PyServerless/index.html at main · PurePythonic/PyServerless · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Python Serverless Starter</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@stlite/mountable@latest/build/stlite.css" />
    <style>
      :root {
        --primary: #6366f1;
        --bg: #0f172a;
      }
      body {
        margin: 0;
        padding: 0;
        background-color: var(--bg);
        overflow: hidden;
      }
      #root {
        height: 100vh;
        opacity: 0;
        transition: opacity 0.8s ease-in-out;
      }
      #root.loaded {
        opacity: 1;
      }
      #loader {
        position: fixed;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: var(--bg);
        z-index: 9999;
        transition: opacity 0.5s ease-out, visibility 0.5s;
      }
      #loader.hidden {
        opacity: 0;
        visibility: hidden;
      }
      .spinner {
        width: 40px;
        height: 40px;
        border: 3px solid rgba(255,255,255,0.1);
        border-top-color: var(--primary);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-bottom: 20px;
      }
      @keyframes spin {
        to { transform: rotate(360deg); }
      }
      .loader-text {
        color: #94a3b8;
        font-family: system-ui, -apple-system, sans-serif;
        font-size: 14px;
        letter-spacing: 0.05em;
      }

      /* This is the magic CSS to hide the stlite technical log messages */
      div[data-testid="stStatusWidget"],
      .stlite-loader,
      #stlite-error-modal {
        display: none !important;
      }
    </style>
  </head>
  <body>
    <div id="loader">
      <div class="spinner"></div>
      <div class="loader-text">Initializing Python Environment...</div>
    </div>

    <div id="root"></div>

    <script src="https://cdn.jsdelivr.net/npm/@stlite/mountable@latest/build/stlite.js"></script>
    <script>
      stlite.mount(
        {
          requirements: ["pandas", "altair"],
          entrypoint: "app.py",
          files: {
            "app.py": { url: "app.py" }
          },
        },
        document.getElementById("root"),
      );

      const observer = new MutationObserver((mutations, obs) => {
        const app = document.querySelector(".stApp");
        if (app) {
          setTimeout(() => {
            document.getElementById("loader").classList.add("hidden");
            document.getElementById("root").classList.add("loaded");
          }, 500);
          obs.disconnect();
        }
      });

      observer.observe(document.getElementById("root"), {
        childList: true,
        subtree: true
      });
    </script>
  </body>
</html>