37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
(async function () {
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// Define the slug
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const slug = location.pathname.replace(/^\/|\/$/g, "").replaceAll("/", "-");
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const API = window.UPVOTE_API;
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const btn = document.getElementById("upvote-btn");
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const count = document.getElementById("upvote-count");
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// On load fetch curent vote count and whether the button should be clicked on or off
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const res = await fetch(`${API}/posts/${slug}/votes`, {
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credentials: "include",
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});
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const data = await res.json();
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count.textContent = data.vote_count;
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if (data.voted) btn.setAttribute("voted", true);
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btn.addEventListener("click", async () => {
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const alreadyVoted = btn.hasAttribute("voted");
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const method = alreadyVoted ? "DELETE" : "POST";
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const r = await fetch(`${API}/posts/${slug}/vote`, {
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method,
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credentials: "include",
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});
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if (r.ok) {
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const updated = await fetch(`${API}/posts/${slug}/votes`, {
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credentials: "include",
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});
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const d = await updated.json();
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count.textContent = d.vote_count;
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if (d.voted) btn.setAttribute("voted", false);
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else btn.removeAttribute("voted");
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}
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});
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})();
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