code-lab/node_modules/vuetify/lib/util/animation.mjs

// Utilities
import { Box } from "./box.mjs";
/** @see https://stackoverflow.com/a/57876601/2074736 */
export function nullifyTransforms(el) {
  const rect = el.getBoundingClientRect();
  const style = getComputedStyle(el);
  const tx = style.transform;
  if (tx) {
    let ta, sx, sy, dx, dy;
    if (tx.startsWith('matrix3d(')) {
      ta = tx.slice(9, -1).split(/, /);
      sx = +ta[0];
      sy = +ta[5];
      dx = +ta[12];
      dy = +ta[13];
    } else if (tx.startsWith('matrix(')) {
      ta = tx.slice(7, -1).split(/, /);
      sx = +ta[0];
      sy = +ta[3];
      dx = +ta[4];
      dy = +ta[5];
    } else {
      return new Box(rect);
    }
    const to = style.transformOrigin;
    const x = rect.x - dx - (1 - sx) * parseFloat(to);
    const y = rect.y - dy - (1 - sy) * parseFloat(to.slice(to.indexOf(' ') + 1));
    const w = sx ? rect.width / sx : el.offsetWidth + 1;
    const h = sy ? rect.height / sy : el.offsetHeight + 1;
    return new Box({
      x,
      y,
      width: w,
      height: h
    });
  } else {
    return new Box(rect);
  }
}
export function animate(el, keyframes, options) {
  if (typeof el.animate === 'undefined') return {
    finished: Promise.resolve()
  };
  let animation;
  try {
    animation = el.animate(keyframes, options);
  } catch (err) {
    return {
      finished: Promise.resolve()
    };
  }
  if (typeof animation.finished === 'undefined') {
    animation.finished = new Promise(resolve => {
      animation.onfinish = () => {
        resolve(animation);
      };
    });
  }
  return animation;
}
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