@manufosela/util-lola

[DEPRECATED — use @manufosela/loading-layer] Loading overlay web component.

⚠️ Deprecated — This component is superseded by @manufosela/loading-layer, which adds <dialog>-based accessibility, multi-phase messages, event-driven phases, completion events, and singleton protection.

Basic

Show overlay

Click to show the loading overlay. It stays until you dismiss it.

Code

+ Show HTML + JS

<util-lola id="lola" message="Loading..."></util-lola>

<script type="module">
  import "@manufosela/util-lola";
  document.getElementById("lola").active = true;
</script>

Timeout

Auto-close

The overlay closes automatically after the specified seconds.

Code

+ Show HTML

<util-lola
  message="Please wait..."
  timeout="3"
  active
></util-lola>

Custom

Custom message

Pass a message via the message attribute.

Events

Toggle event

Listens for lola-toggle events.

Demo code (CodePen-ready HTML, CSS, JS)

HTML (html)

<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
    href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap"
    rel="stylesheet"
  />
<div class="container" style="margin-top: 1rem;">
    <div class="deprecation-banner">
      <strong>⚠️ Deprecated</strong> — This component is superseded by
      <a href="https://manufosela.dev/ui-components/packages/loading-layer/demo/">@manufosela/loading-layer</a>,
      which adds <code>&lt;dialog&gt;</code>-based accessibility, multi-phase messages, event-driven phases,
      completion events, and singleton protection.
    </div>
  </div>
  

  <main>
    <div class="container demo-shell">

      <section class="demo-section">
        <div class="demo-card">
          <span class="badge">Basic</span>
          <h2>Show overlay</h2>
          <p class="note">Click to show the loading overlay. It stays until you dismiss it.</p>
          <div class="btn-row">
            <button class="btn" id="btn-basic-show">Show overlay</button>
            <button class="btn-outline" id="btn-basic-hide">Hide overlay</button>
          </div>
        </div>
        <div class="demo-card">
          <h3>Code</h3>
          <details class="code-details">
            <summary>+ Show HTML + JS</summary>
            <div class="code-block"><pre><code>&lt;util-lola id="lola" message="Loading..."&gt;&lt;/util-lola&gt;

&lt;script type="module"&gt;
  import "@manufosela/util-lola";
  document.getElementById("lola").active = true;
&lt;/script&gt;</code></pre></div>
          </details>
        </div>
      </section>

      <section class="demo-section">
        <div class="demo-card">
          <span class="badge">Timeout</span>
          <h2>Auto-close</h2>
          <p class="note">The overlay closes automatically after the specified seconds.</p>
          <div class="btn-row">
            <button class="btn" id="btn-timeout-2">2 second timeout</button>
            <button class="btn" id="btn-timeout-5">5 second timeout</button>
          </div>
        </div>
        <div class="demo-card">
          <h3>Code</h3>
          <details class="code-details">
            <summary>+ Show HTML</summary>
            <div class="code-block"><pre><code>&lt;util-lola
  message="Please wait..."
  timeout="3"
  active
&gt;&lt;/util-lola&gt;</code></pre></div>
          </details>
        </div>
      </section>

      <section class="demo-section">
        <div class="demo-card">
          <span class="badge">Custom</span>
          <h2>Custom message</h2>
          <p class="note">Pass a message via the <code>message</code> attribute.</p>
          <div class="btn-row">
            <button class="btn" id="btn-custom">Show with custom message</button>
          </div>
        </div>
        <div class="demo-card">
          <span class="badge">Events</span>
          <h2>Toggle event</h2>
          <p class="note">Listens for <code>lola-toggle</code> events.</p>
          <div id="event-log" class="code-block" style="min-height: 60px; font-family: monospace;"></div>
        </div>
      </section>

    </div>
  </main>

  <util-lola id="demo-lola"></util-lola>

CSS (css)

:root {
  --bg: #0c0f14;
  --bg-elevated: #141923;
  --bg-panel: #171d28;
  --border: #262f3f;
  --text: #f4f6fb;
  --text-muted: #a7b0c2;
  --text-dim: #7d879b;
  --accent: #ff8a3d;
  --accent-strong: #ff6a00;
  --accent-soft: rgba(255, 138, 61, 0.16);
  --shadow: 0 20px 50px rgba(5, 8, 14, 0.45);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }

header {
  padding: 32px 24px 16px;
  border-bottom: 1px solid var(--line);
}

.container { max-width: 1100px; margin: 0 auto; }

.top-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.top-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 0.85rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.top-links a:hover { color: var(--text); border-color: var(--accent-2); }

.hero h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.02em; }
.hero p { margin: 8px 0 0; color: var(--muted); }

main { padding: 24px 24px 64px; }

.demo-shell { display: grid; gap: 20px; }

.demo-section {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.demo-card {
  background: color-mix(in srgb, var(--card) 85%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.demo-card h2 { margin: 0 0 10px; }
.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.note { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

.btn {
  padding: 8px 18px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(120deg, var(--accent), #ff6a00);
  color: #111;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-outline {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}

.code-details summary { cursor: pointer; color: var(--muted); margin-top: 10px; }
.code-details[open] summary { color: var(--text); }
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  font-size: 0.85rem;
  color: var(--code-text);
}
.code-block pre { margin: 0; white-space: pre-wrap; }
  .deprecation-banner {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
    color: var(--text);
    line-height: 1.6;
  }
  .deprecation-banner strong { color: #f59e0b; }
  .deprecation-banner a { color: #38bdf8; }
  


