@infinite-canvas-tutorial/webcomponents/esm/utils/html.js

WebComponents UI implementation

export function measureHTML(html) {
    const div = document.createElement('div');
    div.style.position = 'absolute';
    div.style.visibility = 'hidden';
    div.style.whiteSpace = 'nowrap'; // 如果你想单行测量
    div.innerHTML = html;
    document.body.appendChild(div);
    const rect = {
        width: div.offsetWidth,
        height: div.offsetHeight,
    };
    document.body.removeChild(div);
    return rect;
}
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