Files
sui/components/Button.svelte
2025-04-13 07:56:23 -07:00

151 lines
3.2 KiB
Svelte

<script lang="ts">
import type { Snippet } from 'svelte';
import type { MouseEventHandler } from 'svelte/elements';
import Spinner from './Spinner.svelte';
let {
icon,
animate = true,
loading,
children,
onclick
}: {
icon?: string;
animate?: boolean;
loading?: boolean;
children: Snippet;
onclick?: MouseEventHandler<HTMLButtonElement>;
} = $props();
let iconElement = $state<HTMLSpanElement | null>(null);
const handleButtonClick: MouseEventHandler<HTMLButtonElement> = (event) => {
if (animate) {
animateLoop();
animateRipple(event);
}
if (loading) return;
onclick?.(event);
};
const triggerAnimation = (className: string) => {
if (icon && iconElement) {
iconElement.classList.remove(className);
void iconElement.offsetWidth;
iconElement.classList.add(className);
}
};
export const animateLoop = () => triggerAnimation('animate');
export const animateBounce = () => triggerAnimation('bounce');
export const animateRipple: MouseEventHandler<HTMLButtonElement> = (event) => {
const button = event.currentTarget;
const circle = document.createElement('span');
const diameter = Math.max(button.clientWidth, button.clientHeight);
const radius = diameter / 2;
const rect = button.getBoundingClientRect();
const x = event.clientX - rect.left - radius;
const y = event.clientY - rect.top - radius;
circle.style.width = circle.style.height = `${diameter}px`;
circle.style.left = `${x}px`;
circle.style.top = `${y}px`;
circle.classList.add('ripple');
const ripples = button.getElementsByClassName('ripple');
for (let i = 0; i < ripples.length; i++) {
ripples[i].remove();
}
button.appendChild(circle);
};
</script>
<button
class={[
'button group relative flex gap-3 overflow-hidden rounded-sm px-5',
'text-background py-3 font-medium transition-colors',
!loading ? ' bg-primary hover:bg-secondary' : 'bg-primary/50 cursor-not-allowed '
]}
onclick={handleButtonClick}
>
{@render children()}
{#if icon && !loading}
<span class="material-symbols-outlined" bind:this={iconElement}>{icon}</span>
{/if}
{#if loading}
<div class="w-[1rem]"></div>
<div class="absolute right-4 top-1/2 translate-y-[-40%]"><Spinner size="1.3rem" /></div>
{/if}
</button>
<style>
@keyframes loop {
0% {
transform: translateX(0);
opacity: 100%;
}
40% {
opacity: 100%;
}
50% {
transform: translateX(3rem);
opacity: 0%;
}
51% {
transform: translateX(-2rem);
opacity: 0%;
}
100% {
transform: translateX(0);
}
}
@keyframes bounce {
0% {
transform: translateX(0);
}
25% {
transform: translateX(-0.25rem);
}
75% {
transform: translateX(0.25rem);
}
100% {
transform: translateX(0);
}
}
@keyframes ripple {
to {
transform: scale(4);
opacity: 0;
}
}
:global(button span.animate) {
animation-name: loop;
animation-duration: 0.5s;
}
:global(button span.bounce) {
animation-name: bounce;
animation-duration: 180ms;
animation-timing-function: ease-in-out;
animation-iteration-count: 3;
}
:global(span.ripple) {
position: absolute;
border-radius: 50%;
background-color: rgba(255, 255, 255, 0.3);
animation: ripple 0.5s linear;
transform: scale(0);
}
</style>