fix: undo changes processStream()

interface.php

@@ -407,21 +407,41 @@ function handleKeydownUserPost(event){
 			}
 
 			const decodedData = new TextDecoder().decode(value);
-			console.log(decodedData);
+			//console.log(decodedData);
 			let chunks = decodedData.split("data: ");
 			chunks.forEach((chunk, index) => {
 				if(chunk.indexOf('finish_reason":"stop"') > 0) return false;
 				if(chunk.indexOf('DONE') > 0) return false;
 				if(chunk.indexOf('role') > 0) return false;
-				if(chunk.length == 0) return false;
-				if(chunk != "") console.log(JSON.parse(chunk)["choices"][0]["delta"])
-				console.log(JSON.parse(chunk)["choices"][0]["delta"]);
-				document.querySelector(".message:last-child").querySelector(".message-text").innerHTML +=  escapeHTML(JSON.parse(chunk)["choices"][0]["delta"].content);
+				if(chunk.length === 0) return false;
+				// First check if chunk is valid json.
+				// Otherwise we do not see the correct error message.
+				try {
+					const json = JSON.parse(chunk);
+					if ("choices" in json) {
+						// console.log(json["choices"]);
+						// normal response
+						document.querySelector(".message:last-child").querySelector(".message-text").innerHTML +=
+							json["choices"][0]["delta"].content;
+					} else {
+						if ("error" in json) {
+							if ("message" in json.error) {
+								// console.log(json.error.message);
+								document.querySelector(".message:last-child").querySelector(".message-text").innerHTML =
+									'<em>' + json.error.message + '</em>';
+							} else {
+								console.log(json.error);
+							}
+						} else {
+							console.log(json);
+						}
+					}
+				} catch(error) {
+					console.log(chunk);
+					console.error(error.message);
+				}
 			})
 
-			// Check if the content has code block
-			document.querySelector(".message:last-child").querySelector(".message-text").innerHTML = document.querySelector(".message:last-child").querySelector(".message-text").innerHTML.replace(/```([\s\S]+?)```/g, '<pre><code>$1</code></pre>').replace(/\*\*.*?\*\*/g, '');;
-			hljs.highlightAll();
 			scrollToLast();
 		}
 	}