commit initial 09-12-2025 022

src/App.js

@@ -242,7 +242,58 @@ function codeNeedsInput(code, langId) {
     return false;
   }
 }
+// ----------------------
+// Call this whenever a new terminal line arrives (from xterm onData)
+// It appends the line to accumulated stdin and re-runs the current file.
+// Uses a local variable for stdin to avoid setState races.
+// ----------------------
+const runCodeWithUpdatedInput = async (inputLine) => {
+  // echo the line in terminal UI
+  appendTerminal(`> ${inputLine}`);
+
+  // build new accumulated stdin locally (so we can use it immediately)
+  const newAccum = (accumStdin || "") + inputLine + "\n";
+  // update state so further interactions know about it
+  setAccumStdin(newAccum);
 
+  // get current file node
+  const node = getNodeByPath(tree, activePath);
+  if (!node || node.type !== "file") {
+    appendTerminal("[Error] No file selected to run.");
+    setAwaitingInput(false);
+    return;
+  }
+
+  const selectedLang = LANGUAGE_OPTIONS.find((l) => node.name.endsWith(l.ext))?.id;
+  if (!selectedLang || !RUNNABLE_LANGS.includes(selectedLang)) {
+    appendTerminal(`[Error] Run not supported for ${node.name}`);
+    setAwaitingInput(false);
+    return;
+  }
+
+  // run immediately with local stdin (newAccum)
+  setIsRunning(true);
+  try {
+    const res = await runCode(node.content, selectedLang, newAccum);
+    const out = res.output ?? "";
+    setOutput(out);
+    appendTerminal(out);
+    setProblems(res.error ? parseProblems(res.output) : []);
+
+    // if output indicates program needs more input, keep awaitingInput true
+    if (outputLooksForInput(out)) {
+      setAwaitingInput(true);
+    } else {
+      setAwaitingInput(false);
+    }
+  } catch (err) {
+    const errText = String(err);
+    appendTerminal(errText);
+    setAwaitingInput(false);
+  } finally {
+    setIsRunning(false);
+  }
+};
   const handleRun = async () => {
   const node = getNodeByPath(tree, activePath);
   if (!node || node.type !== "file") {
@@ -536,16 +587,12 @@ function codeNeedsInput(code, langId) {
           {/* Bottom panels */}
           <div className="ide-panels">
             {/* Terminal output */}
-           <XTerm
+      <XTerm
   output={output}
   onData={(userInputLine) => {
-    // Send each line to backend dynamically
-    setAccumStdin((prev) => prev + userInputLine + "\n");
-
-    // If waiting for next input, resume execution or re-run code
-    if (awaitingInput) {
-      runCodeWithUpdatedInput();
-    }
+    // previously you called setAccumStdin(...) or undefined runCodeWithUpdatedInput
+    // Now call the defined function:
+    runCodeWithUpdatedInput(userInputLine);
   }}
 />