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import { createEffect, createUniqueId, on } from "solid-js"
export interface MorphChevronProps {
expanded: boolean
class?: string
}
const COLLAPSED = "M4 6L8 10L12 6"
const EXPANDED = "M4 10L8 6L12 10"
export function MorphChevron(props: MorphChevronProps) {
const id = createUniqueId()
let path: SVGPathElement | undefined
let expandAnim: SVGAnimateElement | undefined
let collapseAnim: SVGAnimateElement | undefined
createEffect(
on(
() => props.expanded,
(expanded, prev) => {
if (prev === undefined) {
// Set initial state without animation
path?.setAttribute("d", expanded ? EXPANDED : COLLAPSED)
return
}
if (expanded) {
expandAnim?.beginElement()
} else {
collapseAnim?.beginElement()
}
},
),
)
return (
<svg
viewBox="0 0 16 16"
data-slot="morph-chevron-svg"
class={props.class}
xmlns="http://www.w3.org/2000/svg"
aria-hidden="true"
>
<path ref={path} d={COLLAPSED} id={`morph-chevron-path-${id}`}>
<animate
ref={(el) => {
expandAnim = el
}}
id={`morph-expand-${id}`}
attributeName="d"
dur="200ms"
fill="freeze"
calcMode="spline"
keySplines="0.25 0 0.5 1"
values="M4 6L8 10L12 6;M4 10L8 6L12 10"
begin="indefinite"
/>
<animate
ref={(el) => {
collapseAnim = el
}}
id={`morph-collapse-${id}`}
attributeName="d"
dur="200ms"
fill="freeze"
calcMode="spline"
keySplines="0.25 0 0.5 1"
values="M4 10L8 6L12 10;M4 6L8 10L12 6"
begin="indefinite"
/>
</path>
</svg>
)
}
|
