73 lines
1.6 KiB
TypeScript
73 lines
1.6 KiB
TypeScript
const dedupeWithin = (root: ParentNode): void => {
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const seen = new Set<string>();
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const elements = root.querySelectorAll<HTMLElement>(":scope > [data-id]");
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elements.forEach((item) => {
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const id = item.dataset.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();
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return;
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}
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seen.add(id);
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});
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};
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const dedupe = (): void => {
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const containers = new Set<ParentNode>();
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const elements = document.querySelectorAll<HTMLElement>("[data-id]");
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elements.forEach((item) => {
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if (item.parentElement) {
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containers.add(item.parentElement);
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}
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});
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containers.forEach((container) => {
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dedupeWithin(container);
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});
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};
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const dedupeSwapTarget = (target: EventTarget | null): void => {
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if (!(target instanceof HTMLElement)) {
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return;
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}
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if (target.matches("[data-id]")) {
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const parent = target.parentElement;
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if (parent) {
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dedupeWithin(parent);
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}
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return;
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}
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const containers = new Set<ParentNode>();
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const elements = target.querySelectorAll<HTMLElement>("[data-id]");
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elements.forEach((item) => {
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if (item.parentElement) {
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containers.add(item.parentElement);
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}
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});
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containers.forEach((container) => {
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dedupeWithin(container);
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});
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};
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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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window.addEventListener("load", dedupe);
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document.addEventListener("htmx:afterSwap", (event: Event): void => {
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const customEvent = event as CustomEvent<{ target?: EventTarget | null }>;
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dedupeSwapTarget(customEvent.detail?.target ?? event.target);
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});
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