From 59e475ee6ec3c89d24c57e80cd5bcb9ed1875593 Mon Sep 17 00:00:00 2001
From: Adi Roiban <adi.roiban@chevah.com>
Date: Fri, 8 Jun 2018 17:35:54 +0100
Subject: [PATCH] Allow multi-characters delimtier at serialization.

---
 papaparse.js        | 5 +++--
 tests/test-cases.js | 6 ++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/papaparse.js b/papaparse.js
index 8106e8d..6887f99 100755
--- a/papaparse.js
+++ b/papaparse.js
@@ -326,9 +326,10 @@
 				return;
 
 			if (typeof _config.delimiter === 'string'
-				&& _config.delimiter.length === 1
-				&& Papa.BAD_DELIMITERS.indexOf(_config.delimiter) === -1)
+                && !Papa.BAD_DELIMITERS.filter(function(value) { return _config.delimiter.includes(value); }).length)
 			{
+				// We have a string as config and it does not contains any
+				// of the invalid delimiters.
 				_delimiter = _config.delimiter;
 			}
 
diff --git a/tests/test-cases.js b/tests/test-cases.js
index b7f55ef..ad0d9a5 100644
--- a/tests/test-cases.js
+++ b/tests/test-cases.js
@@ -1396,6 +1396,12 @@ var UNPARSE_TESTS = [
 		config: { delimiter: RECORD_SEP },
 		expected: 'a' + RECORD_SEP + 'b' + RECORD_SEP + 'c\r\nd' + RECORD_SEP + 'e' + RECORD_SEP + 'f'
 	},
+	{
+		description: "Custom delimiter (Multi-character)",
+		input: [['A', 'b', 'c'], ['d', 'e', 'f']],
+		config: { delimiter: ', ' },
+		expected: 'A, b, c\r\nd, e, f'
+	},
 	{
 		description: "Bad delimiter (\\n)",
 		notes: "Should default to comma",