.

lib/index.js

@@ -20,6 +20,15 @@ const ttyStream = new stream.Readable()
 // @ts-expect-error: TS doesn’t understand but that’s how Node streams work.
 ttyStream.isTTY = true
 
+/**
+ * Exit, lazily, with the correct exit status code.
+ *
+ * @type {number | undefined}
+ */
+let exitCode
+
+process.on('exit', onexit)
+
 // Handle uncaught errors, such as from unexpected async behaviour.
 process.on('uncaughtException', fail)
 
@@ -107,7 +116,7 @@ export function args(options) {
       clean()
       fail(error)
     } else {
-      if (typeof code === 'number') process.exitCode = code
+      if (typeof code === 'number') exitCode = code
 
       if (state.args.watch && !watcher && context) {
         subscribe(context)
@@ -157,20 +166,17 @@ export function args(options) {
    * Handle a SIGINT.
    */
   function onsigint() {
-    console.log('n1')
     // Hide the `^C` in terminal.
     process.stderr.write('\n', noop)
-    console.log('n2')
 
     clean()
 
-    console.log('n3')
     // Do another process if `output` specified regeneration.
     if (output === true) {
-      console.log('n4')
       state.engine.output = output
       state.args.watch = false
       engine(state.engine, done)
+      onexit()
     }
   }
 }
@@ -184,10 +190,22 @@ export function args(options) {
  *   Nothing.
  */
 function fail(error) {
-  process.exitCode = 1
+  exitCode = 1
   process.stderr.write(String(error.stack || error).trimEnd() + '\n', noop)
 }
 
+/**
+ * Set `exitCode`.
+ *
+ * @returns {undefined}
+ *   Nothing.
+ */
+function onexit() {
+  // eslint-disable-next-line unicorn/no-process-exit
+  process.exit(exitCode)
+  // . process.exitCode = exitCode
+}
+
 /**
  * Do nothing.
  *

test/index.js

@@ -742,6 +742,15 @@ test('args', async function (t) {
         assert.equal(resolved, false)
         console.log('z2')
         proc.kill('SIGINT')
+        setTimeout(check, 500)
+      }
+
+      function check() {
+        if (!resolved) {
+          proc.kill()
+        }
+
+        assert.equal(resolved, true)
       }
     })
   })