26 lines
1.0 KiB
JavaScript
26 lines
1.0 KiB
JavaScript
import { cubicOut } from '../easing/index.mjs';
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import { is_function } from '../internal/index.mjs';
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function flip(node, { from, to }, params = {}) {
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const style = getComputedStyle(node);
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const transform = style.transform === 'none' ? '' : style.transform;
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const [ox, oy] = style.transformOrigin.split(' ').map(parseFloat);
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const dx = (from.left + from.width * ox / to.width) - (to.left + ox);
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const dy = (from.top + from.height * oy / to.height) - (to.top + oy);
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const { delay = 0, duration = (d) => Math.sqrt(d) * 120, easing = cubicOut } = params;
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return {
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delay,
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duration: is_function(duration) ? duration(Math.sqrt(dx * dx + dy * dy)) : duration,
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easing,
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css: (t, u) => {
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const x = u * dx;
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const y = u * dy;
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const sx = t + u * from.width / to.width;
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const sy = t + u * from.height / to.height;
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return `transform: ${transform} translate(${x}px, ${y}px) scale(${sx}, ${sy});`;
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}
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};
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}
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export { flip };
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