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<script lang="ts">
import { onMount } from "svelte";
let container: HTMLDivElement | undefined;
let trigger: HTMLDivElement | undefined;
let observer: IntersectionObserver | undefined;
let isLoading = false;
let hasLoaded = false;
function loadComments() {
if (!container || isLoading || hasLoaded) return;
isLoading = true;
const script = document.createElement("script");
script.src = "https://giscus.app/client.js";
script.setAttribute("data-repo", "wenekar/giscus");
script.setAttribute("data-repo-id", "R_kgDOREZgEQ");
script.setAttribute("data-category", "Announcements");
script.setAttribute("data-category-id", "DIC_kwDOREZgEc4C1nRY");
script.setAttribute("data-mapping", "pathname");
script.setAttribute("data-strict", "0");
script.setAttribute("data-reactions-enabled", "1");
script.setAttribute("data-emit-metadata", "0");
script.setAttribute("data-input-position", "top");
script.setAttribute("data-theme", "preferred_color_scheme");
script.setAttribute("data-lang", "en");
script.setAttribute("data-loading", "lazy");
script.crossOrigin = "anonymous";
script.async = true;
script.addEventListener("load", () => {
isLoading = false;
});
script.addEventListener("error", () => {
isLoading = false;
hasLoaded = false;
script.remove();
});
container.appendChild(script);
hasLoaded = true;
observer?.disconnect();
observer = undefined;
}
onMount(() => {
if (!trigger || !("IntersectionObserver" in window)) return;
observer = new IntersectionObserver(
(entries) => {
if (entries.some((entry) => entry.isIntersecting)) {
loadComments();
}
},
{ rootMargin: "300px 0px" },
);
observer.observe(trigger);
return () => {
observer?.disconnect();
};
});
</script>
<div class="giscus-container">
{#if !hasLoaded}
<button
class="comments-toggle"
on:click={loadComments}
disabled={isLoading}
>
{isLoading ? "Loading comments..." : "Show comments"}
</button>
{/if}
<div class="giscus-trigger" bind:this={trigger}></div>
<div bind:this={container}></div>
</div>
<style>
.comments-toggle {
margin-bottom: 1rem;
padding: 0.6rem 0.9rem;
border: 1px solid var(--border);
background: transparent;
color: var(--text);
font: inherit;
cursor: pointer;
}
.comments-toggle:disabled {
opacity: 0.75;
cursor: default;
}
.giscus-trigger {
height: 1px;
}
</style>
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