108 lines
3.0 KiB
HTML
108 lines
3.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>moveBefore</title>
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<style>
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html {
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width: 100%;
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height: 100%;
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position: fixed;
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overflow: hidden;
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}
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body {
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min-height: 100%;
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position: relative;
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margin: 0;
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display: flex;
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}
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.container {
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width: 50%;
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height: 100vh;
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border: 2px dashed #ccc;
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transition: background-color 0.3s;
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}
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.container:has(folk-shape) {
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background-color: rgba(0, 255, 0, 0.1);
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}
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folk-shape {
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background: rgb(187, 178, 178);
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}
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.warning-banner {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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background-color: #fff3cd;
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color: #856404;
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border: 1px solid #ffeeba;
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padding: 12px;
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text-align: center;
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z-index: 1000;
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font-family: system-ui, -apple-system, sans-serif;
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}
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</style>
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</head>
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<body>
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<div class="container" id="left"></div>
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<div class="container" id="right"></div>
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<folk-shape x="100" y="100" width="50" height="50"></folk-shape>
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<folk-shape x="100" y="200" width="50" height="50"></folk-shape>
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<folk-shape x="100" y="300" width="50" height="50" rotation="45"></folk-shape>
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<script type="module">
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import '../../lib/standalone/folk-shape.ts';
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// Check for moveBefore support
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if (!Element.prototype.moveBefore) {
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const warning = document.createElement('div');
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warning.className = 'warning-banner';
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warning.innerHTML =
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'⚠️ Note: moveBefore() API requires Chrome Canary with <code>chrome://flags/#atomic-move</code> enabled';
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document.body.insertAdjacentElement('afterbegin', warning);
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console.warn('Note: moveBefore() API requires Chrome Canary with chrome://flags/#atomic-move enabled');
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}
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// TODO: investigate / figure out how to avoid the need for this
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let isMoving = false;
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document.addEventListener('transform', (e) => {
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if (isMoving) return; // Prevent recursive calls
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const shape = e.target;
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if (!shape.moveBefore) {
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return;
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}
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const rect = shape.getBoundingClientRect();
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const centerX = rect.left + rect.width / 2;
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const containers = document.querySelectorAll('.container');
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try {
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isMoving = true;
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for (const container of containers) {
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const containerRect = container.getBoundingClientRect();
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if (centerX >= containerRect.left && centerX <= containerRect.right) {
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container.moveBefore(shape, container.firstChild);
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return;
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}
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}
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if (shape.parentElement !== document.body) {
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document.body.moveBefore(shape, document.body.firstChild);
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}
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} finally {
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isMoving = false;
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}
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});
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</script>
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</body>
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</html>
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