27 lines
620 B
TypeScript
27 lines
620 B
TypeScript
const dedupe = (): void => {
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const seen = new Set<string>();
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const elements = document.querySelectorAll("[data-id]");
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elements.forEach((item) => {
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const id = item.getAttribute("data-id");
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if (!id) {
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return;
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}
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if (seen.has(id)) {
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item.remove(); // duplicate, remove it
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} else {
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seen.add(id);
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}
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});
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};
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// run on DOM ready or immediately if already loaded
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", dedupe);
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} else {
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dedupe();
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}
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// also run on load as a fallback (e.g. htmx swaps)
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window.addEventListener("load", dedupe);
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