Improved code copy behaviour

private/pages/interface.php

@@ -612,6 +612,30 @@ function CopyContentToClipboard(target) {
 				table.parentNode.replaceChild(textNode, table);
 			});
 
+			// Remove code language from copy content
+			if(clone.tagName === "CODE") {
+				const firstChildNode = clone.firstChild;
+				const lastChildNode = clone.lastChild;
+
+				if(firstChildNode && firstChildNode.nodeName === "#text") {
+					// Remove the first node, as it contains the code language
+					// It is possible that the code language is followed by actual code, so check for that
+					if(firstChildNode.textContent.includes("\n")) {
+						firstChildNode.textContent = firstChildNode.textContent.split("\n")[1];
+					} else {
+						clone.removeChild(firstChildNode);
+					}
+				}
+
+				if (lastChildNode && lastChildNode.nodeName === "#text") {
+					// In some cases, there might be markdown content at the end of the code block due to formatting errors
+					const re = "\n?```"
+					if(lastChildNode.textContent.match(re)) {
+						lastChildNode.textContent = lastChildNode.textContent.replace("\n```", "");
+					}
+				}
+			}
+
 
 		// Get the text content of the modified clone
 		const msgTxt = clone.textContent.trim();