1 files changed, 76 insertions, 0 deletions
diff --git a/static/js/codecopy.js b/static/js/codecopy.js
new file mode 100644
index 0000000..c1f3a75
--- /dev/null
+++ b/static/js/codecopy.js
@@ -0,0 +1,76 @@
+// https://aaronluna.dev/blog/add-copy-button-to-code-blocks-hugo-chroma/
+// Further modified for Zola by Jieiku: https://github.com/Jieiku
+(function() {
+  // create copy button
+  function ccb(highlightDiv) {
+    const button = document.createElement("button");
+    button.className = "cc ";
+    button.type = "button";
+    button.innerHTML = "Copy";
+    button.addEventListener("click", () =>
+      ccc(button, highlightDiv)
+    );
+
+    // addCopyButtonToDom
+    const wrapper = document.createElement("div");
+    wrapper.className = "ccw";
+    wrapper.appendChild(button);
+    highlightDiv.parentNode.insertBefore(wrapper, highlightDiv);
+    wrapper.appendChild(highlightDiv);
+  }
+
+  // copy code clipboard
+  async function ccc(button, highlightDiv) {
+    //look for table, if so do it different
+    const { length } = highlightDiv.querySelectorAll("table");
+    let codeToCopy = "";
+    if (length > 0) {
+      const items = highlightDiv.querySelectorAll(":last-child > tr > td:last-child");
+      items.forEach(item => {
+        codeToCopy = codeToCopy + item.innerText;
+        //console.log(codeToCopy);
+      });
+    } else {
+      codeToCopy = highlightDiv.querySelector(":last-child > code").innerText;
+    }
+    try {
+      result = await navigator.permissions.query({ name: "clipboard-write" });
+      if (result.state == "granted" || result.state == "prompt") {
+        await navigator.clipboard.writeText(codeToCopy);
+      } else {
+        cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
+      }
+    } catch (_) {
+      cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
+    } finally {
+      //codeWasCopied
+      //button.blur();
+      button.innerHTML = "Copied";
+      setTimeout(function () {
+        button.innerHTML = "Copy";
+      }, 2000);
+    }
+  }
+
+  //copyCodeBlockExecCommand
+  function cce(codeToCopy, highlightDiv) {
+    const textArea = document.createElement("textArea");
+    textArea.contentEditable = "true";
+    textArea.readOnly = "false";
+    textArea.className = "copyable-text-area";
+    textArea.value = codeToCopy;
+    highlightDiv.insertBefore(textArea, highlightDiv.firstChild);
+    const range = document.createRange();
+    range.selectNodeContents(textArea);
+    const sel = window.getSelection();
+    sel.removeAllRanges();
+    sel.addRange(range);
+    textArea.setSelectionRange(0, 999999);
+    document.execCommand("copy");
+    highlightDiv.removeChild(textArea);
+  }
+
+  document
+    .querySelectorAll("pre")
+    .forEach((highlightDiv) => ccb(highlightDiv));
+})();
+\ No newline at end of file