nodejs
diff --git a/‎lib/repl.js‎
Lines changed: 5 additions & 2 deletions b/‎lib/repl.js‎
Lines changed: 5 additions & 2 deletions
diff --git a/‎test/parallel/test-repl-uncaught-exception-evalcallback.js‎
Lines changed: 23 additions & 0 deletions b/‎test/parallel/test-repl-uncaught-exception-evalcallback.js‎
Lines changed: 23 additions & 0 deletions
@@ -889,8 +889,11 @@ function REPLServer(prompt,
         self.output.write(self.writer(ret) + '\n');
       }
 
-      // Display prompt again
-      self.displayPrompt();
+      // Display prompt again (unless we already did by emitting the 'error'
+      // event on the domain instance).
+      if (!e) {
+        self.displayPrompt();
+      }
     }
   });
 
 
@@ -0,0 +1,23 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const repl = require('repl');
+const { PassThrough } = require('stream');
+const input = new PassThrough();
+const output = new PassThrough();
+
+const r = repl.start({
+  input, output,
+  eval: common.mustCall((code, context, filename, cb) => {
+    r.setPrompt('prompt! ');
+    cb(new Error('err'));
+  })
+});
+
+input.end('foo\n');
+
+// The output includes exactly one post-error prompt.
+const out = output.read().toString();
+assert.match(out, /prompt!/);
+assert.doesNotMatch(out, /prompt![\S\s]*prompt!/);
+output.on('data', common.mustNotCall());
Original file line number	Diff line number	Diff line change
@@ -889,8 +889,11 @@ function REPLServer(prompt,
889	889	self.output.write(self.writer(ret) + '\n');
890	890	}
891	891
892		- // Display prompt again
893		- self.displayPrompt();
	892	+ // Display prompt again (unless we already did by emitting the 'error'
	893	+ // event on the domain instance).
	894	+ if (!e) {
	895	+ self.displayPrompt();
	896	+ }
894	897	}
895	898	});
896	899