repl: refactor repl.js

There is some unnecessary logic in repl.js. Remove it.

PR-URL: https://github.com/nodejs/node/pull/6071
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/test/parallel/test-repl-null.js b/test/parallel/test-repl-null.js
new file mode 100644
index 0000000000..337e194447
--- /dev/null
+++ b/test/parallel/test-repl-null.js
@@ -0,0 +1,17 @@
+'use strict';
+require('../common');
+const repl = require('repl');
+const assert = require('assert');
+
+var replserver = new repl.REPLServer();
+
+replserver._inTemplateLiteral = true;
+
+// `null` gets treated like an empty string. (Should it? You have to do some
+// strange business to get it into the REPL. Maybe it should really throw?)
+
+assert.doesNotThrow(() => {
+  replserver.emit('line', null);
+});
+
+replserver.emit('line', '.exit');