alex-shpak#281, Copy code block content on click

assets/clipboard.js

@@ -0,0 +1,21 @@
+(function () {
+  function select(element) {
+    const selection = window.getSelection();
+
+    const range = document.createRange();
+    range.selectNodeContents(element);
+
+    selection.removeAllRanges();
+    selection.addRange(range);
+  }
+
+  document.querySelectorAll("pre code").forEach(code => {
+    code.addEventListener("click", function (event) {
+      select(code.parentElement);
+
+      if (navigator.clipboard) {
+        navigator.clipboard.writeText(code.parentElement.textContent);
+      }
+    });
+  });
+})();

layouts/partials/docs/footer.html

@@ -23,3 +23,8 @@
   </div>
 {{ end }}
 </div>
+
+{{ $script := resources.Get "clipboard.js" | resources.Minify }}
+{{ with $script.Content }}
+  <script>{{ . | safeJS }}</script>
+{{ end }}