Add copy article button with full Markdown source

src/main.js

@@ -7,6 +7,22 @@ Alpine.start();
 
 const bootIcons = () => createIcons({ icons });
 
+const copyArticleButton = document.querySelector("[data-copy-article]");
+if (copyArticleButton) {
+  let resetTimer;
+  copyArticleButton.addEventListener("click", async () => {
+    const label = copyArticleButton.querySelector("span");
+    clearTimeout(resetTimer);
+    try {
+      await navigator.clipboard.writeText(JSON.parse(document.querySelector("#article-markdown").textContent));
+      label.textContent = "Copied!";
+    } catch {
+      label.textContent = "Copy failed";
+    }
+    resetTimer = setTimeout(() => (label.textContent = "Copy article"), 2500);
+  });
+}
+
 if (document.readyState === "loading") {
   document.addEventListener("DOMContentLoaded", bootIcons);
 } else {