(--c-text) 44%, color-mix(in srgb, var(--c-text) 50%, transparent) 80%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; animation: ws-shimmer 2.7s linear infinite; }
.ws-sep { color: var(--c-subtle); flex: none; }
.ws-url { color: var(--c-muted); flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color 0.16s var(--ease); }
.ws-arrow { display: inline-flex; flex: none; color: var(--c-subtle); margin-left: -2px; opacity: 0; transform: rotate(45deg) translate(0, 2px); transition: opacity 0.16s var(--ease), transform 0.22s var(--ease); }
.ws-site[data-state="done"]:hover .ws-arrow { opacity: 1; transform: rotate(45deg) translate(0, 0); }
.ws-site[data-state="done"]:hover .ws-url { color: var(--c-text); }
@keyframes ws-shimmer { 0% { background-position: 180% 0; } 100% { background-position: -180% 0; } }
@keyframes ws-enter { to { opacity: 1; transform: translateY(0); } }`;