test to show enquirer's sigint issue

test/sigint-enquirer-raw.js

@@ -0,0 +1,40 @@
+// https://github.com/enquirer/enquirer/issues/372
+import { prompt } from '../util.js';
+
+const handleSIGINT = () => process.on('SIGINT', () => { // e.g. when killed by Ctrl-C
+  console.log('\nInterrupted by SIGINT. Exit!');
+  process.exitCode = 130;
+});
+handleSIGINT();
+
+function onRawSIGINT(fn) {
+  const { stdin, stdout } = process;
+  stdin.setRawMode(true);
+  stdin.resume();
+  stdin.on('data', data => {
+    const key = data.toString('utf-8');
+    if (key === '\u0003') { // ctrl + c
+      fn();
+    } else {
+      stdout.write(key);
+    }
+  });
+}
+onRawSIGINT(() => {
+  console.log('raw'); process.exit(1);
+});
+
+console.log('hello');
+console.error('hello error');
+try {
+  let i = 'foo';
+  i = await prompt(); // SIGINT no longer handled if this is executed
+  // handleSIGINT();
+  console.log('value:', i);
+  setTimeout(() => console.log('timeout 3s'), 3000);
+} catch (e) {
+  process.exitCode ||= 1;
+  console.log('catch. exitCode:', process.exitCode);
+  console.error(e);
+}
+console.log('end. exitCode:', process.exitCode);

test/sigint-enquirer-simple.js

@@ -0,0 +1,15 @@
+// https://github.com/enquirer/enquirer/issues/372
+import Enquirer from 'enquirer';
+const enquirer = new Enquirer();
+
+let interrupted = false;
+process.on('SIGINT', () => {
+  if (interrupted) process.exit();
+  interrupted = true;
+  console.log('SIGINT');
+});
+await enquirer.prompt({
+  type: 'input',
+  name: 'username',
+  message: 'What is your username?',
+});