Only load copy-and-paste helper on pages that use it

This change helps improve load times for key non-documentation pages such as https://kubernetes.io/
2020-09-29 18:27:45 +01:00
parent e2233f570a
commit 735410f17b
5 changed files with 44 additions and 72 deletions
@@ -0,0 +1,44 @@
+{{ with .Site.Params.algolia_docsearch }}
+<!-- scripts for algolia docsearch -->
+{{ end }}
+{{/* copy-and-paste helper for codenew shortcode */}}
+{{- if .HasShortcode "codenew" -}}
+<script async src="{{ "js/sweetalert-2.1.2.min.js" | relURL }}"></script>
+<script type="text/javascript">
+function copyCode(elem){
+  if (document.getElementById(elem)) {
+    // create hidden text element, if it doesn't already exist
+    var targetId = "_hiddenCopyText_";
+    // must use a temporary form element for the selection and copy
+    target = document.getElementById(targetId);
+    if (!target) {
+      var target = document.createElement("textarea");
+      target.style.position = "absolute";
+      target.style.left = "-9999px";
+      target.style.top = "0";
+      target.id = targetId;
+      document.body.appendChild(target);
+    }
+    target.value = document.getElementById(elem).innerText;
+    // select the content
+    target.select();
+
+    // copy the selection
+    var succeed;
+    try {
+        succeed = document.execCommand("copy");
+    } catch(e) {
+        swal("Oh, no…","Sorry, your browser doesn't support copying this example to your clipboard.");
+        succeed = false;
+    }
+    if (succeed) {
+      swal("Copied to clipboard: ",elem);
+      return succeed;
+    } else {
+      swal("Oops!", elem + " not found when trying to copy code");
+      return false;
+    }
+  }
+}
+</script>
+{{- end -}}