:root {
  --bg: #0f1117;
  --bg-2: #151a26;
  --bg-spot-1: #1a2136;
  --bg-spot-2: #1d1b34;
  --card: #1c2233;
  --text: #f3f6ff;
  --muted: #b8c0d9;
  --line: #2b3247;
  --accent: #ffb000;
  --accent-2: #00d0ff;
  --surface: #0b0f1a;
  --code-bg: #0b0f1a;
  --code-text: #d6d9e6;
}

:root.light {
  --bg: #f5f5f7;
  --bg-2: #ffffff;
  --bg-spot-1: #f8e9d0;
  --bg-spot-2: #e8eef8;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #ffb000;
  --accent-2: #00a7d6;
  --surface: #f3f4f6;
  --code-bg: #111827;
  --code-text: #f9fafb;
}

:root.dark {
  --bg: #0f1117;
  --bg-2: #151a26;
  --bg-spot-1: #1a2136;
  --bg-spot-2: #1d1b34;
  --card: #1c2233;
  --text: #f3f6ff;
  --muted: #b8c0d9;
  --line: #2b3247;
  --accent: #ffb000;
  --accent-2: #00d0ff;
  --surface: #0b0f1a;
  --code-bg: #0b0f1a;
  --code-text: #d6d9e6;
}

h1 {
  color: var(--accent) !important;
}

.top-links a,
.topbar a {
  color: var(--muted) !important;
  border-color: var(--line) !important;
}

.top-links a:hover,
.topbar a:hover {
  color: var(--text) !important;
}

.card,
.section,
.demo-section,
.panel {
  background: var(--card) !important;
  border-color: var(--line) !important;
  color: var(--text) !important;
}

.code-block,
pre,
code,
.output,
.current-url,
.event-log,
.result-card,
.log {
  background: var(--code-bg) !important;
  color: var(--code-text) !important;
  border-color: var(--line) !important;
}

input,
select,
textarea {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

button {
  background: linear-gradient(120deg, var(--accent), #ff6a00) !important;
  color: #111 !important;
}

footer {
  color: var(--muted) !important;
}

footer a {
  color: var(--text) !important;
}

JS (js)

import "https://esm.sh/@manufosela/util-lola";

    const lola = document.getElementById("demo-lola");
    const log = document.getElementById("event-log");

    lola.addEventListener("lola-toggle", (e) => {
      const line = document.createElement("div");
      line.textContent = `lola-toggle → active: ${e.detail.active}`;
      log.prepend(line);
    });

    document.getElementById("btn-basic-show").addEventListener("click", () => {
      lola.message = "Loading...";
      lola.timeout = 0;
      lola.active = true;
    });

    document.getElementById("btn-basic-hide").addEventListener("click", () => {
      lola.active = false;
    });

    document.getElementById("btn-timeout-2").addEventListener("click", () => {
      lola.message = "Closing in 2 seconds...";
      lola.timeout = 2;
      lola.active = true;
    });

    document.getElementById("btn-timeout-5").addEventListener("click", () => {
      lola.message = "Closing in 5 seconds...";
      lola.timeout = 5;
      lola.active = true;
    });

    document.getElementById("btn-custom").addEventListener("click", () => {
      lola.message = "Fetching data from API...";
      lola.timeout = 3;
      lola.active = true;
    });
  

class DemoThemeToggle extends HTMLElement {
  constructor() {
    super();
    this.attachShadow({ mode: 'open' });
    this.handleClick = this.handleClick.bind(this);
  }

  connectedCallback() {
    const saved = localStorage.getItem('utils-demo-theme');
    document.documentElement.classList.remove('dark');
    document.documentElement.classList.toggle('light', saved === 'light');

    this.render();
  }

  render() {
    const isLight = document.documentElement.classList.contains('light');
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: inline-flex;
        }
        .toggle {
          display: inline-flex;
          align-items: center;
          border: 1px solid var(--line);
          border-radius: 999px;
          overflow: hidden;
          background: var(--surface);
        }
        button {
          border: none;
          background: transparent;
          color: var(--muted);
          padding: 6px 12px;
          font-size: 0.8rem;
          cursor: pointer;
          font-family: "Space Grotesk", "Trebuchet MS", Arial, sans-serif;
        }
        button.active {
          background: linear-gradient(120deg, var(--accent), #ff6a00);
          color: #111;
          font-weight: 600;
        }
      </style>
      <div class="toggle" role="group" aria-label="Theme toggle">
        <button class="${isLight ? 'active' : ''}" data-theme="light">Light</button>
        <button class="${isLight ? '' : 'active'}" data-theme="dark">Dark</button>
      </div>
    `;

    this.shadowRoot.querySelectorAll('button').forEach((btn) => {
      btn.addEventListener('click', this.handleClick);
    });
  }

  handleClick(event) {
    const theme = event.currentTarget.dataset.theme;
    const isLight = theme === 'light';
    document.documentElement.classList.toggle('light', isLight);
    document.documentElement.classList.remove('dark');
    localStorage.setItem('utils-demo-theme', isLight ? 'light' : 'dark');
    this.render();
  }
}

customElements.define('demo-theme-toggle', DemoThemeToggle);