code interpreter: support variadic console.log (#3371)

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

gpt4all-chat/CHANGELOG.md

@@ -5,7 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
+
+## Fixed
 - Fix the timeout error in code interpreter ([#3369](https://github.com/nomic-ai/gpt4all/pull/3369))
+- Fix code interpreter console.log not accepting multiple arguments ([#3371](https://github.com/nomic-ai/gpt4all/pull/3371))
 
 ## [3.6.1] - 2024-12-20
 

gpt4all-chat/src/codeinterpreter.cpp

@@ -5,6 +5,9 @@
 #include <QThread>
 #include <QVariant>
 
+using namespace Qt::Literals::StringLiterals;
+
+
 QString CodeInterpreter::run(const QList<ToolParam> &params, qint64 timeout)
 {
     m_error = ToolEnums::Error::NoError;
@@ -92,7 +95,25 @@ CodeInterpreterWorker::CodeInterpreterWorker()
 void CodeInterpreterWorker::request(const QString &code)
 {
     JavaScriptConsoleCapture consoleCapture;
-    QJSValue consoleObject = m_engine.newQObject(&consoleCapture);
+    QJSValue consoleInternalObject = m_engine.newQObject(&consoleCapture);
+    m_engine.globalObject().setProperty("console_internal", consoleInternalObject);
+
+    // preprocess console.log args in JS since Q_INVOKE doesn't support varargs
+    auto consoleObject = m_engine.evaluate(uR"(
+        class Console {
+            log(...args) {
+                if (args.length && typeof args[0] === 'string')
+                    throw new Error('console.log string formatting not supported');
+                let cat = '';
+                for (const arg of args) {
+                    cat += String(arg);
+                }
+                console_internal.log(cat);
+            }
+        }
+
+        new Console();
+    )"_s);
     m_engine.globalObject().setProperty("console", consoleObject);
 
     const QJSValue result = m_engine.evaluate(code);