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import { createEffect, createMemo, createSignal, onCleanup, type ValidComponent } from "solid-js"
import { Dynamic } from "solid-js/web"
export const TextShimmer = <T extends ValidComponent = "span">(props: {
text: string
class?: string
as?: T
active?: boolean
offset?: number
}) => {
const text = createMemo(() => props.text ?? "")
const active = createMemo(() => props.active ?? true)
const offset = createMemo(() => props.offset ?? 0)
const [run, setRun] = createSignal(active())
const swap = 220
let timer: ReturnType<typeof setTimeout> | undefined
createEffect(() => {
if (timer) {
clearTimeout(timer)
timer = undefined
}
if (active()) {
setRun(true)
return
}
timer = setTimeout(() => {
timer = undefined
setRun(false)
}, swap)
})
onCleanup(() => {
if (!timer) return
clearTimeout(timer)
})
return (
<Dynamic
component={props.as ?? "span"}
data-component="text-shimmer"
data-active={active() ? "true" : "false"}
class={props.class}
aria-label={text()}
style={{
"--text-shimmer-swap": `${swap}ms`,
"--text-shimmer-index": `${offset()}`,
}}
>
<span data-slot="text-shimmer-char">
<span data-slot="text-shimmer-char-base" aria-hidden="true">
{text()}
</span>
<span data-slot="text-shimmer-char-shimmer" data-run={run() ? "true" : "false"} aria-hidden="true">
{text()}
</span>
</span>
</Dynamic>
)
}
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