Docs base plate?

docs/_static/copy.js

@@ -0,0 +1,34 @@
+const COPY = "content_copy";
+const COPIED = "done";
+
+const copy = async (obj) => {
+  // <span class="copy"><span class="material-icons">{{text}}</span></span>
+  await navigator.clipboard.writeText(obj.children[1].innerText).then(
+    () => {
+      let icon = obj.children[0].children[0];
+      icon.textContent = COPIED;
+      setTimeout(() => (icon.textContent = COPY), 2500);
+    },
+    (r) => alert('Could not copy codeblock:\n' + r.toString())
+  );
+};
+
+document.addEventListener("DOMContentLoaded", () => {
+  let allCodeblocks = document.querySelectorAll("div[class='highlight']");
+
+  for (let codeblock of allCodeblocks) {
+    codeblock.parentNode.className += " relative-copy";
+    let copyEl = document.createElement("span");
+    copyEl.addEventListener('click', () => copy(codeblock));
+    copyEl.className = "copy";
+    copyEl.setAttribute("aria-label", "Copy Code");
+    copyEl.setAttribute("title", "Copy Code");
+
+    let copyIcon = document.createElement("span");
+    copyIcon.className = "material-icons";
+    copyIcon.textContent = COPY;
+    copyEl.append(copyIcon);
+
+    codeblock.prepend(copyEl);
+  }
+});