liamwarfield
ca8a3d1b92
Shows a themed spinner overlay while the large WASM bundle downloads, improving perceived load time on slower connections. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
// Loading screen that displays while WASM loads
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(function() {
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// Create and inject loader styles immediately (head exists)
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var style = document.createElement('style');
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style.textContent =
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'.wasm-loader {' +
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'position: fixed;' +
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'top: 0;' +
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'left: 0;' +
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'width: 100%;' +
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'height: 100%;' +
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'background-color: oklch(0.15 0.01 338.64);' +
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'display: flex;' +
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'align-items: center;' +
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'justify-content: center;' +
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'z-index: 9999;' +
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'transition: opacity 0.3s ease-out;' +
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'}' +
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'.wasm-loader.hidden {' +
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'opacity: 0;' +
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'pointer-events: none;' +
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'}' +
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'.wasm-spinner {' +
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'width: 48px;' +
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'height: 48px;' +
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'border: 4px solid rgba(123, 173, 159, 0.2);' +
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'border-top-color: #7bad9f;' +
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'border-radius: 50%;' +
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'animation: wasm-spin 1s linear infinite;' +
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'}' +
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'@keyframes wasm-spin {' +
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'to { transform: rotate(360deg); }' +
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'}';
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document.head.appendChild(style);
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function init() {
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// Create loader element
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var loader = document.createElement('div');
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loader.className = 'wasm-loader';
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loader.innerHTML = '<div class="wasm-spinner"></div>';
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document.body.appendChild(loader);
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// Watch for Dioxus to mount content in #main
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var observer = new MutationObserver(function(mutations, obs) {
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var main = document.getElementById('main');
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if (main && main.children.length > 0) {
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loader.classList.add('hidden');
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setTimeout(function() { loader.remove(); }, 300);
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obs.disconnect();
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}
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});
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observer.observe(document.body, {
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childList: true,
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subtree: true
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});
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}
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// Wait for body to exist
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if (document.body) {
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init();
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} else {
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document.addEventListener('DOMContentLoaded', init);
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}
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})();
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