comet-spinner

1import { cn } from "@/lib/utils";
2 
3const SHADOW_ANIMATION = "loading-ui-comet-shadow";
4const ROTATION_ANIMATION = "loading-ui-comet-rotation";
5 
6type CometSpinnerProps = React.ComponentProps<"span"> & {
7  headScale?: number;
8  radiusScale?: number;
9};
10 
11function clamp(value: number, min: number, max: number) {
12  return Math.min(Math.max(value, min), max);
13}
14 
15function CometSpinner({
16  className,
17  style,
18  headScale = 0.2,
19  radiusScale = 0.83,
20  ...props
21}: CometSpinnerProps) {
22  const safeHeadScale = clamp(headScale, 0.08, 0.35);
23  const safeRadiusScale = clamp(radiusScale, 0.3, 1.1);
24  const cometStyle = {
25    ...style,
26    "--loading-ui-comet-head": `${(safeHeadScale * 100).toFixed(2)}cqmin`,
27    "--loading-ui-comet-radius": `${(safeRadiusScale * 100).toFixed(2)}cqmin`,
28  } as React.CSSProperties;
29 
30  return (
31    <>
32      <style>{`
33        @keyframes ${SHADOW_ANIMATION} {
34          0% {
35            box-shadow:
36              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2),
37              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.1),
38              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.2),
39              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.3),
40              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.385);
41          }
42 
43          5%,
44          95% {
45            box-shadow:
46              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2),
47              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.1),
48              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.2),
49              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.3),
50              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2.385);
51          }
52 
53          10%,
54          59% {
55            box-shadow:
56              0 calc(var(--loading-ui-comet-radius) * -1) 0 calc(var(--loading-ui-comet-head) * -2),
57              calc(var(--loading-ui-comet-radius) * -0.105) calc(var(--loading-ui-comet-radius) * -0.994) 0 calc(var(--loading-ui-comet-head) * -2.1),
58              calc(var(--loading-ui-comet-radius) * -0.208) calc(var(--loading-ui-comet-radius) * -0.978) 0 calc(var(--loading-ui-comet-head) * -2.2),
59// … truncated