From cb68215f705ce5a60622a4a3b00932c96d86982f Mon Sep 17 00:00:00 2001
From: Steve Fisher <steve@timehero.com>
Date: Wed, 18 Apr 2018 10:28:30 -0400
Subject: [PATCH] Add option to trim whitespace from headers (#491)

Allow developers to trim leading/trailing spaces from headers
---
 papaparse.js        | 10 +++++++++-
 tests/test-cases.js |  9 +++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/papaparse.js b/papaparse.js
index c8b5efa..6506565 100755
--- a/papaparse.js
+++ b/papaparse.js
@@ -990,7 +990,15 @@
 				return;
 			for (var i = 0; needsHeaderRow() && i < _results.data.length; i++)
 				for (var j = 0; j < _results.data[i].length; j++)
-					_fields.push(_results.data[i][j]);
+				{
+					var header = _results.data[i][j];
+
+					if (_config.trimHeaders) {
+						header = header.trim();
+					}
+
+					_fields.push(header);
+				}
 			_results.data.splice(0, 1);
 		}
 
diff --git a/tests/test-cases.js b/tests/test-cases.js
index 109a3b3..fc21635 100644
--- a/tests/test-cases.js
+++ b/tests/test-cases.js
@@ -713,6 +713,15 @@ var PARSE_TESTS = [
 			errors: []
 		}
 	},
+	{
+		description: "Header row with whitespace trimmed",
+		input: '  A , B  ,  C  \r\na,b,c',
+		config: { header: true, trimHeaders: true },
+		expected: {
+			data: [{"A": "a", "B": "b", "C": "c"}],
+			errors: []
+		}
+	},
 	{
 		description: "Tab delimiter",
 		input: 'a\tb\tc\r\nd\te\tf',