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Add completer to ensure rStart is passed after pty init #458

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merged 1 commit into from
Sep 23, 2024
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Add completer to ensure rStart is passed after pty init #458

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15 changes: 14 additions & 1 deletion lib/r/start.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@

library;

import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
Expand Down Expand Up @@ -99,7 +100,19 @@ void rStart(BuildContext context, WidgetRef ref) async {
// startup. Seems to have a slight delay on Linux with a all black
// screen. Let's see what it does on Windows.

await Future(() {
await Future(() async {

// Create a Completer to ensure pty is ready before writing to it.
Completer<void> ptyReadyCompleter = Completer<void>();

// Mark the pty as ready after it has been initialized.
ref.read(ptyProvider).exitCode.then((_) {
ptyReadyCompleter.complete();
});

// extra delay
const duration = Duration(seconds: 1);
await Future.delayed(duration);
// Add the code to the script.

updateScript(ref, code);
Expand Down